The Scott Lumen 905 is a breakthrough in electric mountain biking, delivering the weight and ride feel of a traditional cross-country bike with the power of a stealthy e-MTB. Built around a featherlight HMX carbon frame with Integrated Suspension Technology and Flex Pivot design, it features a 140 mm FOX 34 Rhythm fork and a full suspension system tuned for agility and capability. Powered by the compact 50 Nm TQ HPR50 motor paired with a 360 Wh internal battery (expandable with a 160 Wh range extender), it is purpose-engineered for confident, high-performance trail riding that stays light and responsive—perfect for racing, technical terrain, and long-effort adventures.
FEATURES
Lightweight carbon frame – HMX Carbon with Integrated Suspension Technology and Flex Pivot ensures responsive, agile handling
Balanced suspension – FOX 34 Rhythm 140 mm fork paired with FOX NUDE 6T EVOL 130 mm rear shock with TwinLoc system for tailored ride modes
Powerful, compact assist – TQ HPR50 mid-drive motor delivers 50 Nm torque in a low-profile package
Expandable battery capacity – 360 Wh internal battery complemented by an optional 160 Wh range extender, all compatible with integrated mounting
Next-gen transmission – SRAM S1000 AXS 12-speed wireless drivetrain for fast, reliable shifting
Hydraulic stopping power – Shimano Deore 4-piston disc brakes with 180 mm rotors front and rear
Performance wheels & tires – Syncros X-30S rims (tubeless ready) and Schwalbe Wicked Will 29 × 2.4″ EVO tires for traction and smooth rolling
Clean, integrated design – Syncros cable integration, TwinLoc remote, and compact TQ top-tube display keep the cockpit sleek and functional
SPECIFICATIONS
Max System Weight: 128 kg (bike, rider, gear combined)
Frame Material: HMX Carbon with UDH interface and Integrated Suspension Technology
Fork: FOX 34 Float Rhythm Air Grip, 140 mm travel, 3-mode, rebound adjust, Kabolt axle
Shock: FOX NUDE 6T EVOL Trunnion, Scott custom, 3 modes: Descend, Traction Control, Lockout—130 mm travel
Headset: Syncros-Acros adjustable, ±0.6° head angle, ZS56 integration
Drivetrain & Controls: SRAM S1000 Eagle AXS Transmission, 12-speed, wireless
Crankset & Chain: FSA alloy crank with SRAM GX Eagle chain
Brakes & Rotors: Shimano Deore 4-piston with 180 mm rotors
Wheels: Syncros X-30S TR, 32H, 30 mm internal, tubeless-ready
Tires: Schwalbe Wicked Will EVO 29 × 2.4″ (Speed Soft front, Speed Grip rear)
Cockpit: Syncros Fraser 2.0 DC Alloy handlebar 760 mm, DC 2.0 stem, Performance XC grips
Seat & Dropper: Syncros Tofino 2.0 saddle, Syncros Duncan 2.0 dropper (125–170 mm travel based on frame size)
Motor: TQ HPR50, 50 Nm torque, harmonic drive system, 1.8 kg power-to-weight
Battery: TQ 360 Wh internal, compatible with 160 Wh range extender (bottle mount)
Display & Connectivity: TQ top-tube LED display + handlebar remote; Bluetooth and ANT+
Geometry (Head Tube Angle / Reach / Stack): 65.5° head angle; reach 416–501 mm; stack 615–638 mm (Frame Size Dependent)
