CeramicSpeed OSPW RS 5-Spoke SRAM RedD1/E1+ForceD1 V2 Black Description-JIS Square Cups 6mm diameter seatposts with internal

6mm diameter seatposts with internal cable routing for dropper posts

Step riveting

Please see related items for suggested bolts

6lbs flywheel

CeramicSpeed OSPW RS 5-Spoke SRAM RedD1/E1+ForceD1 V2 Black Description-JIS Square Cups 6mm diameter seatposts with internalDistinctly modern and angular design Design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets Injection molded carbon fiber reinforced PA cage offers high levels of strength and durability Grade 3 silicon nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry Customizable spring tension