Redcat Ascent-18 1/18 4WD RTR Brushed Rock Crawler is a ready-to-run Ascent-18 built for rocks, indoor obstacle courses, and compact outdoor trails. It uses brushed 4WD and includes portal axles, high-steer geometry, aluminum chassis rails, metal ring-and-pinion gears, and full ball bearings. The compact platform emphasizes controlled low-speed traction, useful ground clearance, and tight-line maneuverability. The installed package uses a torque-focused brushed motor, 2-in-1 ESC/receiver, proportional steering servo, and 2.4GHz transmitter. Official dimensions: 218 mm (8.58 in) long, 130 mm (5.12 in) wide, 114 mm (4.49 in) high, with a 155 mm (6.1 in) wheelbase. Battery: Included. Charger: Included. Power package: includes factory 7.4V 2S LiPo battery and USB or balance charger supplied with the model.