Rim 8.0 x 5.5 Inch - 4/110 - SILVER - Aluminum - Hammerhead, TrailMaster Go-Kart 612034 These come with either 15

These come with either 15 or 17 teeth in the middle hole

Speed Sensor with 3-Wire Plug

aggressive riders will benefit from the superior performance of race-proven Kevlar

Chongquing and Bashan 300cc

Rim 8.0 x 5.5 Inch - 4/110 - SILVER - Aluminum - Hammerhead, TrailMaster Go-Kart 612034 These come with either 158 x 5. 5 Inch Front Rim 4x110 This rim fits the front wheel on several models of Hammerhead and TrailMaster go karts including the 150 XRX and 300 XRX. We have the same size in silver steel, black steel and silver aluminum. This is the silver aluminum. Please look at pictures and description before ordering. If you're having trouble figuring out the size of your rim, CLICK HERE! Rim description: Silver Aluminum Eight rectangular openings in bolt