Description:

Package: 1pcs chain gaps adjustment tool, this derailleur alignment gauge tool for adjusting the derailleur and chain gaps easily and effectively
Compact Design: 10cm/3.94inch. Rear derailleur adjuster is small and sturdy, beautiful in appearance, simple to operate, and easy to use.
How to Use: move the chains to the smallest chainring and largest sprocket. Adjust the B screw.
Compatible With: Chain Gaps Adjustment Gauge Tool Only Suitable for RDR9250 for RDR9270 for RDR8150 for RDR8170, Not Suitable for RDR7150 for RDR7170.
Good Accessories: Perfect bikes maintenance tool for cyclists. This is the best gift for yourself, your family, or your friends who loved cycling.

Specification:

Material: Nylon
Size: 10cm/3.94inch

Package Includes:

1 Rear Derailleur Adjuster

Note:

Please allow slightly errors due to manual measurement and different monitors.