Hope V4 2.3mm Disc Rotor 6-Bolt Fixed/Wave 180mm Model=Garmin Max XL Mount }SRAM GX Rear Derailleur Pulley

}SRAM GX Rear Derailleur Pulley Kit - 2x11-Speed Black

128 is the best fit

126 links with included PowerLock Links 126 Drivetrain Speeds 12 Chain Connection Type Single Use Master Link Color Silver/Gray Weight 298 Half Link Chain No Designed for ebike Yes Defined Color Gray

Length 195 Color Black Compressed Gas Inflator No Includes Mount Bracket Yes Includes Gauge No Weight 100 Defined Color Black Valve Compatibility Presta PSI 160

3 position spring tension adjustment

Hope V4 2.3mm Disc Rotor 6-Bolt Fixed/Wave 180mm Model=Garmin Max XL Mount }SRAM GX Rear Derailleur PulleyDesigned with a wider braking surface to make them more compatible with other brakes Weight: 146g (180mm) Model V4 2. 3mm Rotor Size 180mm Mount 6 Bolt Thickness 2. 3mm Weight 178g Color Silver