Specifications
Performance
Assist Speed: 28 MPH
Range: 93 Miles
Weight: 70.4 Lbs (32.1 Kg)
Maximum Load Capacity: 400 Lbs (181 Kg)
Electronics
Motor: Ananda@ M100 48V/500W (Peak 750W)Mid Drive Motor, 130N.m
Sensor: Torque Sensor
Battery: 48V 14.7Ah 705.6Wh Removable Lithium-ion Battery, Samsung Cells with BMS System, IP67 Waterproof
Charger: 54.6V/3A Fast Charger
Display: 1.9 Color TFT-LCD Display Adaptive Brightness, Bluetooth
Throttle: None
Front Light: High Beam/Low Beam
Tail Light: Constant Illumination / Brake Flashing
APP: VanLife App
Smart Control Module (T-Box): Internal 4G&GPS for Location Tracking, Anti-theft, Alarm
Component
Frame: 6061 Aluminum Alloy Frame. The frame strength test reaches 150% of ISO 4210 standard
Front Fork: Air Suspension Fork with Lockout 120mm Travel
Rear Derailleur: Shimano® CUES 4000, 9-Speed
Crankset: 42T Chainring, 170mm Crank
Cassette: Shimano® 9-speed cassette, 11-41T
Chain: Shimano® CN-LG500
Brakes: Tektro® 4-Piston Hydraulic Disc Brake 203mm Rotors
Rims: Aluminum Alloy, Double Wall
Front Hub: 15*150mm, Boost Thru-Axle
Spokes: 36*2 Stainless Steel Spokes
Tires: CST ® 26" *4.0" Tires, 60TPI
Tubes: CST ® 26"*4.0" Tubes
Handlebar: Zoom® Aluminum Alloy, 720mm length, 30mm rise, 9-degree back sweep
Stem: Aluminum Alloy Stem, 47.5mm, -10 degree
Seat Post: Dropper Seatpost, travel 150 mm, Dimension 30.9 mm, Length 445 mm
Saddle: Selle Royal® A069H Saddle
Fenders: None
Rear Rack: None
Grips: DDK® DGT-2200/B. Size 135 mm
Kickstand: Aluminum Alloy
Size: For Rider-5'5" - 6'3"(165~190cm)
Features
TBOX Smart Module with GPS, Auto-Unlock & SOS

Installed with the TBOX smart module, your e-bike connects to the Vanlife App for GPS tracking, auto-unlock when you approach, theft and movement alerts, SOS crash detection, and ride stats—offering safer, smarter, and more effortless riding every time.
760W Peak Powerful Mid-Drive Motor for All-Terrain Performance

Equipped with the Ananda® M100 48V/500W (Peak 760W) mid-drive motor delivering 130N.m torque, it offers stronger climbs, better balance, and a smoother, natural pedal feel—ideal for riders tackling steep hills, gravel paths, or any rugged terrain.
Removable Battery with Reliable Samsung® cells

48V 14.7Ah 705.6Wh removable battery enables convenient charging - take the battery, not the whole e-bike. UL-certified Samsung® cells ensure safety, while IP67 battery allows all-weather riding.
Powerful Design, 3X Durability

Experience premium craftsmanship with our seamless welding and unique cross-weave texture that changes with light. Automotive-grade finish with eco-friendly paint ensures 3X longer durability than standard e-bikes.
Instant Trail Control with One-Click Dropper

The GrandTeton Ultra’s 150 mm one-click dropper seatpost lets you lower your saddle on descents for confident, low-center-of-gravity control, then raise it for climbs to maximize pedaling power – all at the flick of a handlebar switch, without stopping.
Unlockable 28MPH Top Speed, Up to 93-mile Range

Experience thrilling 28 MPH speeds, enjoy the freedom of off-road riding. Advanced motor control algorithm and smart BMS deliver an impressive 93-mile range, allowing you to complete 5 round trips between Golden Gate Bridge and Sausalito!
Tektro® 4-Piston Hydraulic Brakes for Superior Control

Tektro® 4-piston hydraulic brakes with 203mm rotors deliver strong, controlled stopping and rapid heat dissipation. Compared to standard 2-piston systems, they offer wider contact, better modulation, and more stable performance on long descents or aggressive terrain.
120mm Air Fork with Lockout for Smoother All-Terrain Rides

The 120mm air suspension fork absorbs shocks from bumps and rough terrain for a smoother ride. Lighter and more adjustable than coil forks, it adapts to your weight and locks out for efficient climbing and stable handling on mixed surfaces.
Quality Above Standards & Safety First

Built to last with UL 2849 certification and 6-year frame warranty. Our frame surpasses ISO standards by 50% after 150,000+ fatigue tests, setting new benchmarks for e-bike durability and peace of mind.
Advanced Shimano® 9-Speed Rear Derailleur

Equipped with a premium 9-speed Shimano® CUES gear derailleur, offering smooth shifting and ensuring effortless control from flat road to steep hills, you can find the perfect gear for your riding style on any terrain.
Exclusive Integrated Auto-Braking Light Design

The integrated brake light's combine aesthetic design and safety. Intelligent brake Light senses your braking maneuvers, and immediately alerts the vehicle behind you, providing safe nighttime you can trust.
Explore range possibilities up to 185miles

GrandTeton features an additional battery port for extending range as needed. Vanpowers official extra battery also coming soon, doubling your range to 185 miles. Are you ready for longer adventures?
Next-Gen Torque Sensor

Unlike standard cadence sensor, the advanced torque sensor responds to every pedal stroke in real time, providing natural, dynamic, and accurate assistance when you need it most. It rides with you—not just for you.
5 Safety Certifications & 6-Year Warranty

Rigorously tested and certified to exceed industry standards with 5 safety certifications: UL 2849, UL 2271 (Battery), FCC, IC, and CA65 safety certifications. Backed by up to a 6-year warranty. Lets you focus on enjoying your ride worry-free.