FOC sine-wave controller
Field-oriented control with hall input and self-learn. Noticeably quieter and cooler than square-wave at the same current.
| Voltage | 48 / 60 / 72 V |
|---|---|
| Rated current | 35 A (peak 80 A) |
| Protection | IP65, potted |
| Size | 148 × 82 × 43 mm |
The full range
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Control & electronics
Motor hall sensor kit
Three latching halls with heat-shrink and potting compound. The usual fix for a motor that stutters or refuses to start.
| Type | 41F latching |
|---|---|
| Wiring | 5-wire, 1.2 m |
| Temp range | -40 to 150 °C |
| Pack | 3 pcs + potting gel |
Hall throttle grip
Contactless hall output, so no wiper to wear out. Linear 0.8–4.2 V response, sealed to IP65.
| Output | 0.8 – 4.2 V |
|---|---|
| Connector | 3-pin SM |
| Cable | 1.8 m |
| Sealing | IP65 |
DC-DC converter, 12 V 10 A
Steps 48–90 V pack voltage down for lights, horn and USB. Synchronous buck, 93% efficient, fully potted.
| Input | 48 – 90 V DC |
|---|---|
| Output | 12 V / 10 A |
| Efficiency | ≈ 93% |
| Protection | IP67, OCP/OTP |
Drivetrain
Chain & sprocket kit, 428H
Pre-stretched 428H chain with hardened front and rear sprockets. Sold as a matched set so the wear stays even.
| Chain | 428H, 120 links |
|---|---|
| Sprockets | 14T / 38T |
| Tensile | 20 kN |
| Set weight | 2.8 kg |
HTD 8M belt & pulley kit
Glass-cord HTD belt for mid-drive builds. Runs dry, needs no lubricant, and sheds no metal grit onto the rim.
| Profile | HTD 8M |
|---|---|
| Width | 20 mm |
| Length | 1200-8M |
| Temp range | -30 to 120 °C |
Hub motor reduction gearset
Three-stage carburised planetary set, case-hardened to HRC 58–62. The part that fails first when a hub motor is overloaded.
| Ratio | 1 : 9.6 |
|---|---|
| Stages | 3-stage planetary |
| Material | 20CrMnTi, HRC 58-62 |
| Noise | under 68 dB |
Structure & fasteners
Front suspension fork, 620 mm
31 mm stanchions with 80 mm travel and adjustable preload. Fits the common 10-inch e-moto head tube.
| Travel | 80 mm |
|---|---|
| Stanchion | Ø31 mm |
| Length | 620 mm |
| Weight | 3.4 kg / pair |
Rear shock absorber, 280 mm
Oil-damped unit with a 550 lb/in spring and threaded preload collar. Rebuildable, unlike most sealed originals.
| Eye to eye | 280 mm |
|---|---|
| Travel | 60 mm |
| Spring | 550 lb/in |
| Mount | Ø10 mm eye |
Fastener & connector kit
A2-70 stainless bolts in the four sizes that actually round off, plus IP67 sealed connectors. Sold as one workshop kit.
| Bolts | M6/M8, A2-70 |
|---|---|
| Connectors | IP67, 2–6 pin |
| Contents | 120 pcs + 10 plugs |
| Packing | Compartment box |
Lighting & wiring
LED headlight unit, wide input
Runs straight off 12–80 V, so it survives pack-voltage sag without a converter. Cast housing, IP67.
| Input | 12 – 80 V DC |
|---|---|
| Output | 1200 lm, 6000 K |
| Housing | Die-cast aluminium |
| Protection | IP67 |
Waterproof wiring harness
Eight circuits in 18 AWG with sealed 2–6 pin plugs. Labelled per circuit, which halves diagnostic time on the bench.
| Circuits | 8 |
|---|---|
| Wire | 18 AWG, tinned copper |
| Connectors | IP67, 2–6 pin |
| Length | 1.6 m |
Digital & AI credits
China AI credits & membership top-up
Overseas cards are rejected by most Chinese AI platforms. We top up API credits or paid membership on your own account, or hand you an OpenAI-compatible relay endpoint — your choice.
| Platforms | DeepSeek / Qwen / Kimi / GLM |
|---|---|
| Denomination | ¥100 – ¥5,000 |
| Delivery | within 1 business day |
| Access mode | own account or relay |