CeramicSpeed R8 Ceramic Bearing Upgrade - Rear Wheel 1/2" Bearing wheelchair racing tires 1" lateral pelvic wedges offer

1" lateral pelvic wedges offer superior lateral stability and alignment of the pelvis for more involved positioning needs

Fits most clincher wheels

depending on the level and condition of your existing bearings

the PM9 is now able to measure with higher accuracy in very low cadence situations and oval chain-rings do no longer have an impact on the recorded data

25" Axle Length

CeramicSpeed R8 Ceramic Bearing Upgrade - Rear Wheel 1/2" Bearing wheelchair racing tires 1" lateral pelvic wedges offerWhen pushing efficiency and speed are top priority All CeramicSpeed Bearings are hand built in Denmark. Super smooth CeramicSpeed grade 3 Silicon Nitride balls are matched (within microns) with hardened steel raceways that feature an ultra smooth polished groove. An upgrade option for cartridge wheel bearings that offer extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. These CeramicSpeed