TMD is the only made in the USA factory tested front chain slider used by top race teams.
Improved slider shape to increase longevity in critical wear spots.
TMD sliders include friction reducing additives to decrease chain drag and increase HP.
There is also UV protection additives to reduce color fade.
Dampening pads are applied to reduce chain noise.
6-month (USA only) free replacement warranty
Includes all new mounting hardware.
Works great with inner frame protector AB-21417-R/BK
Fits 2020+ RR/RR-S Models