When 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 replacement R8 ceramic wheelchair bearings will fit most manual wheelchair rear wheels. The CeramicSpeed bearings are also compatible with some Zipp disc racing wheelchair wheels. Always confirm before purchasing. Price is Per Bearing (1).
Dimensions: 1-1/8" outer diameter, 5/16" thick, 1/2" inner diameter.
- Inner Diameter: 12.7 mm
- Outer Diameter: 28.575 mm
- Width: 7.938 mm
*Average Lead Time is 5-7 Business Days.