Warp 9 SwitchBack Tire The Warp 9 Switch Back is a dual-sport electric dirt bike tire built for riders who refuse to choose between pavement and trail. One tire. Every terrain. No compromises. Available Sizes 19x2.75 — fits standard 19-inch electric off-road and e-moto wheels. Front or rear fitment. 16x3.5 — fits 16-inch wide-profile electric off-road wheels. Front or rear fitment. Note: rear fitment may require a dished wheel to clear the chain. Why Riders Choose the SwitchBack Narrow knobby tread — grips dirt, gravel, hardpack, and pavement without swapping tires between sessions 4-ply carcass — tough enough for aggressive off-road riding, puncture-resistant enough for everyday commutes Front & rear compatible — both sizes work in either wheel position for complete setup flexibility Dual-sport performance — one tire handles street, trail, gravel, and mixed-terrain riding Good to Know Not intended for extended highway or freeway speeds Best suited for mixed-terrain, trail, and recreational riding 16x3.5 rear fitment may require a dished rear wheel to clear the chain