The SS series is the most popular style clutch used by the O.E.M. since its introduction in 1970. This clutch comes in many different configurations to meet any O.E.M. requirements. Fits All 79cc-105cc DB30, Monster Moto Engines. The 11 Tooth Option Is For More Torque And Is Great For Micro Mini's!
( 5/8 bore - #35)