Product details:
Features - Alignment tool included - Lighter-than-stock pedal feel - CNC-machined and anodized flywheel adapter ring - Low rotating mass for quick revs - Compatibility1974-1985 RST Street Twin General MotorsSpecificationsDisc Diameter: 246 mm - Disc Style: Sprung Hub - Disc Diameter: 9.70 inch - Input Shaft Diameter: 1.12 inch- SKU: MTRST53095