BMG E-Bikes
Surface604 Twist 48V Folding Fat Tire Electric Bike
Surface604 Twist 48V Folding Fat Tire Electric Bike
The Surface604 Twist 48V is a versatile folding electric bike designed for riders who want power, convenience, and portability in one compact package. With its low step-through folding frame and one-size-fits-all geometry, it's easy to store, transport, and take with you wherever you go.
Built with 20x4.0" fat tires and a reliable 500W Bafang motor, the Twist delivers a stable and capable ride across a variety of terrain — from city streets to gravel paths. Whether you're commuting, exploring, or packing it into your trunk for a weekend trip, this bike is ready to adapt. Equipped with full fenders and a rear luggage rack, it's designed for real-world use, helping you stay clean and carry what you need on every ride.
Why riders choose the Twist 48V:
- Folding design for easy storage and transport
- Fat tires for stability and all-terrain capability
- 500W Bafang motor (peaks at 750W) with 80Nm torque
- Rear rack for carrying gear or groceries
- Full fenders for cleaner riding in all conditions
Perfect for:
- Riders with limited storage space
- Travelers and RV users
- Commuters needing portability
- Casual riders wanting a compact, capable e-bike
Key Features:
- Motor: 500W Bafang Geared Rear Hub (peaks at 750W), 80Nm torque
- Battery: 48V 14Ah / 672Wh Samsung Lithium-Ion 18650 cells (integrated)
- Range: Up to 45 miles (72 km)
- Top Speed: Up to 20 mph (~32 km/h)
- Charge Time: 3–4 hours
- Frame: Folding, low step-through, 6061 aluminum alloy
- Tires: CST Big Boat, 20" x 4.0" fat tires
- Class: Class 2 (Class 3 ready)
- Max Capacity: Up to 285 lbs
Bike Components:
- Motor: 500W Bafang Geared Rear Hub Brushless (peaks at 750W)
- Drive Mode: Drop-out torque sensing pedal assist with thumb throttle
- Torque: 80Nm
- Controller: Surface604 designed, 12 MOS, 48V 500W 25A smart controller
- Battery: 48V 14Ah / 672Wh Samsung Lithium-Ion 18650 cells (integrated)
- Battery Charge Time: 3–4 hours
- Display: Surface604 Color LCD with USB jack, 3.5"
- Lights: BÜCHEL "Shiny 120" LED headlight + rear LED light
- Fork: Rigid cruiser front fork
- Frame: Folding, low step-through, 6061 aluminum alloy, internal cable routing
- Stem: Folding stem
- Derailleur: SRAM X5, 9 Speed, short cage
- Cassette: SRAM X5, 12-36T with 44T chainring
- Shift Levers: SRAM X5 Trigger Shift
- Brakes: Tektro Auriga Hydraulic Disc, post mount, with motor inhibitors
- Rotors: 180mm front & rear, 2.34mm thick
- Crankset: SAMOX 38T front sprocket, 170mm crank arms
- Bottom Bracket: SAMOX sealed
- Pedals: Wellgo platform with die-cast body
- Chain: KMC 9-Speed
- Tires: CST Big Boat, 20" x 4.0", all-purpose
- Saddle: Selle Royal Gel "Essenza Plus" with elastomer, adjustable up to 9°
- Seat Post Diameter: 30.4mm
- Standover Height: 16.5" (419mm)
- Rider Height: 5'2" – 6'6"
- Net Weight (with battery): 28.1 kg (62 lbs)
- Net Weight (without battery): 24.4 kg (53.8 lbs)
- Battery Weight: 3.63 kg (8.0 lbs)
In-Store Experience Upgrade:
Available in-store for an additional $150, which includes:
- Professional assembly and full safety check
- Personalized setup for comfort and performance
- Warranty support and service guidance
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