Bicycle Rear Derailleur Aluminum 11 13 T MTB Road Bike Bearing Jockey Wheel Gear
Specifications:
- Name: rear idler pulley
- Material: 7075 high strength Aluminum Alloy + metal bearing
- Size: 11T, diameter about 41mm, 13T, diameter about 49mm
- Specification: use 4/5/6mm axle center guide wheel
- Weight: 9 grams of 11T, 11 grams of 13T
Features:
- Support most of the market after dialing, support 7/8/9/10 speed!
- Selection principle: 1: as far as possible with the original wheel size, no, you can choose a smaller than the original wheel, you can not choose large.
- The 2: guide wheel does not separate from the tension wheel.
- Some of the rear steering wheels are different from the tension wheel.
- They can be replaced, and the chain length needs to be readjusted.
Package contain:
- 1pcs