For DISC brake assembly ONLY!
SIZE: Tire 12" / The inner diameter of the wheel bearing is 15mm (12MM upon request)
bolt to bolt: sprocket side: 65mm
bolt to bolt: rotor side: 72mm
Heavy duty spokes and anodized alloy rim(customers need to make sure all the spokes are tighten before use).
It makes the bike more stable at high speed, stops wobbling, the bike will ROLL over obstacles easier, and it will also have more ground clearance. This is probably the best performance upgrade for the money.
