Sta Tru Rear Wheels - Single Wall rim - Wheel Size: 20-inch - ISO Diameter: 406 / 20-inch BMX - Valve: Schrader - Tire Type: Clincher

Sta Tru Rear Wheels - Hub/Brake Compatibility: Rim Brake - Wheel Size: 27" - Cassette Body Type: Threaded Standard 1.37" x 24tpi - ISO Diameter: 630 / 27" - Tire Type: Clincher

If you need just one wheel for on-the-spot repairs, this wheel features both rim brake and disc brake compatibility.