Enhances shifting performance and prevents dropped chains
6061 T6 aluminum
Mounts by replacing a 2.5mm spacer, on outboard bearing bottom brackets that call for the use of spacers
- Compatible with Shimano triple mountain cranksets with outboard bearing BB's
- Enhances shifting performance and prevents dropped chains
- 6061 T6 aluminum
- Mounts by replacing 2.5mm spacer on out-board bearing bottom bracket cups
- Anodized finish