Component 3 · EV Two-Wheeler

Traction Motor

Turns electricity into motion — the heart of power & speed.

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What it is & why it matters

Traction Motor

The motor converts battery energy into wheel torque. Hub motors sit in the wheel (simple, cheap, easy CKD); mid-drive sits at the crank (better weight balance, climb). Rated power (W) and rated voltage decide your top speed and hill-climbing.
Key specs to check
Type Hub / Mid-drive

Hub = simple CKD; Mid = better climb

Rated power 500 W – 8000 W

Pakistan road legal often ≤ 2000–3000 W

Voltage 48V / 60V / 72V

Must match battery & controller

Rated speed ≤ 3000 rpm

Higher rpm needs bigger sprocket for speed

Cooling Air / Liquid

Liquid for continuous high load

Ingress IPX5+

Dust & water resistance for rainy roads

How to choose for Pakistan
  • Match voltage to your battery (72V motor on 72V pack).
  • Size power to use: 1000–2000 W for city, 3000–5000 W for load/hills.
  • Hub for cheapest CKD; mid-drive if you climb loaded.
  • Confirm IP rating and hall-sensor availability for controller pairing.
Common buying mistakes
  • Over-power for road use — >3000 W can fail PK licensing & insurance.
  • Voltage mismatch burns the windings on first ride.
  • No hall sensors → controller can't commutate smoothly.
Related YBNIU parts
Buyer FAQ

Common questions

Hub is cheaper and simplest to CKD; mid-drive climbs better and balances weight. Pick by terrain & load.
Most provincial rules cap e-motorcycle motor power around 2000–3000 W; confirm with your local traffic authority.
A 60V motor on a 72V pack overheats; a 72V motor on 48V is weak. Match all three: battery, controller, motor.
Need a tailored quote? Message YBNIU on WhatsApp →
← 电动车选购科普 · 第 3 / 12 个部件
它是什么、为何重要

驱动电机

电机把电池能量转化为车轮扭矩。轮毂电机嵌在轮里(简单、便宜、易 CKD);中置电机在脚踏处(配重更好、爬坡强)。额定功率(W)与额定电压决定极速与爬坡能力。
要看的关键规格
类型 轮毂 / 中置

轮毂=易 CKD;中置=爬坡更强

额定功率 500 W – 8000 W

巴基斯坦上路常限 ≤ 2000–3000 W

电压 48V / 60V / 72V

须匹配电池与控制器

额定转速 ≤ 3000 rpm

更高转速需更大链轮换取速度

冷却 风冷 / 液冷

持续重载选液冷

防护 IPX5+

雨天防尘防水

如何为巴基斯坦选型
  • 电压须匹配电池(72V 电机配 72V 电池包)。
  • 按用途选功率:城市 1000–2000 W,重载/山路 3000–5000 W。
  • 要最省 CKD 选轮毂;载货爬坡选中置。
  • 确认防护等级与霍尔传感器,以便与控制器配对。
常见采购误区
  • 功率过大——超 3000 W 可能不符巴基斯坦牌照与保险。
  • 电压不匹配,一上路就烧绕组。
  • 无霍尔传感器 → 控制器无法平顺换相。
YBNIU 相关部件
买家问答

常见问题

轮毂更便宜、最易 CKD;中置爬坡更好、配重佳。按地形与载重选。
多数省份将电摩电机功率限制在约 2000–3000 W,请以当地交管部门为准。
72V 电池包接 60V 电机易过热;48V 接 72V 电机无力。电池、控制器、电机三者须一致。
需要定制报价?在 WhatsApp 联系 YBNIU →
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