Workshop

Brakes

- TRP Evo Pro scores top marks for usability and modulation, offers strong braking power and wins the test.
- Lever feel is sensitive, intuitive and easy to adjust; constant pressure points and robust lever geometry are convincing in practical use.
- In the laboratory, the braking force of 80 N is on a par with the best, reaches a maximum of 963 N and passes all heat and wet tests.

Must-have: The TRP Evo Pro wins the disc brake comparison test

- Trickstuff Piccola HD combines extremely low weight (213 g) with high braking power, but is not ahead in all disciplines in the laboratory.  
- In practice, the four-piston brake shows very strong deceleration, but with a soft, poorly defined pressure point and an unfamiliar lever feel.  
- The 3D-printed titanium lever offers high strength, good grip and silky-smooth operation, but requires fine-tuning with an Allen key without tool-free adjustment.

Trickstuff Piccola HD on test: This lightweight brake bites mercilessly!

BRAKES

- Air bubbles in the hydraulic system make the pressure point spongy, increase the lever travel and reduce braking performance to a safety-critical level.  
- Air penetrates when the system is opened, through leaks, temperature fluctuations and brake fading and gradually collects in the system.  
- Professional bleeding with suitable tools, original oil, correct caliper alignment and regular checks ensures reliable braking performance.

Air in the brake line: Bleeding the disc brake - why it's so important

- Hydraulic disc brakes adjust themselves, so pad wear often goes unnoticed until metal rubs against the disc.
- Check pads regularly by visual inspection, at the latest critically below 1 mm friction material; metallic scratching means: stop immediately.
- Check disc thickness with calipers, observe minimum thickness (MIN TH); if disc is worn, replace pads and disc together.

Brakes at the limit: How to recognise when discs and pads are due

- DOT: higher boiling point (230-260 °C), but hygroscopic, more susceptible to ageing, corrosive to paint and skin, regular replacement necessary.  
- Mineral oil: lower boiling point (~190 °C), but not hygroscopic, easier to clean, non-toxic, gentle on paintwork and skin, needs to be changed less frequently.  
- DOT and mineral oil must never be mixed, incorrect fluid destroys seals and can lead to sudden brake failure.

Brake fluid: DOT or mineral oil - which is the best brake fluid?

Lots of power, wrong timing: Magura Gustav Pro in a disc brake comparison

- Hope Tech 4 Evo GR4 offers high braking power with low hand force and an easily adjustable, rather soft pressure point
- High-quality CNC production, easily adjustable lever width and pressure point; criticism of DOT brake fluid and lever ergonomics for small hands
- Top values in dry braking, only midfield in the wet; loud noise under load can be annoying in continuous use

Best values in the lab test: Hope Tech 4 Evo GR4 in a disc brake comparison

- Pressure point on the brake lever early and defined, otherwise air in the system or pad wear; change DOT fluid every two years.
- Check brake pads, discs, callipers and rim flanks for minimum thickness, grooves, dirt and foreign bodies, clean or replace if necessary.
- Replace rim brake pads if grooves have disappeared, remove aluminium particles; keep Bowden cable running smoothly, correctly fitted and secured.

Bicycle brakes: the most important tips for the spring check

- Sintered pads are hard, low-wear, heat-resistant and constant on long, wet descents, but louder and less snappy in normal operation.
- Organic pads are softer, quieter, easier to modulate and offer high braking performance at normal temperatures, but wear out more quickly.
- Sintered pads are suitable for frequent and bad weather riders, while organic pads are the more versatile all-round solution for most riders.

Metallic or organic: which brake pad gets the most out of your disc brakes

- The Hayes Dominion A4 showed weak dry braking performance but very strong wet braking performance in the laboratory test with recommended metallic brake pads.  
- In practice, it offers sufficient power, very precise modulation and excellent lever ergonomics with suitable pads.  
- BIKE evaluates brakes according to the DIN standard on the test bench as well as in extensive practical tests with standardised test conditions.

Hayes Dominion A4 disc brake comparison: The pads ruined everything

- Low weight, low price and good-natured modulation, but outdated concept and lagging behind the competition.
- Standard dispersion: sometimes hard pressure point at the front, different behaviour of the front and rear brakes, limited lever width adjustment.
- Sufficient braking force in partial load operation, but high manual force required; clearly inferior on long descents and in the laboratory in power and wet conditions.

Unreliable and comparatively weak: the Formula Cura 4 has room for improvement

- F-Vision two-piston brake achieves best braking force values in the comparison test and outperforms all four-piston models tested.  
- Huge 28 mm stainless steel pistons, large pads and a solid disc provide over 20 % more piston surface area than the Sram Maven, for example.  
- Points of criticism: high weight, digital pressure point without adjustment, small lever adjustment range and slippery, smooth lever surface.

Fahrwerker F-Vision: This two-piston disc brake decelerates incredibly!

Brakes for bikes: Test reports & recommendations ✓ Guides: Replacing brakes correctly ✓

Brakes for bikes: Current test reports | BIKE

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Brakes for bikes: Current test reports | BIKE

Must-have
The TRP Evo Pro wins the disc brake comparison test

Trickstuff Piccola HD on test
This lightweight brake bites mercilessly!

Air in the brake line
Bleeding the disc brake - why it's so important

Brakes at the limit
How to recognise when discs and pads are due

Brake fluid
DOT or mineral oil - which is the best brake fluid?

Lots of power, wrong timing
Magura Gustav Pro in a disc brake comparison

Best values in the lab test
Hope Tech 4 Evo GR4 in a disc brake comparison

Bicycle brakes
The most important tips for the spring check

Metallic or organic
Which brake pad gets the most out of your disc brakes

Hayes Dominion A4 disc brake comparison
The pads ruined everything

Unreliable and comparatively weak
The Formula Cura 4 has room for improvement

Fahrwerker F-Vision
This two-piston disc brake decelerates incredibly!

Brakes for bikes: Current test reports | BIKE

Must-haveThe TRP Evo Pro wins the disc brake comparison test

Trickstuff Piccola HD on testThis lightweight brake bites mercilessly!

Air in the brake lineBleeding the disc brake - why it's so important

Brakes at the limitHow to recognise when discs and pads are due

Brake fluidDOT or mineral oil - which is the best brake fluid?

Lots of power, wrong timingMagura Gustav Pro in a disc brake comparison

Best values in the lab testHope Tech 4 Evo GR4 in a disc brake comparison

Bicycle brakesThe most important tips for the spring check

Metallic or organicWhich brake pad gets the most out of your disc brakes

Hayes Dominion A4 disc brake comparisonThe pads ruined everything

Unreliable and comparatively weakThe Formula Cura 4 has room for improvement

Fahrwerker F-VisionThis two-piston disc brake decelerates incredibly!

Must-have
The TRP Evo Pro wins the disc brake comparison test

Trickstuff Piccola HD on test
This lightweight brake bites mercilessly!

Air in the brake line
Bleeding the disc brake - why it's so important

Brakes at the limit
How to recognise when discs and pads are due

Brake fluid
DOT or mineral oil - which is the best brake fluid?

Lots of power, wrong timing
Magura Gustav Pro in a disc brake comparison

Best values in the lab test
Hope Tech 4 Evo GR4 in a disc brake comparison

Bicycle brakes
The most important tips for the spring check

Metallic or organic
Which brake pad gets the most out of your disc brakes

Hayes Dominion A4 disc brake comparison
The pads ruined everything

Unreliable and comparatively weak
The Formula Cura 4 has room for improvement

Fahrwerker F-Vision
This two-piston disc brake decelerates incredibly!