Specialized rockshox sid sl ultimate brain fork gloss black / polar grey foil 100mm x 44mm offset ModelNumber=K8142 1-1/4 inch diameter x 7

1-1/4 inch diameter x 7 inch length for 70cc (135g)

Aluminum Body Chromoly + Spindle Steel Bearings

5+ 42mm Offset Boost 15x110mm Tapered Steerer Diffusion Black

Duroc SD37 is the result of real-world EWS racing and good old-fashioned downhill thrash testing

Specialized rockshox sid sl ultimate brain fork gloss black / polar grey foil 100mm x 44mm offset ModelNumber=K8142 1-1/4 inch diameter x 7The RockShox SID SL Ultimate BRAIN incorporates a race tuned Brain Inertia Valve with Position Sensitive technology into the all new RockShox SID SL chassis. New Position Sensitive Brain technology provides more platform support while maintaining small bump compliance and chassis balance, making this the most efficient BRAIN yet. Position Sensitive technology allows riders to sag into the fork 15mm for a balanced ride, providing supple small bump