Hope Tech 4 TR4 Hydraulic Disc Brake - Right - Silver

The Tech 4 TR4 delivers Trail-proven power with balanced modulation. The one-piece TR4 caliper wit...

Best current price£199.00from Merlin Cycles

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Merlin CyclesHope Silver Tech 4 Evo Tr4 Braided Disc Brake - / Colours - / No Rotor / Right / Braided Hose
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£199.00
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Tweeks CyclesHope Tech 4 EVO TR4 Hydraulic Disc Brake - Silver / SilverFront Right HandBraided
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£199.00
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eBayHope Tech 4 EVO TR4 Hydraulic Disc Brake - Silver/Silver, Front R/Hand, Braided
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£209.14
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Product Information

Full details

The Hope Tech 4 TR4 is a premium four-piston hydraulic disc brake engineered for trail and all-mountain riders who prioritize consistent power and nuanced feedback. It is an excellent choice for enthusiasts seeking a firm, mechanical lever feel with precise control, though the manual-intensive installation and bleeding process may challenge riders who prefer plug-and-play simplicity. Featuring a one-piece caliper design and an updated master cylinder, this brake provides a 6.5% increase in braking ratio compared to previous models, ensuring reliable performance across demanding terrain.

All features

SeriesTech 4
Model Part NumberT4ET4SSBR
BrandHope

Extended Product Information

FAQs

Does this brake come with the rotor and adapter?

No, the Hope Tech 4 TR4 is typically sold as a brake assembly; rotors and mounting adapters must be purchased separately based on your frame and wheel setup.

Can I use E4 pads in the TR4 caliper?

The TR4 uses specific GR4 pads designed for the larger four-piston arrangement to achieve the improved braking ratio.

What is the benefit of the new cam design?

The new cam decreases the free lever stroke, providing a more immediate engagement point while maintaining excellent modulation.

How often should I bleed these brakes?

It is recommended to bleed them at least once per season or whenever the lever feel becomes noticeably spongy or inconsistent.

Is the lever reach adjustable while riding?

Yes, the Tech 4 TR4 features tool-free reach and bite point adjustments that can be safely manipulated while riding.

Troubleshooting

Mushy or inconsistent lever feel

Air is likely trapped in the system; perform a full bleed using the master cylinder port to ensure all internal air pockets are purged.

Brake pads dragging on the rotor

Ensure the caliper is correctly aligned and the pistons are fully retracted using a piston press tool before inserting new pads.

Lever feels stiff or sticky

Check the main pivot for debris and ensure the sliding guide bush is clean and lightly lubricated.

Pros and Cons

Pros

  • Significantly improved braking ratio over E4 models
  • Excellent, consistent lever feel with precise modulation
  • High-quality CNC machined finish
  • Tool-free reach and bite point adjustments
  • User-friendly master cylinder bleed port

Cons

  • Requires professional-grade knowledge for optimal bleeding
  • Higher price point compared to entry-level trail brakes
  • Heavier than minimalist two-piston alternatives

Setup, Compatibility & Care

Installation of the Hope Tech 4 TR4 requires standard hydraulic brake tools, including a bleed kit and compatible mineral oil or DOT fluid depending on your specific system specifications. Because the caliper is a one-piece CNC unit, ensure the mounting bolts are torqued to manufacturer specifications to avoid frame or adapter damage.

To ensure longevity:

  • Bleeding: Use the master cylinder bleed port regularly to keep the system free of air.
  • Cleaning: Periodically clean the caliper with isopropyl alcohol to ensure the pistons move freely and the pads remain free of contaminants.
  • Pads: Replace the GR4 pads once the compound depth falls below the manufacturer recommended threshold to maintain the 6.5% performance increase.

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