Tongsheng TSDZ2 Crank Arm Replacement – 170mm Black E-Bike Crank

Tongsheng TSDZ2 Replacement Crank Arm

This replacement crank is designed for compatible
Tongsheng TSDZ2 mid-drive motor systems.
It is intended for riders replacing a worn, damaged or missing crank on a
TSDZ2-equipped electric bicycle.

The current product specification lists a
17cm / 170mm length, black finish and an approximate
400g weight per pair.

Product Specifications

When Should You Replace a TSDZ2 Crank?

A replacement crank may be needed when the original crank is damaged,
worn or no longer mounts securely to the motor spindle.

If your crank repeatedly becomes loose, inspect both the crank mounting
surface and the motor spindle before installing a replacement. Continuing
to ride with a loose crank can damage the mounting interface.

Check Compatibility Before Buying

This product is listed for the Tongsheng TSDZ2, but
TSDZ2 installations and replacement crank designs can vary.
Before ordering, check the following:

1. Motor model:
   Confirm that your e-bike uses a Tongsheng TSDZ2 mid-drive motor.
2. Crank length:
   The current product specification lists a length of 17cm / 170mm.
3. Mounting interface:
   Compare the crank mounting opening with your original crank and the
   product photos.
4. Left and right configuration:
   Check which crank component you need before ordering.
5. Clearance:
   Make sure the replacement crank will have sufficient clearance around
   the motor housing and bicycle frame.

Installation Reminder

Install the crank fully and securely on the motor spindle before riding.
After the first few rides, check the crank again for movement or loosening.
Do not continue riding if the crank does not seat correctly or repeatedly
comes loose.

Related Tongsheng TSDZ2 Repair Parts

The crank is only one part of the TSDZ2 drivetrain and repair system.
You can also browse compatible replacement gears, controllers, sensors,
chainring parts and other TSDZ2 components.

Browse Tongsheng TSDZ2 Parts →

Frequently Asked Questions

Is this crank designed for the Tongsheng TSDZ2 motor?

Yes. The current product specification lists this replacement crank for
the Tongsheng TSDZ2 mid-drive motor.

How long is the TSDZ2 crank?

The current product specification lists the crank length as
17cm / 170mm.

What color is the crank?

The listed color is black.

Will every 170mm bicycle crank fit a TSDZ2 motor?

Do not assume compatibility from length alone. The mounting interface,
crank shape and clearance around the motor housing also need to match.
Compare your original crank carefully before ordering.

Does this listing include both left and right crank arms?

The current product information states a weight of approximately
400g per pair, but the package quantity is not explicitly confirmed in
the available product data. Please confirm the required side or package
contents before ordering if this is important for your replacement.