Tire Duro 24" x 2.10" Black/Black Side Wall HF-823. Duro Brand HF-823 Hacker 35-65 PSI. Tire Duro 24" x 2.10" Black/Black Side Wall HF-823. Duro Brand HF-823 Hacker 35-65 PSI. Please note that our tires do not work on schwinn wheels. We carry over 3,000 bicycle parts and accessories. If you have any questions about any of our parts, please send us an email.