3 Pack Bushings (12mm, 13mm, 10mm)

Product Description:

CNC cut out of top quality bronze, satisfaction guaranteed.
3 pack of bushings includes:

• 1 12mm Bushing
• 1 13mm Bushing
• 1 10mm Bushing

12mm pin bearing: Fits most 60/80cc 2 stroke bicycle engine crankshafts.
Fits big displacement, high performance pistons equipped with 12mm pin. 

13mm pin bearing: Adapter bushings for using a 13mm piston pin with a Crankshaft meant for 12mm pin. Bushing inside measures 13mm outside 15mm. 

10mm pin bearing:  10mm conversion bushings, this bushing allows you to reliably run a 10mm pin top end with a crankshaft made for a 12mm pin! The bore of your connecting rod must measure 15mm and your pin 10mm to utilize this bushing.