BASIC-Line, Wire, 22 TPI, Black / Reflective For e-bikes up to 25 km/h, the BASIC-Line features a 0.7 mm thick rubber layer between the inner casing and the tread. It prevents sharp objects from penetrating the tire. This series is perfectly suited for city use and light touring. Protection Level 1 Article Type Version Wire bead E-bike type ready ETRTO 53-507 Features Reflective Area of use City/Trekking Main color black Wheel size 24 " TPI / EPI 22