TMDesigns Upper Powerlip Roller
- Improves drivetrain speed, tension & rolling accuracy
- Low friction material lowers drag, powerlip straightens chain run
- Washer & bushing help protect sealed inner bearing, made in USA
- Powerlip roller requires removal of stock sprocket/case guard
- Will not work with AB-21417 TMDesigns Inner Frame Guard.
- Fits 2010+ RR/RS/RR-S/Xtrainer