The Cube Stereo Hybrid ONE44 HPC SLX 800 in Blackline blends stealthy aesthetics with high-performance trail capability, acting as an versatile e-MTB platform for long mountain loops and technical singletrack. Built on a lightweight C:62 Carbon monocoque front triangle paired with a durable 6061 T6 aluminium rear end, it delivers 150mm of front suspension travel and 140mm at the rear.
Under the hood, Bosch’s fifth-generation Performance Line CX motor provides up to 120Nm of torque, drawing power from a massive downtube-integrated 800Wh PowerTube battery managed by the top-tube-recessed Bosch Kiox 400C display.
Specifications Breakdown
E-Drive System
Motor: Bosch Performance Line CX (BDU38), Smart System, max 120Nm torque.
Battery: Bosch PowerTube 800Wh (Fully integrated, removable).
Display & Remote: Bosch Kiox 400C display (top-tube integrated) with Bosch Mini Remote.
Charger: Bosch 4A Charger.
Frameset & Suspension
Frame: C:62® Monocoque Carbon Front Triangle, Aluminium 6061 T6 Rear Triangle, Efficient Trail Control FSP 4-Link, Agile Trail Geometry, Boost 148, UDH™, Advanced Internal Cable Routing (ICR), Angle-Adjustable Headset, X-Connect Interface.
Fork: Fox 36 Float Performance GRIP, Tapered, 15x110mm Boost, E-Bike Optimized, 150mm travel.
Rear Shock: Fox Float Performance, 230x60mm (27.5": 210x55mm), 2-Position Lever, 140mm travel.
Headset: ACROS AZF-675, ICR, with Angle-Adjustment Fiber Inserts.
Seatpost: CUBE Dropper Post, Handlebar Lever, Internal Cable Routing, 31.6mm.
Drivetrain & Brakes
Rear Derailleur: Shimano XT RD-M8200-SGS, ShadowPlus, 12-Speed.
Shifters: Shimano Deore XT SL-M8210-IR, Direct Attach, Single Click.
Brakes: Shimano XT BR-M8220 Hydraulic Disc (4-Piston).
Rotors: Shimano XT Centerlock, 200mm Front / 200mm Rear.
Cassette: Shimano XT CS-M8200, 10-51T, 12-Speed.
Crankset: ACID MTB Hybrid Pro (27.5": 36T / 29": 34T) with Reverse Flip-Guide E-Chain Guide.
Chain: Shimano CN-M8100.
Wheels & Cockpit
Wheelset: Newmen Performance 30 base/strong, 28/32 Spokes, Tubeless Ready (SizeSplit: 27.5" on S / 29" on M-XL).
Front Tire: Continental Kryptotal Front, Enduro Soft, Tubeless Ready, 2.4".
Rear Tire: Continental Kryptotal Rear, Downhill Soft, Tubeless Ready, 2.4".
Cockpit: CUBE Rise Trail Bar 35 VariGrip System, CUBE Performance Stem E-MTB 35 FPI-Link.
Saddle: ACID Venec EMTB Trail 140.
Approx. Weight: 24.4 kg / 53.8 lbs (Max System Weight: 160 kg).
Key Highlights
Clean "Blackline" Stealth Styling: A classic black-on-black color scheme provides a understated, professional appearance that resists showing trail dirt and wear over time.
120Nm Bosch CX Motor & 800Wh Battery: Generating 120Nm of torque, the BDU38 drive unit offers plenty of muscle on steep inclines, paired with an 800Wh battery for multi-hour trail rides.
Shimano XT 4-Piston Brakes: Known for high stopping power and lever modulation, the full Shimano XT 4-piston brake set paired with dual 200mm rotors provides consistent control on long, steep descents.
Fox Performance Suspension: The Fox 36 Performance fork and Float Performance rear shock offer consistent damping and mid-stroke support through rock gardens and high-speed compressions.
Grippy Continental Kryptotal Rubber: Equipped with specialized front (Enduro Soft) and rear (Downhill Soft) Continental Kryptotal tires, the build provides dependable cornering bite and braking traction on loose terrain.