- Prevents missed front shifts and frame damage from a dropped chain
- For use with triple mountain cranksets with outboard bearings
- Mounts behind drive-side bottom bracket cup
- Bottom bracket mounting increases compatibility with 'low' clamp top-swing front derailleurs
- Clamps and adjusts independent of front derailleur
- Precision machined, anodized 6061 T6 aluminum
Currently, only " Alipay HK Balance and HK Government Voucher" are supported, If want to use "Alipay HK - Credit Card" to check out , please contact our CS for assistance.