Redcat Ascent-18 Apex 1/18 4WD RTR Brushless Rock Crawler is a ready-to-run Ascent-18 Apex built for technical rocks, indoor courses, and demanding micro-crawler lines. It uses 3450Kv brushless 4WD and includes portal axles, high-steer geometry, aluminum chassis rails, metal ring-and-pinion gears, and full ball bearings. The brushless system adds torque, wheel speed, and efficiency while the compact chassis stays maneuverable on tight obstacles. Factory electronics include a 3450Kv brushless motor, three-channel brushless ESC, metal-geared steering servo, and 2.4GHz radio, giving the micro crawler more torque, wheel speed, and efficiency than the brushed version. Official dimensions: 222 mm long, 143 mm wide, 98 mm high, with a 156 mm wheelbase. Battery: Included. Charger: Included. Power package: includes factory 7.4V 2S LiPo battery and USB or balance charger supplied with the model.