Brand new clutch assembly with accessories and clutch spanner tool set
Fit most 110cc, 125cc, 135cc ATVs, dirt bikes, and go karts with semi automatic with reverse engine
17 Teeth Drive Gear
spanner tool has 24mm and 20mm diameters on the each ends
Includes everything you need to replace the old clutch. Product Description
This is a brand new clutch assembly and clutch spanner tool set
Fit Models:
most 110cc, 125cc, 135cc ATVs, dirt bikes, and go karts with semi automatic with reverse engine 
almost all of the Chines made ATVs, such as TaoTao, Buyang, Coolsports, Kazuma, Sunl, Roketa, AIM-EX etc.
Dimension:
17 Teeth Drive Gear
spanner tool has 24mm and 20mm diameters on the each ends
Please also check with the old part on your bike to make sure.