CushCore Tubeless Presta Valve Set - 55mm, Black Cassettes Reinforced End molded out of

Reinforced End molded out of soft

it gives you a boost and buzz like your favorite cup of joe

Get everything out of the trail that you put into it

Optimized lightweight crank arm design produces excellent power transfer efficiency | Minimized weight without sacrificing stiffness | HOLLOWTECH II | Rider tuned gear performance through various gear combinations | Possible to choose the best choice for ride | Redesigned FC for greater frame compatibility | Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O

CushCore Tubeless Presta Valve Set - 55mm, Black Cassettes Reinforced End molded out ofCushCore tubeless air valves are specially designed to work with CushCore tire inserts. The air passageway is T shaped, rather than a simple through hole, which prevents the insert from obstructing air flow through the valve. Made from CNC machined from 6061 T 6 aluminum, anodized black Tapered rubber collar permanently bonded at the sealing interface The valve core can be removed to add tire sealant Locknut with nitrile rubber seal and valve cap