S&S CYCLE Circuit Breaker Drive Gear Shaft for Big Twin 1936-1969 (Part #31-2037) Hardware Group providing a more relaxed riding

providing a more relaxed riding posture

the 46 mm mono tube is machined from hard-anodized billet aluminum and features a lightweight high-flow piston design for unmatched handling and bike control

this helmet provides superior impact resistance while maintaining a lightweight feel for extended comfort

Specifically designed to retain factory ride height on FL touring models

Fully carpeted bottom minimizes noise and vibration

S&S CYCLE Circuit Breaker Drive Gear Shaft for Big Twin 1936-1969 (Part #31-2037) Hardware Group providing a more relaxed ridingCircuit Breaker Drive Gear Shaft Big Twin '36 '69 The S&S CYCLE Circuit Breaker Drive Gear Shaft (Part #31 2037) is a high quality replacement component designed specifically for Harley Davidson Big Twin models from 1936 to 1969. Manufactured in the USA, this drive gear shaft ensures reliable performance and durability in your motorcycle's engine assembly. Featuring a robust build, it is engineered to withstand the stresses of high performance riding