SunRace MZ91X 10-50T 12Spd XD Cassette Black Chrome salerack50 and an Orbit fluid damper

and an Orbit fluid damper to keep everything in place over the rough stuff

The larger outer structure supports the inner block for additional speed

Support for medium arch height

Max Lumens: 500

Assioma UNO indicates the Torque Effectiveness value for the left leg

SunRace MZ91X 10-50T 12Spd XD Cassette Black Chrome salerack50 and an Orbit fluid damperSram XD compatible MZ 12 Speed Wide Ratio Cassette for XD Driver Adaptor included Fluid Drive Plus Number of Teeth: 10 50T [WT5] Light Weight Holes Gear Combination: 10 12 14 16 18 21 24 28 32 36 42 50 Spider Material: Aluminum Red Anodized Sprockets On Spider: 7 Sprockets on 2 Spider Carriers Sprocket Material: 1st~10th: Hi Tensile Steel 11th~12th: A7075 Aluminum Anodized Spacer Material: Aluminum Red Anodised Lock Ring: Aluminum Red Anodised Chain