[Set components] ・Front sprocket x 1 ・Rear sprocket x 1 ・Hardened ring x 1 ・U Nut x 4 ・Sticker [Material] Front :isa SCM tempered material (wood charcoal treatment, shot peening) REAR:Isa aluminum 7075 (hard anodized) [Number of gear teeth] Front :16 teeth REAR:It can choose from 3T or 41T.
Material: Steel 530 size Front 16T Rear 42T [SUNSTAR compatible part number] Front 517 Rear 395 [XAM compatible part number] Front C6204-16 Rear A6207-42