Wheels

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original Equipment replacement Bontrager TLR Disc wheels - Bontrager Approved double wall, non-eyeletted rims - Convert to tubeless with TLR rim strip and valve, sold separately - Black spoke nipples - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Upgrade or refresh your Bontrager wheels. Genuine replacement parts Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. - Replacement freehub body - Compatible with Bontrager Rapid Drive 108 hubs - Pawls and springs sold separately - Requires Micro Spline specific end cap

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Affinity TLR rim brake wheels - QR hubs, 130mm rear OLD, Shimano 8/9/10-speed road freehub - Alloy double-wall rim with 21mm internal, 26mm external width - Convert to tubeless with TLR rim strip and valve, sold separately - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Upgrade or refresh your Bontrager wheels. Genuine replacement parts Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. - Replacement parts for Bontrager hubs using the DT 240 platform - Compatible with all Bontrager wheels with DT 240 hub internals - For use with Shimano MICRO SPLINE cassettes - Includes 12mm thru-axle end cap

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Affinity TLR Disc 28H wheels - 100x12mm front, 142x12mm, Centerlock disc, Shimano 11-speed road freehub - Alloy double-wall rim with 21mm internal, 26mm external width - Convert to tubeless with TLR rim strip and valve, sold separately - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Kovee TLR 32H Hole wheel - Convert to tubeless with TLR rim strip and valve, sold separately - Durable alloy symmetric rim with 22.5mm internal 27mm external width - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Kovee TLR 28H Hole wheels - Convert to tubeless with TLR rim strip and valve, sold separately - Durable alloy symmetric rim with 22.5mm internal 27mm external width - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Kovee TLR 32H Hole wheels - Convert to tubeless with TLR rim strip and valve, sold separately - Durable alloy symmetric rim with 22.5mm internal 27mm external width - Boost141 rear wheel spacing provides a wider bracing angle to increase stiffness - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Upgrade or refresh your bike. GENUINE REPLACEMENT PARTS When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original equipment replacement for Bontrager Kovee TLR wheel - Convert to tubeless with TLR rim strip and valve, sold separately - Durable alloy symmetric rim with 22.5mm internal 27mm external width - Double wall alloy rim (27mm outer, 22.5mm inner width) - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

The Paradigm Comp Disc Road wheel offers consistent, confident braking and fast-rolling performance. A wider inner rim width delivers better tire support and adds volume, letting you run lower pressure for more traction and a smoother, faster ride. It's updated with a proven Tubeless Ready (TLR) profile for easy tubeless conversion, and interchangeable axles allow for maximum compatibility. - Wider 21mm inner rim width offers better tire support for added traction and speed - Tubeless Ready (TLR) rims allow for a quick, easy transition to tubeless system - Interchangeable axles allow for compatibility with more frames and forks - Lightweight, durable alloy rim (26mm outer, 21mm inner width) - Shimano 10/11spd, SRAM 10/11, Centerlock, additional freehubs available - Durable, smooth-rolling hubs with lasting performance - Includes Bontrager TLR rim strip, tube-type rim strip, and TLR valve stem - No rider weight restrictions

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Kovee TLR 28H Hole wheels - Convert to tubeless with TLR rim strip and valve, sold separately - Durable alloy symmetric rim with 22.5mm internal 27mm external width - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Fun is fast, fast is fun Kovee Comp 25 is a modern XC mountain bike wheel that delivers a great balance of ride quality, durability, and value, complete with a modern 25mm inner width, durable alloy rims, and a quality Rapid Drive 108 hub. Product details - Alloy rim with 25mm inner width, 30mm outer width, and 10mm depth - Shallow profile adds compliance and 25mm rim width increases tire support - Rapid Drive 108 XC j-bend hub with splined driver ring offers 108 points of engagement - Tubeless ready rim comes with TLR rim strip and valve pre-installed for easy setup - Boost 110/148, 28 spoke front and rear with Grand Forza spokes and nipples (14/14) - 6-bolt disc with SRAM XD driver, additional freehubs available - No rider weight limit Features: Confident tire support Modern rim profile with 25mm inner width offers great tire support for traction and confidence in the corners and across technical terrain. Better together Bontrager offers a complete tubeless system including wheels, tires, sealant, valves, and rim strips. Every part of this setup is designed to work smoothly together and offer top-of-the-line performance. Rapid Drive 108 XC Rapid Drive 108 XC hubs save weight and offer 108 points of engagement for quick acceleration and confident pedaling through technical sections.

Line Comp 30 is a durable alloy mountain wheel built on wider rims for better tire support. With more support, you can run lower tire pressure for better traction, more control, and a smoother ride. This trail-tough wheel stands up to hard hits, has a proven Tubeless Ready (TLR) design, and includes a 108-tooth Bontrager Rapid Drive hub for quick engagement, fast acceleration, and long-lasting performance. - Rapid Drive 108, j-bend hub instantly transfers effort into forward momentum - Updated rim design and stronger G609 alloy stands up to hard hits - Tubeless Ready (TLR) rims allow for a quick, easy transition to tubeless system - Wider Boost 110/148 hub flanges enhance bracing angle for stiffer wheel - Durable G609 alloy rim with 29mm internal, 33mm external width, 28 hole front/rear - 14G spokes with brass locking nipples - 6 bolt disc, SRAM XD driver, Shimano 10/11 speed available separately - Includes TLR rim strip installed and TLR valve

The Paradigm Comp Disc Road wheel offers consistent, confident braking and fast-rolling performance. A wider inner rim width delivers better tire support and adds volume, letting you run lower pressure for more traction and a smoother, faster ride. It's updated with a proven Tubeless Ready (TLR) profile for easy tubeless conversion, and interchangeable axles allow for maximum compatibility. - Wider 21mm inner rim width offers better tire support for added traction and speed - Tubeless Ready (TLR) rims allow for a quick, easy transition to tubeless system - Interchangeable axles allow for compatibility with more frames and forks - Lightweight, durable alloy rim (26mm outer, 21mm inner width) - Shimano 10/11spd, SRAM 10/11, Centerlock, additional freehubs available - Durable, smooth-rolling hubs with lasting performance - Includes Bontrager TLR rim strip, tube-type rim strip, and TLR valve stem - No rider weight restrictions

Full-carbon, 50mm deep tubeless-ready disc brake wheel that perfectly balances durability, weight, and aerodynamics. Proven, tested design for the perfect upgrade There has never been a better time to upgrade to the feel and performance of carbon wheels. Aeolus Pro 5 TLR is a full carbon, tubeless-ready disc brake road wheel that balances durability, weight, and aerodynamics for pro-level performance that doesn’t break the bank. We started with a proven 50mm-depth shape and added the versatility of disc brake hubs to make a carbon road wheel available to all. Product details - D3 Dual Directional Design profile cuts drag at tire-leading and rim-leading edge - OCLV Pro carbon offers an optimized blend of weight, stiffness, and durability - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - Stacked lacing alignment provides a better spoke bracing angle for a stiffer wheel - 50mm depth OCLV Carbon rim (27mm outer, 19.5mm inner width) DT Aerolite spokes and Alpina locking nipples - Center lock disc hubs with 12mm thru-axle front and rear, Bontrager 24 point engagement, 3 pawl hub - Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs, axle swap kit available for quick release and 15mm - Includes TLR rim strip, TLR valve, valve core removal tool, and traditional rim strip

A high-value, high-performance, full-carbon disc brake road wheel packed with all of the aero and performance benefits of a 35mm carbon rim. Wheels for free speed Unlock the speed and performance of a carbon wheel upgrade with Aeolus Elite 35 TLR. This full carbon, tubeless-ready, disc brake road wheel balances durability, weight, and aerodynamics for outstanding performance that doesn't break the bank. A proven shape with a 35mm depth and the added versatility of disc brake hubs make this the perfect high-performance, high-value carbon road wheel. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of carbon care. If you damage your wheels while riding in the first two years of ownership, we'll replace them. It’s that easy. Product details - OCLV carbon offers an optimized blend of weight, strength, and durability - D3 Dual Directional Design profile cuts drag at tire-leading and rim-leading edge - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - 35mm depth OCLV Carbon rim (27mm outer, 19.5mm inner width) Grand Strada spokes 24/24, hex alloy nipples - Center lock disc hubs with 12mm thru-axle front and rear, Bontrager 24 point engagement, 3-pawl hub - Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs, 12sp available separately - Includes TLR rim strip, TLR valve, and traditional rim strip - Warrantied for life, no rider weight limit

A strong, durable, OCLV Carbon MTB wheel with best-in-class impact strength, durability, and resistance to pinch flats. Warrantied for life This durable carbon mountain bike wheelset keeps the good times rolling. It delivers performance on any trail and durability against any rocks you can't avoid. Line Elite 30's robust rim profile delivers best-in-class strength and durability and resists pinch flats. Plus, simple tubeless setup makes it easy to run lower pressure for more confidence and a smoother, faster ride. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If your wheel sustains damage from riding within two years of ownership, we'll replace them. It’s that easy. Product details - OCLV carbon offers an optimized blend of weight, strength, and durability - Rim profile and hook bead design adds impact strength and helps prevent pinch flats - Rapid Drive 108 hub with 3.3 degrees of engagement for quick, confident energy transfer - Tubeless-ready (TLR) rims allow for quick upgrades to tubeless - Boost 110/148, 28 front/rear Grand Forza 14/15G spokes with Alloy hex nipples - 29mm internal, 38mm external width, 28 hole front/rear - 6 bolt disc, SRAM XD: Shimano 10/11 and MicroSpline driver available separately - Warrantied for life, no rider weight limit

Admit it—your bike would be a whole lot sweeter if you were riding carbon. Enter the Kovee Elite 30 wheelset. Designed with the XC and trail rider in mind, these Boost-width wheels feature OCLV Carbon rims with a 29mm inner width and will shave weight and add stiffness to your ride. - OCLV Pro carbon offers an optimized blend of weight, strength, and durability - Rapid Drive 54 hub instantly transfers effort into forward momentum - Tubeless-ready (TLR) rims allow for quick upgrades to tubeless - Ultra-durable OCLV Carbon rim with 29mm internal, 36mm external width - Carbon Care Wheel Loyalty Program offers no-cost repair/replacement for the first two years of ownership - 28 front/rear 14G spokes with Alpina alloy locking nipples - 6 bolt disc, Shimano 10/11 speed, SRAM XD driver available separately - Includes TLR rim strip installed, TLR valve, valve core removal tool

A strong, durable, OCLV Carbon MTB wheel with best-in-class impact strength, durability, and resistance to pinch flats. Warrantied for life This durable carbon mountain bike wheelset keeps the good times rolling. It delivers performance on any trail and durability against any rocks you can't avoid. Line Elite 30's robust rim profile delivers best-in-class strength and durability and resists pinch flats. Plus, simple tubeless setup makes it easy to run lower pressure for more confidence and a smoother, faster ride. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If your wheel sustains damage from riding within two years of ownership, we'll replace them. It’s that easy. Product details - OCLV carbon offers an optimized blend of weight, strength, and durability - Rim profile and hook bead design adds impact strength and helps prevent pinch flats - Rapid Drive 108 hub with 3.3 degrees of engagement for quick, confident energy transfer - Tubeless-ready (TLR) rims allow for quick upgrades to tubeless - Boost 110/148, 28 front/rear Grand Forza 14/15G spokes with Alloy hex nipples - 29mm internal, 38mm external width, 28 hole front/rear - 6 bolt disc, SRAM XD: Shimano 10/11 and MicroSpline driver available separately - Warrantied for life, no rider weight limit

There has never been a better time to upgrade to the feel and performance of carbon wheels. Aeolus Pro 3 TLR is a full carbon, tubeless-ready rim brake road wheel that balances durability, weight, and aerodynamics for pro-level performance that doesn’t break the bank. We started with a proven 35mm-depth shape and added a confidence-inspiring brake track to make a carbon road wheel available to all. Key features - D3 Dual Directional Design profile cuts drag at tire-leading and rim-leading edge - OCLV Pro carbon offers an optimized blend of weight, strength, and durability - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - Confidence inspiring brake track increases stopping power while dissipating heat - 35mm depth OCLV Carbon rim (27mm outer, 19.5mm inner width) DT Aerolite spokes and Alpina locking nipples - Quick release hubs, Bontrager 24 point engagement, 3 pawl hub - Compatible with Shimano 10/11 speed, SRAM 10/11 freehubs - Includes TLR rim strip, TLR valve, valve core removal tool, Black Prince carbon pads, and traditional rim strip

A carbon road wheel with a 51mm depth that pairs our latest rim profile with Pro-level pricing to deliver an easy upgrade in speed, weight, and stability. Fast and lightweight The versatile Aeolus Pro 51 delivers the latest Aeolus rim profiles for unmatched speed and stability performance at Pro-level prices. The strong, lightweight Pro-level OCLV Carbon allows for faster, more stable rim profiles. These Tubeless Ready rims feature a wider 23mm inner width that's proven to roll with less drag, adding to the overall speed gains. Silky-smooth hubs rolling on DT Swiss 350 internals deliver a fast and quick-rolling ride. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If you structurally damage your wheels while riding in the first two years of ownership, we'll replace them. It's that easy. Product details - Pro OCLV carbon offers an optimized blend of weight, strength, and durability - 51mm depth rim profile born of 3D design modeling for our fastest, most stable design ever - 23mm inner width proven to roll smoother with less drag for a faster wheel and tire system - Tubeless Ready (TLR) rims allow for quick transition to a tubeless system - 51mm depth OCLV Carbon rim (30mm outer, 23mm inner width), DT Aerolite spokes 24/24, DT Pro Lock nipples - Smooth and reliable DT Swiss 350 hubs with 18-point engagement, SRAM/Shimano 10/11 freehubs, 12sp available - Centerlock disc hubs with 12mm thru-axle front and rear, axle swap available for QR and 15mm - Includes TLR rim strip, TLR valve, and traditional rim strip

A carbon road wheel with a 51mm depth that pairs our latest rim profile with Pro-level pricing to deliver an easy upgrade in speed, weight, and stability. Fast and lightweight The versatile Aeolus Pro 51 delivers the latest Aeolus rim profiles for unmatched speed and stability performance at Pro-level prices. The strong, lightweight Pro-level OCLV Carbon allows for faster, more stable rim profiles. These Tubeless Ready rims feature a wider 23mm inner width that's proven to roll with less drag, adding to the overall speed gains. Silky-smooth hubs rolling on DT Swiss 350 internals deliver a fast and quick-rolling ride. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If you structurally damage your wheels while riding in the first two years of ownership, we'll replace them. It's that easy. Product details - Pro OCLV carbon offers an optimized blend of weight, strength, and durability - 51mm depth rim profile born of 3D design modeling for our fastest, most stable design ever - 23mm inner width proven to roll smoother with less drag for a faster wheel and tire system - Tubeless Ready (TLR) rims allow for quick transition to a tubeless system - 51mm depth OCLV Carbon rim (30mm outer, 23mm inner width), DT Aerolite spokes 24/24, DT Pro Lock nipples - Smooth and reliable DT Swiss 350 hubs with 18-point engagement, SRAM/Shimano 10/11 freehubs, 12sp available - Centerlock disc hubs with 12mm thru-axle front and rear, axle swap available for QR and 15mm - Includes TLR rim strip, TLR valve, and traditional rim strip

An ultralight 37mm depth carbon road wheel that delivers speed and stability on climbs, crits, classics, and more. The ultimate road wheel Faster. Lighter. More stable. The ultralight Aeolus RSL 37 is the ultimate carbon road wheel for climbs, crits, and classics. RSL-level OCLV Carbon is lighter and stronger, allowing for a faster, more stable 37mm rim profile that is lighter than shallower wheels and faster than deeper wheels. Ultralight hubs with DT Swiss 240s internals and a Ratchet EXP 36-freehub keep everything rolling smooth. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of carbon care. If you damage your wheels while riding in the first two years of ownership, we'll replace them. It’s that easy. Product details - OCLV RSL Carbon is lighter and stronger, and allows for faster, more stable rim profiles - RSL optimized 37mm depth provides leading speed, stability, and weight - Tubeless Ready (TLR) rims allow for quick transition to tubeless system - 37mm depth OCLV Carbon rim (28mm outer) DT Aerolite spokes 24/24, DT ProLock nipples - Smooth rolling, ultralight DT Swiss 240s internals - Center lock disc hubs with 12mm thru-axle front and rear, axle swap available for front QR and rear 15mm - Includes TLR rim strip, TLR valve, and traditional rim strip

Bontrager's marquee lightweight carbon road wheel in a 51mm depth, designed for the ultimate in speed, stability, and confidence in all conditions. Be the fastest you The ultralight Aeolus RSL 51 is the perfect upgrade for a faster you. Created with Bontrager's all-new three-dimensional modeling design process, the all-new Aeolus RSL delivers a step-change in speed without sacrificing stability. It's built with the lightest RSL-level OCLV Carbon, shaped into a new 51mm rim profile for the ultimate in speed and versatility across all conditions. Tubeless Ready rims with a wider 23mm inner width are proven to roll with less drag, adding to the overall speed gains, while ultralight hubs with DT Swiss 240s internals and a Ratchet EXP 36-point freehub keep your ride smooth. All Bontrager carbon wheels are warrantied for life for the original purchaser and come with the added protection of Carbon Care. If you structurally damage your wheels while riding in the first two years of ownership, we'll replace them. It's that easy. Product details - RSL OCLV Carbon is lighter and stronger, allowing for faster, more stable rim profiles - 51mm depth rim profile born of 3D design modeling for our fastest, most stable design ever - 23mm inner width proven to roll smoother with less drag for a faster wheel and tire system - Tubeless Ready (TLR) rims compatible with both Bontrager TLR rim strips and TLR tape - 51mm depth OCLV Carbon rim (30mm outer) DT Aerolite spokes 24/24, DT ProLock nipples - Ultralight DT Swiss 240s internals with Ratchet EXP 36-point engagement 11sp freehub, 12s freehubs sold separately - Centerlock disc hubs with 12mm thru-axle front and rear, axle swap available for QR and 15mm - Includes TLR rim strip, TLR valve, and traditional rim strip

SHAMAL Carbon Disc Brake wheels are a renewed icon that maintains its blazing, indefatigable soul, like the wind from which it takes its name. The wide rim channel makes this wheel a complete all-rounder for road or gravel use on long biking adventures. - Carbon rim with unidirectional finish and a differentiated front/rear profile, modern rounded profile, new aluminum hubs, cup-and-cone bearing system - 21 mm internal rim width supports multiple tire sizes and uses - 2-Way Fit profile allows for both clincher and tubeless tires - Black aluminum monolithic disc hub with cup-and-cone bearings Specifications: - Hub/Brake Compatibility: Center-Lock Disc - Wheel Size: 700c - ISO Diameter: 622 / road / 29" - Rim Width (Internal): 21mm - Tire Type: Tubeless Ready Clincher

Campagnolo BORA WTO 33 Front Wheels. Each component of these wheel has been optimized in the wind tunnel in order to improve aerodynamic performance. The wheel features carbon rims with a unidirectional aerodynamic finish, new aerodynamic aluminum hubs, and the ceramic USB cup-and-cone bearing system: every design choice has been made with a view to optimizing performance. The profile of the rim, which has an internal width of 19mm, corresponds perfectly with 23 mm, 25 mm and 28 mm tires. In addition, with the 2-Way Fit version, Campagnolo offers its tried-and-tested technology with full compatibility with clincher and tubeless tires. - Hub/Brake Compatibility: Center-Lock Disc - USB cup-and-cone bearing system - Wheel Size: 700c - ISO Diameter: 622 / road / 29" - Tire Type: Clincher, Tubeless Ready Clincher

The design of the rim enables maximum aerodynamic penetration, and at certain angles, the wind can actually become a valuable ally to the rider. Aerodynamic hubs and ceramic USB cup-and-cone bearing system in the hubs themselves: every design choice has been made with a view to optimizing performance. - USB cup-and-cone bearing system guarantees smoothness in the ceramic bearings - The 2-Way Fit profile allows you to mount either a clincher or a tubeless tire - 19mm inner width enables you to mount 23, 25 and 28mm tires Specifications: - Hub/Brake Compatibility: Rim Brake - ISO Diameter: 622 / road / 29" - Tire Type: Tubeless Ready Clincher

Campagnolo's aerodynamic Bora WTO Disc Brake wheel with a 45mm profile is designed to appeal to a broader customer base. The design of the rim enables maximum aerodynamic penetration, and at certain angles, the wind can actually become a valuable ally to the rider. The wheel features carbon rims with a unidirectional aerodynamic finish, aerodynamic aluminum hubs, and the ceramic USB cup-and-cone bearing system: every design choice has been made with a view to optimizing performance. - 24-spoke elliptical cross section results in a superior rolling resistance Specifications: - Hub/Brake Compatibility: Center-Lock Disc - Cassette Body Type: Shimano/SRAM 11 Speed Road - Wheel Size: 700c - ISO Diameter: 622 / road / 29" - Tire Type: Tubeless Ready Clincher

Choose to ride even faster by using CeramicSpeed Hub Bearings in your wheels. The DT Swiss-3 wheel kit fits 240s Disc hubs. Other kits are available for DT 240s rim brake hubs, and DT180 as well. The high velocity of wheel bearings means that bearing friction can have a huge impact on performance. CeramicSpeed Wheel Bearings have a proven lifespan, which is 3-5 times longer than standard wheel bearings. In The Box: - 2 x 61903/18 bearings - 2 x 61802 bearings - 2 x 61902 bearings - 10ml syringe of CeramicSpeed All Round Grease - Sticker sheet Remember to add grease and mount seals before installation.

Optimize your Zipp wheels with CeramicSpeed Hub Bearings to benefit from reduced friction and increased performance. The result is higher speed with the same effort as well as a higher top speed. CeramicSpeed Wheel Bearings have a proven lifetime, which is 3-5 times longer than standard bearings. All components are optimized for low friction and prolonged lifetime. This wheel kit is compatible with 1st generation non-disc Zipp NSW (before mid-2018). In The Box - 4 x 61803 bearings - 1 x 61903 bearing - 1 x 61804 bearing - 10ml syringe of CeramicSpeed All Round Grease - Sticker sheet