FOX SLS Coil Rear Shock Spring - 650 lb. x 2.4" / 61mm Stroke Orange ModelNumber=J1975 The Shimano GRX BR-RX820 2-piston

The Shimano GRX BR-RX820 2-piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point

Bolt in collar is tightened/loosened via 3mm hex wrench

3 PSI 60 TPI 60 Tire Bead Folding Tire Diameter 27

A UD rim layup with a 31mm inner width helps it handle all with style

}Shimano Sora RD-R3000-GS Rear Derailleur - 9 Speed Medium Cage Black

FOX SLS Coil Rear Shock Spring - 650 lb. x 2.4" / 61mm Stroke Orange ModelNumber=J1975 The Shimano GRX BR-RX820 2-pistonConstructed 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 Fox vendor part number now printed on the spring for identification TECH SPECS model SLS material lightweight steel ID 35mm 1. 385" stroke 61mm 2. 4" rate (lbs) 650