Spring: 6mm

Eye center to center :  185 mm( 7.28")
Mounting hole diameter : 8 mm
Diameter of spring：42mm 
Travel length： 50-60mm

Max Load : 350-400LBS

Fitment :

For 70CC 90CC 110CC 125CC 140CC 200CC DIRT PIT BIKE

Suitable for quads, some pit bikes, buggies and projects

Fits many other bikes with similar dimensions and poundage

Package Included:

1pc Rear Shock Absorber