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- dafuli01@ebikeserviceparts.com
Tongsheng TSDZ8 mid drive motor clutch big gear, high strength metal replacement spare part for TSDZ8 ebike mid motor repair. Precise dimension, wear-resistant, direct fit for TSDZ8 mid-drive electric bike motor.
✅ Exclusively for Tongsheng TSDZ8 mid drive electric bike motor
✅ Repair replacement for damaged / worn original clutch big gear
✅ For ebike repair shop, DIY ebike rebuild and spare parts stocking
| Parameter | Value |
|---|---|
| Outer Diameter | 109.8 mm |
| Gear Pitch Circle Diameter | 98.7 mm |
| Top Flange OD | 65 mm |
| Middle Boss OD | 47 mm |
| Inner Bore Diameter | 36.9 mm |
| Total Height | 41.5 mm |
| Fit Motor Model | Tongsheng TSDZ8 Mid Drive Motor |
| Material | High-strength alloy metal, surface hardening treatment |
✅ Direct Fit for TSDZ8 Mid Motor
Precisely machined to match Tongsheng TSDZ8 mid drive motor. No modification required, direct replacement for original clutch big gear.
✅ High Strength & Wear Resistance
Adopts alloy metal with surface hardening heat treatment. Strong anti-fatigue performance, withstand repeated torque load during riding, extend service life.
✅ Complete Clutch Gear Assembly
Integrated structure with clutch friction component and gear teeth. Ready-to-install assembly, saves your disassembly & assembly time during motor overhaul.
✅ Strict Dimension Control
Each part is machined with tight tolerance to guarantee smooth meshing, reduce noise and avoid gear jumping during motor operation.
✅ Professional Ebike Repair Spare Part
Ideal spare inventory for ebike service stores, also great for DIY users to overhaul and restore TSDZ8 mid drive motor performance.
Product Name: TSDZ8 Mid Motor Clutch Big Gear
Compatible Motor: Tongsheng TSDZ8 Mid Drive Motor
Material: High-strength alloy metal
Processing: CNC machining + surface hardening
Fit Type: Original replacement part
Weight: Refer to physical product
Application: E-bike mid drive motor repair & maintenance
⚠️ This gear is only compatible with Tongsheng TSDZ8 mid drive motor, NOT fit TSDZ2, TSDZ2B or other Tongsheng mid motor models.
⚠️ Professional installation is recommended. Please check dimensions and motor model before purchase to avoid mismatch.
⚠️ Product photo is for reference, please refer to physical item.
⚠️ Inspect the gear and clutch friction plate together during overhaul; replace worn friction parts simultaneously for best performance.
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.
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.
