Galespeed thumb brake master cylinder 12mm GS-TH12-17B Stainless Steel Throttle/Idle Cable for Street — Throttle Easy-pull high-efficiency design reduces lever

Easy-pull high-efficiency design reduces lever effort by up to 40%

The big tube step header is designed for large engines

The spring tabs are made from thick Titanium wire for long life

80% Acrylic / 20% Wool

Sold as a set for both tires

Galespeed thumb brake master cylinder 12mm GS-TH12-17B Stainless Steel Throttle/Idle Cable for Street — Throttle Easy-pull high-efficiency design reduces leverGalespeed 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.