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Tongsheng DZ-2 36T nylon replacement gear for old version TSDZ2 mid drive torque motor. Fits 250W/350W/500W 36V/48V TSDZ2 ebike motor. Not for TSDZ2B. Built with nylon + metal, 56g, pre-installed 609 bearing & HF1216 one-way bearing.
DZ-2 nylon gear is original replacement spare part for old Tongsheng TSDZ2 mid-drive torque motor. It is a common maintenance component to replace worn or damaged internal gear inside TSDZ2 ebike mid motor. Constructed with high strength nylon body plus metal bearing assembly, this 36-tooth gear delivers low noise, good wear resistance and stable power transmission during long riding.
⚠️ Important Compatibility Warning: This gear ONLY fits old TSDZ2 motor. It CANNOT be installed on TSDZ2B motor.
✅ Motor Model: Tongsheng TSDZ2 (Old Version Torque Mid Motor)
✅ Rated Power: 250W / 350W / 500W
✅ Voltage: 36V / 48V
❌ Not compatible: TSDZ2B motor
| Parameter | Value |
|---|---|
| Model | TSDZ2 |
| Teeth | 36 Teeth (36T) |
| Material | High strength Nylon + Metal Bearings |
| Weight | 56g |
| Outer Diameter | 38mm |
| Width | 25mm |
| Inner Hole | 9mm |
| Bearings | 609 bearing + HF1216 one-way bearing pre-installed |
| Color | Blue |
✅ 36-Tooth OEM Replacement Gear: Direct replacement for worn internal gear of TSDZ2 mid motor, perfect for motor overhaul & repair.
✅ Nylon + Metal Composite Structure: Nylon gear reduces running noise and vibration; built-in metal bearings ensure smooth rotation and long service life.
✅ Pre-assembled Bearings: Comes with 609 bearing and HF1216 one-way bearing pre-installed, saves your assembly time during repair.
✅ Wide Power Compatibility: Works for 250W,350W,500W TSDZ2 torque motor, 36V and 48V versions.
✅ Lightweight & Durable: Only 56g, strong anti-wear performance for ebike daily off-road and commuting use.
1 × Tongsheng DZ-2 36T Nylon Gear (with pre-installed bearings)
⚠️ This part ONLY works for old TSDZ2 motor, NOT for TSDZ2B motor. Please confirm your motor model before ordering.
⚠️ Professional ebike motor disassembly skill is required for installation.
⚠️ This is a single replacement gear only; motor housing, stator and other internal parts are not included.
⚠️ Check motor label carefully to distinguish TSDZ2 vs TSDZ2B to avoid wrong purchase.
We specialize in mid-drive motors and e-bike parts. Strict testing, powerful R&D and flexible OEM service guarantee long-term cooperation.
It used to take me weeks to hunt down hard‑to‑find e‑bike spare parts. Their compatibility‑check technical support saved me countless repair headaches. Reliable supplier I can always count on.
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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.
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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.
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