Brake Caliper - Single Piston - ATV - Rear - Version 3 101486 There is a clutch nut

There is a clutch nut and locking washer that holds this clutch on

Know to fit Tao Tao ATA300A/A1 and ATA300H/H1 atvs

Built in petcock/shutoff valve

The "A" engine has 54mm spacing

5 total wires [see picture for detail]

Brake Caliper - Single Piston - ATV - Rear - Version 3 101486 There is a clutch nutATV Rear Disc Brake Caliper Version 3 This rear disc brake caliper fits many Chinese atvs, dirt bikes, & go karts. Please use specs and pictures to best identify the caliper you are needing for your machine. Caliper version 3 details: Mounting Holes: 52mm (2. 05 in) center to center Brake pads are included SHOP NOTE: After changing the caliper and filling the hydraulic oil, be sure to bleed the remaining air from the brake system to insure the caliper