Rimpact Chain Damper - Shimano Direct - 32t CheckoutSpec= CrMo Wave design comes from the

Wave design comes from the Galfer motorcycle division and has been used across many disciplines at the highest level

with a lighter-weight aluminum 12th gear

4 TCS Tubeless Folding Black Light/Fast Rolling Dual DNA SG2

Shadow ES design provides a slimmer stronger evolution of Shimano’s pioneering chain-stabilizing Shadow concept

Rimpact Chain Damper - Shimano Direct - 32t CheckoutSpec= CrMo Wave design comes from theChain damper isolates the rider from spikes in the chains energy, reducing drivetrain feedback Engineered to smooth out peak chain forces by capturing a precisely calculated angle of rotation Multiple x ring seals within the chain damper create maximum resistance to dirt and water Direct mount crank interface 7075 aluminum construction 230g Model Chain Damper Shimano Direct Ring Type Single Mount Shimano DM Teeth 32 Oval Round Round Color Black Silver