CeramicSpeed cartridge bearing kits for wheels is an upgrade option that provides extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.

• Grade 3 Silicon Nitride balls
• Hardened races
• Reinforced polyamide cage and non-contact seals
• Hand built in Denmark
• High resistance to poor lubrication
• 2x 61802, 2x 61803, 2x61902
• Also fits 190 Road hubs
• For non-disc hubs