TSDZ2B, TSDZ8 and TSDZ16 Mid-Drive E-Bike Conversion Kit with Torque Sensor, 250W to 1000W, for 68–73mm BB
Why buy from us
- Priced below the high street, every day.
- Stock held in the UK, dispatched from Leicester.
- Tracked courier with SMS updates.
- Real people on the phone, Monday to Friday.
Delivery & returns
Tracked UK delivery, typically 5-7 working days from dispatch. You'll get a text with a delivery window on the day.
Changed your mind? Send it back within 30 days for a refund or exchange. No restocking fee.
Payment & security
Card, PayPal, Apple Pay, Shop Pay and Klarna. Every payment is taken on Shopify's secure checkout, and we never see your card details.
Need a hand?
Not sure this is the right size or spec? Message us before you order and we'll check it for you.
This torque sensor mid-drive e-bike conversion kit is available as the TSDZ2B (36V 250W or 48V 500W), TSDZ8 (48V 750W) or TSDZ16 (48V 1000W). The built-in torque sensor adjusts assistance to how hard you pedal for a natural riding feel, and the motor works with your bike's existing gears.
Key Features
- Torque sensor – assistance responds to pedalling force
- Four motor versions – 250W, 500W, 750W and 1000W
- Display options – SW2-M58, VD18MT touch screen, DZ40 mini, EKD01 or VD04 Bluetooth
- Brake options – power-off brake lever or brake sensor
- Thumb throttle and speed sensor included
Motor Comparison
- TSDZ2B 36V 250W: 80Nm, IPX5, approx. 3.82kg, 42T chainring
- TSDZ2B 48V 500W: 80Nm, IPX5, approx. 3.86kg, 42T chainring
- TSDZ8 48V 750W: 120Nm, IPX5, approx. 4.78kg, 44T chainring
- TSDZ16 48V 1000W: 160Nm, IPX6, approx. 6.21kg, 46T chainring
Compatibility
- Bottom bracket width: 68–73mm only
- Not suitable for carbon frames or bikes with coaster brakes
- Not usually compatible with fat bikes
What's in the Box
- Mid-drive motor unit
- Speed sensor and cable
- Thumb throttle
- Chainring with guard and crank arms
- Power-off brake levers or brake sensor
- Selected display
- Installation tools
UK Legal Use
Conversion kits rated above 250W, or that provide throttle power above 4mph (6km/h), do not meet UK Electrically Assisted Pedal Cycle (EAPC) rules. A bike fitted with such a kit may only be used on private land with the landowner's permission unless it is registered, taxed and insured as a motor vehicle. Professional installation is recommended.
Delivery
Free UK delivery on this product, tracked. Typically 5-7 working days from dispatch, with a tracking link by email as soon as it leaves the warehouse.
We deliver to mainland UK addresses. Highlands, islands and Northern Ireland may take a few days longer.
Returns
30 days to change your mind. Send it back for a refund or exchange with no restocking fee.
For anything too large to post we arrange collection. Items should be in their original packaging where possible.
How long does delivery take?
Typically 5-7 working days from dispatch, tracked, anywhere in the UK.
Is assembly required?
Most items arrive flat-packed with marked parts and an instruction guide.
Can I return a large item?
Yes, within 30 days. We arrange collection for anything too large to post.
Customer reviews
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