Shimano Saint RD-M820 Guide and Tension Pulley Unit Model=OSPW RS Alpha Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 Better finger wrap on the

Better finger wrap on the hood means less fatigue on long days and Bonus Buttons lets you shift or control ANT+ devices with your thumbs

The Linear XL air spring delivers a coil-like ride—supple off the top supportive through the mid-stroke and backed by Adjustable Bottom Out (ABO) for confident end-stroke control—giving you unwavering consistency and predictability

9" in length

Designed to work with and protect all BMX chains Tooth Count 25 Material Aluminum Color Black Defined Color Black Bore 24mm

Shimano Saint RD-M820 Guide and Tension Pulley Unit Model=OSPW RS Alpha Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 Better finger wrap on theShimano Rear Derailleur Pulley Assemblies