Fat-Tire Mountain Bikes
Burchda Bikes Released the 'RX80' for Stable Riding
Colin Smith — October 3, 2025The RX80 from Burchda Bikes is a full‑suspension fat‑tire electric mountain bike offered with multiple motor and battery configurations, including a standard 1000W peak brushless hub motor and optional dual‑motor 2000W peak setups, paired with a removable 48V 20Ah battery and an optional 48V 40Ah double‑battery configuration to extend range and capacity. The bike is specified with 26" x 4.0" fat tires, a double‑crown front fork, a seven‑speed drivetrain, hydraulic disc braking on higher trims, an LCD display with USB charging, and a stated top speed of up to 28 mph with pedal‑assist ranges cited to about 65 miles under assist conditions.
Burchda positions the RX80 as a value‑focused off‑road e‑bike, highlighting a reported load capacity near 500 lb, 95% pre‑assembly delivery, and a two‑year warranty with on‑site diagnostic and maintenance services; the online product page lists bundled accessories including a rear rack, metal fenders, phone holder, pump, lock, and mirror for certain packages. The product page also compares the RX80 to peer models on metrics such as price, motor power, range, and weight and provides configurable purchase options (motor power and single or double battery) to address different rider priorities and use cases.