Wheels Manufacturing Drivetrain Spacer Kit - Premium Bicycle Chainring Spacers for Smooth Gear Shifting | Perfect for Road Bikes, Mountain Bikes & Cycling Upgrades

(20) 1.0mm FW Spacers, (10) 1.5mm FW Spacers, (10) 2.0mm FW Spacers, (10) NCS-4.5mm Cassette Spacers, (10) SHIM-.3MM BB30 Spacers, (10) SHIM-.5MM BB30 Spacers, (8) 0.5mm 24mm ID Spacers, (8) 1.0mm 24mm ID Spacers, (8) 2.5mm 24mm ID Spacers, (4) BB30-CLIP, (4) BB30/PF30 Wave Washers, (4) GXP Wave Washers, (4).7mm Bottom Bracket Spacers, (4) 1.8mm Bottom Bracket Spacers, (9) 2.5mm Bottom Bracket Spacers, (8) 0.5mm 30mm ID Spacers, (8) 1.0mm 30mm ID Spacers.