Vee Tire Co. Speedster Tire - 20 x 4.0, Clincher, Wire, Black, Endurance, Override E-Bike R-50The Speedsters minimal tread pattern and low profile honeycomb center tread keep rolling resistance down to a minimum. The diamond shaped side lugs get increasingly bigger from the center towards the outside to increase cornering grip. Designed for hard pack or paved terrain, the Speedster is effortlessly fast in the dry and sheds water efficiently in the wet Product Specifics Flat Protection: Tread and Sidewall TPI: 26 Color: Black Weight: 1775