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Specifications | Rear sprocket: 34T/35T/36T/37T/38T/39T40T/41T/42T/43T/44T/445T etc. |
Front sprocket: 13T/14T/15T/16T/17T etc | |
415,420,428,428H,520 etc | |
Material | A3# steel(SAE Q235), 45# steel(SAE Q345B) ect. |
Surface treatment | Through heat treatment in guarantee hardness and abrasion resistance |
CD70 MOTOR SPARE PARTS