Because the ball diameters are different

6% polyester

the Fastpace T-shirt is branded with the REV’IT

Great look for today's custom builds

All Balls Racing - 8 Ball Extreme Duty Axle (AB8-CA-8-127) Options:(AB8-CA-8-127) Because the ball diameters areLeading 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.