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Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 2
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 3
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 4
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 5
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 6
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 7
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 8
Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part - Image 9

Hydraulic Mechanical Brake Cut‑Off Sensor for Bafang BBS01 BBS02 BBSHD & Tongsheng TSDZ2B TSDZ8 TSDZ16 Mid‑Drive Motor, 3‑Pin Waterproof Plug‑and‑Play E‑Bike Conversion Part

Aftermarket hydraulic & mechanical brake cut‑off sensor fits Bafang BBS01/BBS02/BBSHD & Tongsheng TSDZ2B/TSDZ8/TSDZ16 mid‑drive motors. 3‑pin waterproof, 36V/48V up to 1000W, plug‑and‑play, retain original brake levers. Bulk custom available.

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Hydraulic & Mechanical Brake Cut‑Off Sensor for Aftermarket Mid‑Drive E‑Bike Kits

This aftermarket brake cut‑off sensor is engineered to work with popular aftermarket mid‑drive conversion motor systems. It triggers motor power‑cut signal while braking, achieving seamless integration with your existing e‑bike power system without replacing your original brake levers.

Compatibility

✅ Fits Bafang mid‑drive motors: BBS01, BBS02, BBSHD

✅ Fits Tongsheng mid‑drive conversion series: TSDZ2B, TSDZ8, TSDZ16

✅ Brake Type: Hydraulic brake / Mechanical brake

✅ System Voltage: 36V, 48V

✅ Power Range: 250W, 350W, 500W, 750W, up to 1000W

✅ Install Position: Front brake & Rear brake

Precise Specifications

ParameterValue
Product NameBrake Cut‑Off Sensor
ManufacturerSuzhou Mingsheng
ConnectorSealed 3‑Pin Waterproof Connector
Supported Voltage36V / 48V
Max Supported Motor Power1000W
FunctionCut motor power upon braking, retain original brake levers
CustomizationCustom service available for bulk / batch orders

Package Includes

1 × Brake Cut‑Off Sensor Set (for front & rear brake)

Key Features

✅ Wide Aftermarket Mid‑Motor Compatibility: Compatible with Bafang BBS01, BBS02, BBSHD, as well as Tongsheng TSDZ2B, TSDZ8, TSDZ16 mid‑drive conversion motors. Works reliably across 36V‑48V systems from 250W up to 1000W.
✅ Works with Hydraulic & Mechanical Brakes: Versatile sensor fits both hydraulic and mechanical brake setups. No requirement to swap out your original brake levers for easy system upgrade.
✅ Sealed 3‑Pin Waterproof Connector: Waterproof sealed 3‑pin connector resists moisture and dust, guarantees dependable signal transmission in rainy, damp and all‑weather riding conditions.
✅ Plug‑and‑Play Installation: Direct plug‑in connection, no extra wiring modification needed. Preserves your factory brake hardware, ideal for DIY e‑bike conversion projects.
✅ Front & Rear Brake Application: Can be fitted for both front and rear brake, triggers motor power‑off once braking is activated to improve riding safety.
✅ Bulk Customization Support: Manufactured by Suzhou Mingsheng, custom‑made service is available for wholesale batch orders.

Specifications

Brand: Aftermarket spare part
Manufacturer: Suzhou Mingsheng
Product Name: Hydraulic & Mechanical Brake Cut‑Off Sensor
Connector: Sealed 3‑Pin Waterproof Connector
Supported Voltage: 36V / 48V
Supported Motor Power: 250W‑1000W
Compatible Motors: Bafang BBS01, BBS02, BBSHD; Tongsheng TSDZ2B, TSDZ8, TSDZ16 mid‑drive motor
Fit Brake: Hydraulic brake, Mechanical brake
Install:  Brake lever
Color: As shown in the picture
Custom Note: Custom service for bulk orders
Package:1 × Brake Cut‑Off Sensor Set

Important Notes

⚠️ This is an aftermarket replacement sensor, NOT original Bafang product. Please confirm your motor model and controller supports 3‑pin brake signal input before ordering.
Minor color differences may appear due to lighting conditions and screen display variations.
Only items listed in packing list are included; other accessories shown on reference photos are not contained.
Cost‑effective conversion spare for ebike repair shops, DIY conversion enthusiasts and wholesale distributors. Custom solution can be discussed for large‑volume orders.
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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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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.

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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.

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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.