Sram PC951 9Spd Chain mounts The 18mm*11mm low-frequency air-conduction driver

The 18mm*11mm low-frequency air-conduction driver is dedicated to processing low-pitch sound waves to offer a more booming

Length of knee pad: The precise length isn't listed but the top of the pad will extend a few inches up above the knee and the lower portion should provide partial coverage for your shins

Sleeve length: Short sleeves to keep you cool out on the trails

Day or night

and reduce chance of injury by optimizing hip

Sram PC951 9Spd Chain mounts The 18mm*11mm low-frequency air-conduction driverPower Chain II Technology Extrremely strong and precise Increases front and load shifting performance without sacrificing rear precision Step2 riveting increase Push Pin Power for increased strength and durability