ARRMA 3S BLX Line-Up has been updated and the 1/8 Typhon, 1/10 Senton, 1/10 Granite and 1/10 Big Rock Crew Cab come now equipped with the high-quality SpektrumRC STX2 radio and IC5 connectors. Thanks to the power of the 3S LiPo, these brushless vehicles can reach top speeds of up to 50+ mph.