This is the 2026 first-edition official owner’s manual for the TLG DUO Class 3 cargo electric bicycle, which meets international safety standards EN ISO-4210, 16 CFR 1512 and EN 15194, and integrates systematic guidance covering safety rules, vehicle hardware parameters, battery management, control panel operation, maintenance, fault diagnosis and after-sales guarantee.
It starts with core safety mandates: riders must be aged 16 or above and wear helmets at all times; any self-modification to electrical circuits, frame structure or transmission parts will invalidate the whole warranty; a four-level hazard marking system (Notice, Caution, Warning, Danger) is adopted to distinguish risks from minor part abrasion to fire and fatal accidents. The manual lists full specs of this heavy-duty step-through cargo e-bike: a 750W rated/800W peak IPX6 waterproof rear hub motor with 100Nm torque, Tektro HD-E3120 hydraulic disc brakes (203mm front rotor + 180mm rear rotor) with motor cut-off sensors, a detachable IP67 48V 15Ah LG lithium main battery compatible with an optional 720Wh rear rack auxiliary battery, and a maximum total load of 191kg. A complete bolt torque specification table and illustrated adjustment tutorials for handlebars, brake levers and locking grips are attached, with a key safety warning that fully squeezed brake levers must not touch handle grips to avoid brake malfunction.
A standalone chapter elaborates full lithium-ion battery operation specifications, including key-locked disassembly and installation procedures, standardized charging steps only for the original BC & UL certified GaN 54.6V 2A charger (charging environment limited to 10–25°C, full charging takes up to 9 hours), multi-layer low-power sleep and deep sleep protection activated at different low-battery thresholds, and long-term indoor storage requirements that batteries need to be kept at 40%–75% charge in dry constant-temperature areas to prevent permanent capacity loss.
The manual fully introduces the matched RM06C 7-key handle controller and DM06 color LCD screen: users can switch six pedal assist gears from OFF to NITRO BURST, toggle between torque and cadence sensor modes to match riding habits, activate walk assist only when off the bike, operate separate left/right turn signals and double-click hazard flashers, and switch auto-sensing headlights to manual mode. Four interchangeable display pages show real-time speed, trip data, dual battery voltage & charge cycle records, assist mode usage proportion, and advanced ride metrics including average/max motor power, rider-motor output ratio, cadence, heart rate and calorie consumption. Customizable functions are also supported: metric/imperial unit switching, adjustable screen auto-off duration, user-set 4-digit unlock passwords, Bluetooth pairing for up to 9 mobile devices, remote parameter modification via TLG mobile app, OTA firmware upgrades, maintenance pop-up alerts at 1500km and 5000km, and a complete electrical error code table with matching fault explanations and troubleshooting solutions.
Other core contents include illustrated full unboxing and assembly steps, systematic pre-riding safety checklists for brakes, tires, wiring, steering and battery locking, graded maintenance cycles (break-in period, weekly, monthly service), tire inflation and wheel truing guidance, anti-corrosion & waterproof precautions prohibiting high-pressure water flushing, detailed troubleshooting tables for common failures such as power outage, charging error and insufficient range, cargo and passenger carrying regulations requiring low-center-of-gravity loading and rear-priority braking, indoor & outdoor parking and vehicle transport rules (batteries must be detached and wrapped with fireproof bags during transit), and safe riding tips for flat roads, hills, night and rainy slippery surfaces.
The last part states official after-sales terms: original registered owners enjoy a 2-year full vehicle limited warranty and lifetime frame warranty, alongside the non-transferable 5-year TLG Total Shield discount plan that provides tiered price concessions on replacement parts if the bike is damaged or stolen. It also lists all wear-and-tear components excluded from warranty, and attaches complete brand support channels (official website, service hotline and customer service mailbox) for technical consulting, spare part procurement and warranty claim processing.
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