alltoo 1pc Bicycle Rear Derailleur Chain Gap Flywheel Guide Wheel GG Adjustment Gauge Tool for-Shimano RD9250 8150 7150 Special Tool (for 9250 8150)

alltoo 1pc Bicycle Rear Derailleur Chain Gap Flywheel Guide Wheel GG Adjustment Gauge Tool for-Shimano RD9250 8150 7150 Special Tool (for 9250 8150)

• 【Compatibility】This bicycle's rear derailleur chain clearance adjustment gauge tool is suitable for Shimano RD9250 8150 715
• 【Material】Made of high-quality ABS and CNC integrated milling, is carefully crafted, with each component designed according to precise specifications to ensure seamless fit and smooth operation
• 【Small and Lightweight】Our chain tools is easy to carry. It does not add extra weight to your bike and can be easily stored in your tool box, ensuring you can always make adjustments when needed
• 【Usage】Move the chain to the smallest sprocket and the largest flywheel → Adjust the B screw → According to the current specifications of the cartridge flywheel, adjust the gap between the largest flywheel plate and the guide wheel to any of the following sizes
• 【After-sales Service】If you have any questions about our product, please feel free to contact us and we will help you