Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm Ring Position/Type-Outer 4 PSI 45 TPI 60

4 PSI 45 TPI 60 Tire Bead Folding Tire Diameter 27

6 Threadless

The front mounts to the fork bridge with a rubberised hook and loop fastener or a cable tie

Includes genuine Campagnolo cables and housing

Shimano chainring for use with GRX FC-RX600 cranks

Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm Ring Position/Type-Outer 4 PSI 45 TPI 60Enduro Zero Ceramic Grade 3 6902 Sealed Cartridge Bearing 15 x 28 x 7mm. Zero Ceramic bearings are the ultimate race day weapon. Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity and slippery Silicone seals to produce minimum resistance. All measurements are in millimeters ABEC 5 precision cartridge bearing CERBEC USA Grade 3 Si3n4 Silicon