RISK 12T Electric Rear Derailleur Adjuster Adjustment Gauge Guide Tool Chain Gap Tool for Road Bike R7100 R7150 RX820 R8150

Brand: RISK

Product Name: RISK Road Electric Derailleur Adjustment Tool

Model Number: RL255

Compatibility:
Specifically designed for 12-speed road electronic shifting systems.

Compatible with Shimano rear derailleurs: R7100 / R7150 / RX810 / R8150 / R9250.