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Tektro Disc Brake - HD-E350 - Hydraulic

Tektro Disc Brake - HD-E350 - Hydraulic

The Tektro HD-E350 brake is the perfect upgrade to any eBike requiring a brake with a motor cut of...

Best current price£100.00from Evans Cycles UK

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Evans Cycles UKTektro Hd-E350 Disc Brake With Cut Off Left Hand Black
£4.99 delivery
£100.00
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FrasersTektro Hd-E350 - Disc Brake With Cut Off - Black - Left Hand
Free delivery in 1–3 days
£100.00
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Sports Direct UKTektro Black Hd-E350 - Disc Brake With Cut Off in Size Left Hand, Sports Direct
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£100.00
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Product Information

Full details

The Tektro HD-E350 hydraulic disc brake is designed for eBike riders seeking a reliable and powerful braking upgrade, especially those needing a motor cut-off function. Its key benefit is the integrated power cut-off sensor for eBike motors, ensuring safety during braking. A potential consideration is that it is sold without a disc rotor, which must be purchased separately. This brake features a powerful two-piston caliper, an ergonomic lever with reach adjustment, and a pre-bled system for easy installation.

All features

SeriesHD-E350
Model Part Number4717592040098
BrandTektro

Extended Product Information

FAQs

Do I need to bleed the brakes after installing them?

No, the Tektro HD-E350 features the EZ Plug-in system, meaning it comes pre-bled and pressure tested. Installation involves connecting the hose to the lever, which requires no bleeding.

What type of brake fluid does this brake use?

This brake uses Tektro TRP mineral oil. It is crucial to only use mineral oil and never DOT fluid, as DOT fluid will damage the brake's internal seals.

Is a disc rotor included with the brake?

No, the disc rotor is not included. You will need to purchase a compatible disc rotor (1.8mm thickness recommended) separately.

Can I use this brake on both the front and rear of my eBike?

Yes, the HD-E350 is available as a Left or Right hand set. You can purchase the appropriate lever (left for rear, right for front in most configurations) to use it on both wheels.

How do I connect the motor cut-off wire?

The brake includes sensor cable connectors. You will need to join the brake's motor cut-off wire to your existing eBike motor wiring harness using these connectors. Ensure a secure and proper connection.

What is the hose length?

The hose length for the Tektro HD-E350 is 1.9 meters.

Are replacement brake pads available?

Yes, low-noise resin brake pads are used, and they are designed for easy replacement. All parts, including brake pads, are available as spares.

Troubleshooting

Brake lever feels spongy

While the EZ Plug-in system is pre-bled, ensure all connections (hose to lever, hose to caliper) are secure. If the issue persists, a full bleed may be required using Tektro TRP mineral oil and appropriate bleeding tools.

Motor cut-off not functioning

Check the connection of the sensor cable to your eBike's wiring harness. Ensure the connection is secure and correctly wired according to your eBike manufacturer's specifications. Inspect the sensor wire for any damage.

Brake noise (squealing or grinding)

Ensure the brake pads are correctly seated and the rotor is clean and free from debris. Contaminated pads or rotors can cause noise. If noise persists, try replacing the resin brake pads. Bed in new pads properly.

Brake lever does not return fully

Check that the lever is not obstructed by other components on the handlebar. Ensure the internal spring mechanism within the lever is clean and free of debris. Inspect the cable connection at the lever.

Weak braking performance

Verify that the disc rotor and pads are clean. Check brake pad wear and replace if necessary. Ensure the caliper is properly aligned with the rotor. Confirm the brake line is not kinked.

Pros and Cons

Pros

  • Integrated motor cut-off for eBike safety.
  • Pre-bled system (EZ Plug-in) for easy, mess-free installation.
  • Powerful hydraulic 2-piston braking performance.
  • Ergonomic lever with adjustable reach.
  • Low-noise resin pads for smooth stopping.
  • Availability of spare parts for maintenance.

Cons

  • Disc rotor is not included and must be purchased separately.
  • Sold as Left or Right hand set only, requiring purchase of both for front and rear.
  • Hose length is fixed at 1.9m, which may not suit all bike configurations without modification.
  • Requires specific Tektro TRP mineral oil for maintenance.

Setup, Compatibility & Care

Setup:

The Tektro HD-E350 features the EZ Plug-in system, meaning it arrives pre-bled and pressure tested. The hose and lever are not attached, but connecting them is straightforward.

  1. Unpack all components.
  2. Carefully insert the barb into the end of the hose.
  3. Insert the olive over the hose end.
  4. Thread the compression nut over the olive and hose.
  5. Insert the hose end into the lever assembly.
  6. Tighten the compression nut securely.
  7. Attach the lever to your handlebar using the two-piece clamp.
  8. Connect the motor cut-off sensor wire to your existing eBike wiring using the included cable connectors. Ensure a secure connection.
  9. Mount the caliper to your frame's post mount using the provided bolts.
  10. Important: A disc rotor (1.8mm thickness recommended) is required but not included; it must be purchased separately and installed on your wheel hub.

Compatibility:

  • Mounting: Features a Post Mount caliper, compatible with most modern mountain bike and eBike frames/forks designed for post-mount disc brakes.
  • Hose Length: 1.9 meters. Ensure this length is sufficient for your frame routing.
  • Motor Cut-off: Designed to integrate with existing eBike motor wiring. Users should verify compatibility with their specific eBike system.
  • Disc Rotor: Requires a separate disc rotor of 1.8mm thickness.

Care:

  • Cleaning: Regularly clean the caliper, rotor (if installed), and lever with a mild degreaser and water. Avoid harsh chemicals that could damage seals or finishes.
  • Pad Replacement: Resin brake pads are designed for easy replacement. Consult the Tektro manual or a local bike shop if unsure.
  • Brake Fluid: Uses Tektro TRP mineral oil. Only use mineral oil; *never* use DOT fluid, as it will damage the system. Top-ups or bleeds (if ever needed beyond the initial setup) require specific mineral oil.
  • Periodic Checks: Regularly check brake pad wear and hose integrity.

Price History

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