RockShox Rear Shock Mounting Hardware - 3-piece 1/2", 8 x 54.0, (Comp. w/ Imperial and Metric shocks)3 piece hardware with lightweight, hard anodized aluminum thru pin and spacers are self contained for easy installation. Designed to fit RockShox rear shocks, except the BAR (contact SRAM for 12mm BAR hardware) Compatible with most 1 2"x1 2" rear shock eyelets. Consult manufacturer for compatibility 1 kit required per eyelet (2 kits required per rear shock) Product Specifics Bolt Mount Diameter: 8 Frame Mount Width: 54 Today's Stock Status 10+