This is a pair of Velocity 2.2? 4wd Front Yellow Wheels for XB4. Pro-Line has you covered with lightweight and durable 4wd front racing wheels for the Xray XB4 buggy. The Wheels feature the latest in style and performance that will make your buggy look good racing around the track. The wheels are stiffer than the stock wheels which provide more consistent bump handling performance and faster lap times. Pro-Line's Ty Tessmann debuted the new wheels at the 2017 ROAR Nationals where he dominated by taking the TQ and the Overall Win! Pro-Line's new wheels are ready to take your buggy to the front of the pack, so order some today!