OneUp Components Top Chainguide with Bash Guard

- Eliminate dropped chains
- Almost every EWS pro runs both a chain guide and narrow wide chainring
- Combines upper chain retention with lower chainring bash protection
- Reinforced nylon bash guard and a back plate cut from 8mm thick 7075-T6 aluminum
- Boost and oval chainring compatible
- Tool-less upper guide flip
- 5.5mm of chainline adjustment
- Single tool install without removing your cranks
- Includes 3 different sizes of bash plate for compatibility with chainrings from 28-36t