-Must be used with the proprietary steel insert which threads on 14mm axle and substitutes existing drive side jam nut.
-Can be used on all 14mm Rear Madera and Profile Cassette Hubs (including Madera V-2 and Gulf Coaster, and Profile Mini, Totem, Elite, and Zcoaster).
-Can be used on either RHD or LHD Hubs.
-Works only with 14mm axles
Note: Plastic wears faster than aluminum, especially when used on very rough surfaces. The Madera C4 guards are intended to be used for ramp and light street.