FOX SLS Coil Rear Shock Spring - 450 lb. x 2.9" / 74mm Stroke Matte Black MFPN=639 Z2 Fork Axle Axle Length

Z2 Fork Axle Axle Length (mm) 156 Thread Pitch M14x1

The 30 mm wide carbon rim gives you the precision to stay on track even on the trickiest lines while a 240 hub keeps it spinning

Knee Pad Type Foam

Durable stainless steel fastening hardware

FOX SLS Coil Rear Shock Spring - 450 lb. x 2.9" / 74mm Stroke Matte Black MFPN=639 Z2 Fork Axle Axle LengthConstructed from proprietary Fox super light steel (SLS) Unique surface treatment and stress relief process allows using a smaller wire diameter with fewer coils, all creating a lighter spring 1. 385 inch inside diameter fits Fox coil shocks, plus Marzocchi, DVO, MRP, X Fusion and more TECH SPECS Model SLS Material Lightweight Steel ID 35mm 1. 385" Stroke 74mm 2. 9" Rate (Lbs) 450 Color Black