Complete 12-inch rear wheel assembly with an 80/100-12 tire and tube for select pit and dirt bikes using a 15 mm axle. This assembly will not fit a 12 mm axle. Compare all mounting dimensions before ordering.
Key specifications
- Wheel position: rear
- Rim diameter: 12 in
- Tire size: 80/100-12
- Axle / bearing bore: 15 mm
- Brake rotor: 190 mm
- Sprocket: 428 chain size, 41 tooth
Reference applications
Listed for select 50cc–125cc Apollo, SSR, Honda XR/CRF-style, Tao, Kayo TSD110/TD125 and similar pit/dirt bike configurations.
Model name or engine displacement alone does not confirm fitment. Axle, spacer, hub, brake and chain alignment can differ between production versions.
Verify before ordering
- Axle diameter must be 15 mm—not 12 mm.
- Measure hub width and required spacer arrangement.
- Confirm brake-rotor diameter, offset and caliper alignment.
- Confirm 428 chain compatibility, sprocket tooth count and chain line.
- Confirm tire size and swingarm/fender clearance.
- Compare the bearing and axle-hardware arrangement with the original wheel.
Package contents
- 1 rear wheel/rim assembly with 80/100-12 tire and tube as pictured
Installation note: Wheel, brake and drive alignment are safety-critical. Follow the equipment manufacturer’s service and torque specifications. Have a qualified technician inspect the installation before riding if you are unsure.
For fitment help, contact 1PZ Support with the bike make/model/year, axle diameter, hub width, rotor measurements, sprocket details and clear photos of the existing wheel.