Dualtron

Articles, guides, and products tagged "Dualtron" — a combined view of every catalogue resource on this topic.

User guide

Hydraulic disc brakes on an electric scooter: bleeding, DOT vs mineral oil, pads, common mistakes

How hydraulic brakes work on an electric scooter, why ALL common scooter brake brands (TRP/Tektro, Magura MT, Nutt, Zoom, Xtech) run on mineral oil rather than DOT, which symptoms mean it is time to bleed, how to two-syringe bleed Nutt/Zoom (15 ml, T10 at the lever, T15 at the caliper) and gravity-bleed Magura/Tektro, how to pick and bed-in organic / sintered / semi-metallic pads, the ~500 km pad life on Apollo, and which mistakes to avoid. Built on the Magura MT owner's manual (2017), Tektro's Bleed Procedure PDF, EScooterNerds, Fluid Free Ride, BikeRadar, RevRides, and Levy Electric.

14 min read

User guide

Regenerative braking on electric scooters: physics, settings, limits, and common mistakes

What regenerative braking on an electric scooter actually is, how it works physically (back-EMF, BLDC motor as a generator), why the real range gain is 2–5 %, not the marketing 15–30 %, why regen drops out at full battery and in cold weather, how to tune its strength on popular platforms (Xiaomi M365 / Mi 4 Pro, Segway-Ninebot Max G30, EY3 in Dualtron / Kaabo / Speedway, Apollo Phantom), and what mistakes to avoid. Built on Battery University BU-409/BU-410, Apollo Scooters engineering posts, Levy Electric measurements, Rider Guide P-setting tables, ScooterHacking wiki, and Henry Stanley's M365 manual.

12 min read

User guide

Riding in the rain: IP protection in practice, stopping distance, drying protocol

What IP54 / IPX5 / IP67 actually means for everyday wet-weather riding, why manufacturers (Xiaomi, Segway-Ninebot, Apollo, Dualtron) explicitly recommend in their own manuals avoiding heavy rain and deep puddles for the very same models that carry an IP rating, how to adjust speed and stopping distance, how to dry the scooter correctly after a wet ride, and what to never do with a wet scooter. The article builds on the IP-protection profile in the suspension-wheels-IP section, manufacturer manuals (Xiaomi Mi Electric Scooter, Segway-Ninebot Max G30, Apollo City Pro), and the primary standard source — IEC 60529 / EN 60529.

10 min read

User guide

Transporting your e-scooter: car, train, plane — watt-hour limits and carrier rules

How to transport an e-scooter in the trunk of a car (wheel orientation, tie-down, Li-ion storage temperature window), on trains in different countries (Amtrak ≤22.7 kg + tire ≤2″ + UL certification, Deutsche Bahn folded → 700×500×300 mm as hand baggage, TfL and Network Rail UK with a blanket ban on e-scooters since 2025, Eurostar ban with a children's kick-scooter exception ≤85 cm), and on aircraft (IATA DGR / FAA PackSafe / UK CAA: ≤100 Wh — carry-on, 100–160 Wh — only with airline approval and max 2 spare, >160 Wh — forbidden on passenger flights, which automatically rules out almost every consumer model: Xiaomi M365 280 Wh, Mi 4 Pro 446 Wh, Apollo City 624 Wh, Apollo Phantom ~1217 Wh, NAMI Burn-E 2 Max 2304 Wh, Dualtron Thunder >2500 Wh). Concrete policies of Delta, United, Southwest, JetBlue, American, Air Canada, WestJet — all ban recreational lithium-powered rideables. Why: FAA SAFO 10017 / SAFO 25002 on thermal runaway, IATA 30 % SoC recommendation 2025 → mandatory 2026, mandatory 49 CFR 173.185 and UN 38.3 for shipment.

13 min read

User guide

Battery Charging Rules and Care: 20–80 % Window, BMS Temperature, Smart Chargers, Where and How to Charge

Why charging is one of the two biggest sources of e-scooter problems (alongside crashes): dendrites below 0 °C permanently destroy capacity (Battery University BU-410), full charging keeps a pack to only 80 % of its life vs 200 % with a 25–80 % window (BU-808), storage at 100 % SoC at room temperature gives ~80 % after a year vs ~96 % at 40 % SoC (BU-702). FDNY 2024 records 277 fires and 6 deaths in New York (67 % drop in fatalities after NYC Local Law 39 requiring UL 2271/2272/2849). Specific figures from Xiaomi 6 Max (5–40 °C charging) and 6 Ultra (8–40 °C), Segway-Ninebot (Max G30: 'over 50 °F / 10 °C'), Apollo Charging Best Practices (20–80 % daily, 50–70 % storage, top-up every 1–2 months), smart chargers with 80 / 90 / 100 % cutoff (Apollo / NAMI / Dualtron / Fluid FreeRide), five steps UK OPSS, FDNY protocol 'not in bedroom, not on couch, not near exits'.

13 min read

History of electric scooters

Minimotors and the birth of the hyperscooter class: from Goped distributor in Busan to OEM foundation of the performance segment (1999–2026)

A dedicated historical profile of the South Korean company Minimotors — founded in 1999 in Busan as a motor-boards distributor, becoming the Korean exclusive partner of the American brand Goped in 2006 (and launching Silverwing, an electric scooter for seniors), incorporated in 2010 with HQ moved to Ilsan (Gyeonggi-do), launching the Speedway sub-brand in 2014, creating the Dualtron MX and EX in September 2015 — the world's first production dual-hub-motor AWD electric scooter, breaking out the Dualtron Ultra line as the first hyperscooter in 2017, pushing the platform to 5.4 kW with Thunder in 2018, releasing the Eagle Pro with a 3.6 kW twin-motor pair in November 2019, simultaneously launching Storm Limited (84 V × 45 Ah, 74.5 mph), X Limited (12 kW peak, 5,040 Wh, 65+ mph) and Thunder 2 (10 kW peak) in 2021, moving the platform to the EY4 LCD with IPX7 and adding a swappable battery in the Storm UP in 2024, and closing the cycle in 2025 with Thunder 3 (62+ mph, 100-mile range, IPX5, NUTT 4-piston). The profile is the logical counterpart to Segway-Ninebot: one OEM foundation of the consumer/sharing class, the other of the performance/enthusiast class. The role of the EY3 and EY4 controller-displays is laid out as an industry reference (Kaabo Wolf Warrior 11 borrows EY3 from Thunder), alongside coexistence with the Speedway/Rovoron/Kullter/Futecher sub-brands, relationships with the Weped spin-off (CEO Sang Wook Jeon, 2014) and the Chinese Kaabo (Zhejiang Kaabo Electronic Technology, 2013), the distributor-network architecture (Minimotors USA, VORO Motors as the international distributor from Singapore, Dualtron Nordic, Dualtron UK, Fortunati in Italy, Smartwheel in Canada), and the effect of the 5 November 2019 Singapore PMD ban on regional demand.

13 min read

Types of electric scooters

Off-road electric scooters: a separate class with 8–11 kW, hydraulic suspension and its own legal reality

Profile of the off-road / hyperscooter class of electric scooters: dual-motor 5–11 kW layouts on 72 V Li-ion 21700, hydraulic suspension (KKE, Logan), 4-piston hydraulic brakes, 10–11″ tires, 45–55 kg mass. Legal status: private land only in the UK, outside eKFV in Germany, outside PLET in Ukraine. Reference examples: Dualtron Thunder 3, NAMI Burn-E 2, Kaabo Wolf King GT Pro, Apollo Phantom, Weped SST/GTR. Injury data from JAMA Network Open 2024 and CPSC 2017–2024.

13 min read