4 wrenches with open end and ring end in the same dimension

Tested for over a year on the most demanding tracks and terrains

The width of the GP AIR fits perfectly with your motorcycle combination thanks to the elastic Velcro system

Piston diameter 12 mm

All Balls Racing - 8 Ball Extreme Duty Axle (AB8-PO-8-328) Options:(AB8-PO-8-328) 4 wrenches with open endLeading edge 8 Ball technology. 8 precision ball bearings allow for a smoother operation and increased joint strength. Up to 35% larger cages and races for increased strength and durability. Textured Heavy Duty Powder Coating for ultimate rust and corrosion protection. Hi performance molybdenum grease reduces heat and friction. Precision machined for precise OEM fitment. Low profile stainless steel clamps.