Tire Duro 12 1/2" x 2 1/4" Red/Red Side Wall HF-143G. Bicycle tire, bike tire, kids bike tire Tire Duro 12 1/2" x 2 1/4" Red/Red Side Wall HF-143G. Bicycle tire, bike tire, kids bike tire Duro Brand 40 PSI. We carry over 3,000 bicycle parts and accessories. If you have any questions about any of our parts, please send us an email. sold 1 each