More informationUltralight and spectacularly designed, the TRS Race SL Chainguide weighs almost nothing, but provides more than enough protection against chain drops. All polycarbonate parts are solvent resistant, and our top slider has a rubber on the interior to reduce noise.The TRS RACE SL chain guide fits almost all bicycles on the market.Box contents: Chain guide, long ISCG screw x3, short ISCG screw x3, spacer x3.Made of Glass Composite, for ISCG 05 assembly.Chain retention Adjustable strip with molded soft rubber to reduce sound, opens without tools.Measurement: 28-34 tColor: BlackWeight: 37 gr