TSDZ16 Nylon Helical Gear Assembly with 16003RS Bearing, Replacement Gear Kit for Tongsheng TSDZ16 Mid-Drive E-Bike Motor Repair Spare Part

TSDZ16 Nylon Helical Reduction Gear Assembly for Tongsheng TSDZ16 Mid-Drive E-Bike Motor

This complete nylon helical reduction gear assembly is dedicated replacement spare part for Tongsheng TSDZ16 mid-drive e-bike motor. The first batch mass-produced TSDZ16 motors had inherent design weaknesses on the original reduction gear, leading to frequent gear damage and failure. This gear assembly is the direct OEM-size replacement to fix this common breakdown issue.

Compatibility

✅ Tongsheng TSDZ16 Mid-Drive E-Bike Motor (early batch version, high failure rate original gear)

This gear fits TSDZ16 mid motor only, NOT compatible with TSDZ2, TSDZ2B, TSDZ8 or other Tongsheng mid drive motor models.

Precise Dimensions & Parameters

Package Includes

1 × TSDZ16 Integrated Nylon Helical Gear Assembly (Nylon helical gear + metal pinion + pre-mounted 16003RS bearing)

Key Features

✅ Direct OEM Dimension Replacement: Exact same size as original factory gear, plug and play installation for TSDZ16 mid motor.

✅ Pre-fitted 16003RS Bearing: Fully pre-assembled unit, no separate bearing purchase needed for repair.

✅ Solve Common Early Batch Failure Issue: The first mass-production TSDZ16 motors have high incidence of original gear cracking/wear, this replacement gear fixes this widespread fault.

✅ Helical Gear Structure: Smooth and quiet transmission during riding, keeps the original running noise characteristic of TSDZ16 mid motor.

✅ Professional Repair Spare: Ideal spare inventory for ebike repair shops, DIY rebuilders and wholesale distributors for TSDZ16 service.

Specifications

Brand: After-market compatible for Tongsheng

Product Name: TSDZ16 Nylon Helical Reduction Gear Assembly

Model: For Tongsheng TSDZ16 Mid Drive Motor

Material: Nylon helical gear + metal pinion

Bearing: 16003RS (pre-installed)

Compatible Motor: Tongsheng TSDZ16 mid-drive ebike motor

Package Content: 1 × Complete gear assembly

Important Notes

Only compatible with Tongsheng TSDZ16 mid drive motor. Not fit for TSDZ2, TSDZ2B, TSDZ8 and other Tongsheng mid motor models. Please confirm your motor model before ordering. We recommend applying high-temperature ebike gear grease during installation to extend service life. Only the gear assembly is included; motor housing, chainring and other components shown in reference image are not included.