52mm 428 56T Rear Sprocket Cog 
For 428 Chain Fit 110cc 125cc 140cc PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar Pitpro Sunl Taotao
Diameter of Sprocket / Cog : around 23cm (230mm)
Diameter of Centre Hole: around 52cm (520mm)
Tooth   :  56 T

Features : 
Pit Bike Front Drive Sprocket 16 Tooth 428 Pitch 17mm Centre Hole For Pit Bikes
Heavy duty pit bike front drive sprocket for pit bikes and quads
Strong steel construction with a standard Honda 6 tooth drive shaft. The sprocket slides onto the drive shaft and secures by way of a retainer and bolts
This sprocket is found on all sorts of offroad and onroad machines including pit bikes, quad bikes, buggies, gokarts and many more
Big brands that have models which use this sprocket include Stomp Demon X, WPB, Orion, M2R, Lucky MX, Thumpstar, Explorer, Braaap, Atomic, Pitpro, Pitster Pro, DHZ, SSR, Piranha, Kazuma and many more

Package included:
1 x  Front Sprocket 
1 x rear Sprocket 
1x chain