knobby Tire  90/100-16 
Rim:1.85*16 
Bearing: 15mm

Hub width：138mm

Mounting spacing for sprocket:65mm

Mounting spacing for disc:70mm

Rear swing arm

Swing Arm axle:M12*195MM

Bearing :2x 6200 Bearing

Axle :   M15*220MM with spacer

Fitment:  125cc 140cc 150cc 160cc 250cc Pit Dirt Bike / Fits Disc Brake Pit Dirt Bikes With 16" Wheel

Package include:1x rear wheel tire rim+1x rear brake+1x rear swing arm