Description
- Material: Alloy
- Gear Teeth: 12 – 18T
- Origin: JP(Origin)
- Freewheel Speed: 1
- Components: Freewheel
- Flywheel Adjustable Gear Number: 1-speed
- Model Number: m8100 m7100 m6100
- is_customized: No
- Sensitivity: 36 Sounds
Made in Japan.
Only for 12 speed.
Before this,the chain must be replaced.
