Note: please do check the size specs before purchase to make sure it will fit your bike before purchase, bike model is just for reference. not definitely correct

12mm Axle

Wheel Size: 80/100-12 +60/100-14  rim+tube+tyre.
Item has been know to fit:
 Dirt bike/Pit bike/Monkey bike/
70/90/110/125/140/150/160cc
Petrol scooter and electric scooter

41T 420 Chain Sprocket:

41T Rear Sprocket Cog for 420 Chain 

Fits 110cc 125cc 140cc PIT PRO PIT Bike Trail Bike Dirt Bike Thumpstar

Sprocket/Cog: 6.7'' (170mm); Centre Hole: 3'' (76mm); Centre to centre: 2.6''(65mm); Tooth: 41

Package include: 1 x Rear Wheel Rim Tire + 1 x Front Wheel Rim Tire + 1 x 41T 420 Chain Sprocket ++ 1x front disc rotor +1x rear disc rotor