CeramicSpeed 61903 (6903) Bicycle BearingsCeramicSpeed 61903 (6903) Bicycle Bearings Product description 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. The balls are held in place by a reinforced polyamide cage. Every bearing is optimised with a low viscosity CeramicSpeed Blue Grease to minimise fiction and increase bearing life.

so your performance won't be compromised

✅Premium Construction & Compatibility

and Tall 33" inseam (5'9" – 6'1")

thanks to the tech-friendly liner

and eco-conscious materials—without compromising on value

or anyone looking for added visibility and style on city streets

The bag divides organization into a split-level design that gives easy access to multiple large compartments

The SRAM Shift Grips are the of technical integration

2" 6 7/8-7 3/8" 370±40 g L 23

effortless adjustments to your fit while you're on the bike

and an optimized cage fit ensures a secure placement on every pulse-pounding ride

measure your head circumference above the ears