This is the AlveyTech complete rear clutch assembly for your 125cc or 150cc GY6 QMJ152/157 and QMI157 4-stroke engine. Everything for it is here: the driver pulley, clutch bell, everything you see in the pictures.

When it comes time to tinker with your favorite GY6 powered vehicle, nothing makes the job easier than having all the parts you need at your fingertips. If this weekend's projects calls for a clutch repair, then we have a great package for you.

With our global network of parts manufacturers and suppliers, Monster Scooter Parts is able to offer our customers some of the very finest replacement GY6 QMJ152/157 and QMI157 4-stroke engine parts at the very best price around.

Inner Diameter (bell): 125mm
Outer Diameter (bell): 137mm
Number of Splines: 19
Splines Inner Diameter (peak to peak): 13.6mm
Outer Diameter (pulley): 142mm (5.6 inches)