Losi 1/10 22s Sprint 2WD RTR Blue is a ready-to-run 22S Sprint built for prepared dirt ovals and loose-surface club-style racing. It uses rear-wheel drive with a race-oriented power system and includes a realistic sprint-car cage and body, adjustable suspension, and installed radio gear. The low center of gravity and oval-specific layout support controlled slides and consistent laps. The installed Spektrum Firma 45A Smart Lite ESC, Firma 3650 3300Kv brushless motor, S684 metal-geared steering servo, SR215 receiver, and SLT2 2.4GHz radio are matched to the rear-drive dirt-oval chassis; Losi rates the package for 25+ mph. Official dimensions: length 17" (432 mm), width 9.8" (249 mm), height 12" (305 mm), wheelbase 10.25" (260 mm). Battery: Required (sold separately). Charger: Required (sold separately). Recommended power package (sold separately): 7.4V 4000mAh 2S 30C Smart G2 Hardcase LiPo Battery: IC5 and LiPo balance charger rated for 2S with IC5 charge lead.