GRP4 Fully Floating Rear Stub Axle ∅60mmGroup 4 Fully Floating Atlas Rear Stub Axle for 60 mm axle tube. Machined from High Tensile Steel. Sold per 1 Available in three different lengths: Standard 100 mm Overall Length +35 mm Longer (135 mm Overall Length) +50 mm Longer (150 mm Overall Length) Using a pair of +35 mm Stub Axles will make a Standard Axle 70 mm Wider. Using a pair of +50 mm Stub Axles will make a Standard Axle 100 mm Wider. We also stock Locking Rings to suit.