ARISUN - 20 X 4 BIG SMOOTHY BICYCLE TIRE 3 layers are meticulously constructed

3 layers are meticulously constructed for maximum functionality

a versatile powerhouse that combines a high-powered 1

6061 Double-Butted Aluminum Alloy with Internal Battery WEIGHT

and BG 86 C-E

35 Liter Capacity

ARISUN - 20 X 4 BIG SMOOTHY BICYCLE TIRE 3 layers are meticulously constructedProduct Details Inverted continuous center tread is formed by dimpled diamond design with narrow grooves between blocks to decrease rolling resistance and provide a smooth ride over hard surfaces Diamond pattern becomes progressively larger and more aggressive as it approaches the sidewall Larger side knobs produce better grip and traction when riding thru gravel, dirt, and snow