1. Material: inner tire: butyl rubber; outer tire: rubber 2. Provide better grip, shock absorption and pressure resistance 3. Wear-resistant and durable, long service life 4. Easy to install and remove, can be used as spare tire 5. Inner tire for: 8 x 1.50/1.95; outer tire for: 8 x 1.50 6. Weight: inner tire about 60g; outer tire about 240g; inner and outer tire about 345g
