Aizmugurējie zobratu bloks SunRace CSMZ90 12-speed 11-50T black

Compatible with SRAM 12spd Derailleurs (not compatible with Shimano 12spd Derailleurs) HG Freehub Body Compatible (not XD Freehub Body Compatible) (not Microspline Body Compatible) Speeds: 12-Speed (Wide Ratio) Function: Fluid Drive Plus Number of Teeth: 11-50T Gear Combination: 11-13-15-17-19-21-24-28-32-36-42-50 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 Light Weight Holes: YES Spacer Material: Aluminum / Red Anodized Lock Ring: Aluminum / Red Anodized Chain Compatibility: 12 Speed Weight: 586 g