Galespeed thumb brake master cylinder 12mm GS-TH12-17B Square Sissy Bar Kit — Short including 2" constant velocity cores

including 2" constant velocity cores for exceptional sound and performance

This system provides positive-feeling clutchless downshifting that rivals even the best OEM auto-blip setups

Molded openings for easy access to oil cap and filter cover

Carpeted with rubber edging

High-flow K&N® air filter element ensures the best air intake and maximum protection for your engine

Galespeed thumb brake master cylinder 12mm GS-TH12-17B Square Sissy Bar Kit — Short including 2" constant velocity coresGalespeed 12mm Thumb brake master cylinder enables rear brake operation when the foot brake cannot be used like in deep right side banking. Along with improving difficult situations for your feet dramatic improvements in traction control, grip recovery, and more balanced corner exiting in un stable behaviors are all characteristics of using thumb brakes. Universal Fork Mount kit sold separately.