Monster rotor 255mm 505219
Harmony adapter 547002
CNC motorized sprocket 532620 select below
For a frame with a welded rear disc brake bracket - example 1 example 2
The center hole bolts on to a standard 6-bolt disc brake hub - example
This kit is for custom bicycle builders; frame modifications may be required; the 255mm Monster rotor may touch the frame's chain stay or seat stay; the frame must have a bracket welded on to receive the caliper with the Monster adapter; the frame's mid sections must be large enough to receive a 2-stroke or 4 stroke gas engine kit.
Important Warning Instructions. Thread locking glue not included. Use thread locking glue between all screws including the 6 holding the rotor, and the 6 holding the motorized sprocket. Be sure to use Loctite Threadlocker Red 271 High Strength, or equivalent glue.