CeramicSpeed CeramicSpeed Bearing 17287 17x28x7 Ea CheckoutTitle=SRAM S4 Guide RSC with Bleeding Edge Caliper Hardware Kit with Stainless Black Body Bolt Laser-etched logos Length 200 Color

Laser-etched logos Length 200 Color Black Diameter 25

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yet slim and easy to move around for all the tricks

Aluminum sleeved rim joint hooked bead tubeless ready with 23mm height

CeramicSpeed CeramicSpeed Bearing 17287 17x28x7 Ea CheckoutTitle=SRAM S4 Guide RSC with Bleeding Edge Caliper Hardware Kit with Stainless Black Body Bolt Laser-etched logos Length 200 ColorAll 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. Non contact seals complete the bearings, keeping dirt and