Test disc brakesGood function, but stable?

Peter Nilges

 · 09.06.2013

Test disc brakes: Good function, but stable?Photo: Wolfgang Watzke
Test disc brakes: Good function, but stable?
You have to be able to rely on a disc brake in every situation. We tested 12 current brakes in the laboratory and in practice. Not all of them are stable in extreme conditions.

There are many requirements that a modern disc brake must fulfil. Full braking power, good lever ergonomics, fine modulation, low weight, easy installation and, last but not least, solid stability.

To put all the criteria to the test, we once again set off on our notorious test track to Bolzano. 700 metres in altitude with a steep gradient. A real challenge for any brake. Not only for the heaviest of our test riders, weighing 95 kilos. We also measure the braking force during wet and dry braking on our own roller test bench in the BIKE laboratory, where we also carry out a four-stage fading test. The requirements of the test are based on real-life data.

You will find the following mountain bike disc brakes in the test:

- Avid XX Worldcup
- Avid X0 Trail
- Brakeforceone
- Formula R1 Racing
- Formula T1
- Hayes Prime Comp
- Hope Race M4 Evo
- Magura MT4
- Magura MT8
- Shimano SLX
- Shimano XT
- Trickstuff Cleg 4

While braking power and modulation are at a good level, three manufacturers reach their limits in terms of stability. The results of laboratory and practical tests are consistent.


You can read which brakes were completely convincing in the PDF download below. The entire issue of BIKE 6/2013 is available here as a digital edition
.

In our brake workshop, we show you the most important maintenance work for your disc brakes:

  • Vent the stopper yourself
  • Clean and centre brake pistons
  • Shorten brake lines
  • Replace worn pads
  • Improve braking performance and
  • Eliminate noise

Downloads:

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