
TongSheng TSDZ16 mid‑drive ebike conversion kit, 48V 1000W rated power, max 160Nm torque, internal controller, dual‑side axial torque sensor. Great upgrade alternative to Bafang BBSHD. IPX6 waterproof, fits 68/73mm BB for MTB & city bike.
The TongSheng TSDZ16 mid‑drive motor is a powerful mid‑crank e‑bike conversion system, designed as a high‑performance upgrade alternative to Bafang BBSHD. Built‑in integrated internal controller and genuine dual‑side axial torque sensor, it delivers smooth, responsive pedal‑assist output and massive climbing torque for mountain trails, heavy‑load hauling and high‑speed city riding.
Motor weight only 6 kg with compact housing. It supports three working modes: Pedal Assist Mode, Throttle Ebike Mode and Walk Assist Mode. Max speed reaches 55‑60 km/h, rated efficiency ≥80%, reduces power consumption and extends riding range.
✅ Rated Voltage: 48V
✅ Bottom Bracket: 68mm /73mm wide BB (Inner diameter 33.5mm)
✅ Bike Type: Mountain Bike, City Bike ❌ Not compatible: Carbon fiber frames
✅ Operating Temperature: -20℃ ~ +45℃
| Item | TongSheng TSDZ16 | Bafang BBSHD |
|---|---|---|
| Rated Power | 1000W | 1000W |
| Max Torque | 160Nm | 160Nm |
| Motor Net Weight | 6 kg | 5.6 kg |
| Sensor | Dual‑side axial torque sensor | PAS speed‑only sensor (no native torque sensor) |
| Controller | Internal integrated controller | Internal integrated controller |
| Waterproof Grade | IPX6 (high‑pressure water‑jet resistant) | IP65 (low‑pressure water‑jet resistant) |
| Noise Level | ≤60dB | <55dB |
| BB Compatibility | 68mm /73mm | 68mm /100mm /120mm |
| Top Speed | 55‑60 km/h | 50+ km/h |
| Rated Efficiency | ≥80% | ≥80% |
IP note:IPX6 withstands high‑pressure powerful water jets; IP65 withstands low‑pressure water jets, both are dust‑tight.
1 × TongSheng TSDZ16 Mid Drive Motor
1 × LCD Display (Option: VLCD5 / B02NU)
1 pair × Crank Arms
1 × Thumb Throttle
1 pair × E‑Brake Levers
1 × Speed Sensor
1 × Main 1T4 Wiring Harness
1 × Wiring Cover
Full set of lock nuts, brackets, washers & mounting hardware
✅ 160Nm Heavy‑Duty Torque: 48V 1000W rated power, peak torque up to 160Nm, excellent hill‑climbing and heavy‑payload performance, comparable peak torque output to Bafang BBSHD.
✅ Dual‑side Axial Torque Sensor: Bilateral real‑time torque detection, more natural and sensitive pedal‑assist response compared to speed‑only PAS sensor systems, accurately matches rider’s pedaling force.
✅ Built‑in Internal Controller: All‑in‑one compact structure without external controller, cleaner wiring layout, simpler installation and lower risk of cable damage.
✅ Enhanced IPX6 Ingress Protection: IPX6 rating resists high‑pressure water jets, offers stronger water‑jet defence versus IP65; reliable for heavy‑rain off‑road and muddy trail conditions.
✅ Low‑Noise & High‑Efficiency: ≤60dB running noise, ≥80% rated efficiency to conserve battery capacity for longer mileage.
✅ Three Practical Working Modes: Pedal assist, throttle mode and walk‑assist mode. Flexible for uphill pushing, daily commuting and trail riding.
✅ Easy Retrofit for 68/73mm BB: Direct fit for standard 68mm or 73mm bottom‑bracket frames. Extra mounting washers supplied for 73 mm BB installation. Not suitable for carbon‑fiber frames.
✅ Complete Full Kit: All mounting hardware included in one package, multiple LCD display options for selection.
Ideal upgrade alternative for riders seeking improvement over Bafang BBSHD, ebike builders, bike repair workshops and wholesale distributors for MTB & city e‑bike conversion projects.

We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
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For more FAQs and further details, please get in touch with us
We supply genuine OEM parts and premium compatible aftermarket replacement parts for e-bikes, including motor components, controllers, throttles, PAS sensors, wiring harnesses, connectors and Bosch form-factor batteries.
We serve mainstream drive system manufacturers: Ananda, Bafang, Aikema, Tongsheng, Shengyi, Bosch and more. We also provide repair components for complete e-bike brands including Sur‑Ron, Aventon, Trek and many others.
All items are brand-new and inspected before shipment. We do not supply second-hand or refurbished goods.
Our team verifies compatibility according to your bike model, motor info or original part photos. We confirm available OEM parts or recommend workable alternative solutions.
Yes. Flexible order sizes are supported, ranging from single spare parts to bulk purchases.
Sea freight, air freight and rail transport are optional.
Lead time varies by item and shipping mode. We confirm exact timelines before each order and share tracking updates.
We provide part identification, model matching and full order follow-up support.
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