OBX GT73 (Grey)

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The OBX GT73 is an off-road fat-tire electric bicycle with motorcycle/dirt-bike styling. It pairs a 2000W peak rear hub motor with a 52V 27Ah (1404Wh) 21700-cell battery for a claimed 100-120 km range in electric mode, reaching up to 70 km/h (43.5 mph). Features full suspension (upside-down front fork plus rear shock), front and rear hydraulic disc brakes, fat off-road tires, an LED headlight with turn signals, and a chain-drive pedal/pedal-assist drivetrain.

In brief: Fat Tire. 52V 27Ah battery. Unclassified / Off-Road. Up to 70 km/h. From $2125.

Specs verified Jun 26, 2026

Where to Find

Prices tracked across 1 seller

AliExpress - Cycling Circle Store

$2,124.57 + free shipping

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Specifications

Classification

E-Bike Class: Unclassified / Off-Road
Bike Type: Fat Tire

Motor

Motor Position: Rear Hub
Peak Wattage: 2000W
Top Assist Speed: 70 km/h

Battery

Voltage: 52.0V
Capacity: 27Ah
Energy: 1404Wh
Chemistry: Li-ion
Estimated Range: 100 km – 120 km
Removable: No

Frame & Build

Frame Style: Moped / Motorcycle Style
Folding: No

Drivetrain & Brakes

PAS Levels: 5
Throttle: Yes
Brakes: Hydraulic Disc

Features

Suspension: Full Suspension
Integrated Lights: Yes
UL Certified: No
Color: Grey