8" Brake Rotor

3-1/8" Bolt Circle | 3/16" Width

A: This rotor can be paired up with part number 400243, to fit on an a 1" axle. Answer provided by:  BMI Karts (3/7/2016)

A: The reason for the eight holes, is there are two of the exact same bolt patterns drilled into the rotor (5/16" bolt holes on a 3-1/8" bolt circle). These are flat and will work with a mechanical brake caliper. These are all new, and the description on the part has now been updated.
Answer provided by:  BMI Karts (4/4/2016)

A: Yes this is designed for a Yerf-Dog Spiderbox GX150. Answer provided by:  BMI Karts (4/12/2016)

A: .16" Thick (~3/16") Answer provided by:  BMI Karts (4/18/2016)

A: Yes! Answer provided by:  BMI Karts (6/13/2016)

A: Yes we do, but are currently out of stock. They will be made available soon, and you can find it here: Sprocket / Brake Hub with 3-1/8" Bolt Pattern Answer provided by:  BMI Karts (8/2/2016)