Pulley Set 6/7/8 Speed. Fitness 3-Axis Gyroscope

3-Axis Gyroscope

Outer rim width: 24

compact tool includes Torx sizes (T10 / T15 / T20 / T25) to work on modern bike components while other popular tools

The rotor's reliable anti-loosen plate construction makes for quick and secure installation

Rise: -17°/17°

Pulley Set 6/7/8 Speed. Fitness 3-Axis GyroscopeTY05 15 20 22 30 CT92 MJ05 Shimano 6 7 8 Speed 10T Upper Lower Derailleur Tension & Guide Pulley Set Assembly. These will work with most 6 to 8 speed Shimano Derailleurs that use a ten tooth pulleys. Count one of your existing pulleys. Most later Shimano derailleurs use an 11T pulley and this item would not fit those derailleurs. Most early 6 8 speed ones use 10 tooth pulleys.