rolling resistance

For Lezyne E-Bike lights

This makes for a chain that is lighter

EC49: Any frame that uses an external cup headset with a 49mm lower head tube inner diameter

Koroyd uses crumple zone cylinders that crush uniformly on impact

Quarq TyreWiz 2.0 Valve Stem Pair - PACK H NoAusPost rolling resistanceDifferent length valve stems allow TyreWiz 2. 0 to fit on any depth rim Valves are modifiable with different rim seals to fit on any rim shape Lightweight aluminum construction Includes different styles of rim seals (round, square and o ring) Includes 2 valve stems Instruction manual on how to size up the right Valve Stem can be found here at the SRAM website.