NEW Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed, Short Cage, Black discontinued Heat Shield technology to reduce

Heat Shield technology to reduce caliper fluid temperature and prevent loss of braking power

Compatible with Lazer Aeroshell

Brake Caliper Mount: Flat Mount

Park Tool offers a wide variety of high quality Torx Wrenches for the home or shop mechanic

Dimensions External: 47 x 30

NEW Shimano Saint RD-M820-SS1 Rear Derailleur - 10 Speed, Short Cage, Black discontinued Heat Shield technology to reduceShimano Saint RD M820 Rear Derailleurs Shadow+ chain stabilizer provides a simple, lightweight chain control solution Mode Converter allows the derailleur to track different type of cogsets DH mode is a close ratio mode to track up to a 23T 28T low gear AM mode is optimized for a wider ratio cogset with a 32T 34T low gear Rear Derailleur Mount Type: 10x1 Standard Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Der Shifter Compatibility: