36V 48V TSDZ2 Mid Motor Bare Controller, 8PIN Built-in Controller for Tongsheng TSDZ2 / TSDZ2B E-bike Central Motor

Original Tongsheng TSDZ2 / TSDZ2B built-in bare controller, 8PIN version without throttle function, 36V /48V, 250W & 350W & 500W. Direct replacement for TSDZ2 mid-drive ebike motor, comes with warranty.

E-Bike Parts
E-Bike Conversion Kits
Contact Us

TSDZ2 / TSDZ2B Built-in Bare Controller for Tongsheng Mid-Drive E-bike Motor

This is the original built-in bare controller specially manufactured for Tongsheng TSDZ2 and TSDZ2B central mid drive motors. It serves as a direct replacement control board to fix faulty or broken TSDZ2 mid motors, restoring your e-bike power system to factory working status.

This listing is for the 8PIN version without throttle function, available in 250W/ 350W /500W power rating and 36V /48V voltage options.

Compatibility

✅ Tongsheng TSDZ2 Mid Drive Motor

✅ Tongsheng TSDZ2B Mid Drive Motor

✅ Supports PAS, Hall Sensor, Phase Line, Display and Speed Sensor signal connection

Specifications Table

ParameterDetails
Product NameTSDZ2 / TSDZ2B Built-in Bare Controller
Version8PIN, No Throttle Function
Power Rating250W/ 350W / 500W
Voltage Option36V / 48V
MaterialComposite Material
ColorSilver
Packing Dimension130mm × 80mm × 90mm
Package Includes1 × Bare Controller (Complete wiring harness included)
FeaturesDirect plug & play replacement, original circuit design

Wiring Port Definition

  • Hall effect sensor: Motor hall signal connector
  • PAS: Pedal Assist Sensor connector
  • Phase line: 3-phase motor power wires
  • Power supply: Battery power input port
  • Display: E-bike screen connector
  • Velocimetry: Speed sensor connector

Key Features

✅ Original replacement controller, stable output and reliable performance, comes with after-sale warranty.

✅ Direct drop-in replacement for damaged TSDZ2 / TSDZ2B mid motor control board.

✅ 8PIN model without throttle function, supports PAS pedal assist riding mode.

✅ Multiple voltage & power choices: 36V/48V, 350W/500W for different ebike build.

✅ Pre-wired complete harness with clearly defined ports for simple installation.

Important Notices

  1. This is 8PIN version without throttle function, please double check your original controller pin definition before ordering.
  2. Only bare controller included. Motor, battery, display and other accessories shown on wiring diagram are NOT included.
  3. Color difference may exist due to lighting and screen display. Manual measurement tolerance: ±1~3cm.
  4. Professional ebike technician installation is recommended. Wrong wiring may burn the controller.

testimonials

What Our Riders Say

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.

Mark Wilson Repair Technician

Flexible mixed‑batch ordering is a game‑changer for my business. Low‑risk trial‑order options, fast delivery and solid OEM‑ODM service help me expand my product range with zero inventory pressure.

Jennifer Carter Wholesale

We have been sourcing e‑bike components from them for over one year. Product quality is consistent, and their responsive after‑sales support makes our daily shop‑running much easier. Highly recommended.

Ryan Thompson ebike shop owner

Got More question?

For more FAQs and further details, please get in touch with us

faqs

Frequently Asked Questions

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.