TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models

TB Stroker Crankshaft, 51mm 6v – Various 3 & 4 Speed Models

Replacement TB 51mm Stroker Crankshaft- 6v Type with long rod for 3 and 4 speed models.

Note: Only for use with 4 speed CT70H, SL70, and XL70. Also for 81 & up ATC70 and 3 speed 80-81 CT70

Must use compatible TB Parts piston.

TBparts.com is the only distributor of our products and the parts are shipped directly from the manufacturing facility to us. When a product is purchased from us, it has not gone through several middlemen and thus, the savings goes to the consumer. Additionally, to keep prices down, we use basic packaging and installation instructions are not included.  The end result is affordable and high quality performance parts that will add some power and excitement to your bike!