Made of water resistant PVC/TPU

making the Apex a true powerhouse

Control Interface Ports: USB

which deliver faster acceleration and greater hill-climbing power

Everything you love about the original Big Sur is back

S&M Bikes Trackmark Tire 24″x1.75″ - Black ElectricGOBIKE Made of water resistant PVC/TPUThe Trackmark is our race tire. Designed with a lightweight folding Kevlar bead and a lightweight and strong high TPI race casing to get you up to speed quickly and hold tight in fast turns. The Trackmark center tread is broken to increase acceleration and braking traction and to further reduce weight. Its a smooth, fast tire designed for todays hard packed and paved tracks and is available in multiple 20" and 24" sizes. Features: 24" x 1. 75" Made