I recently switched to a bike having hub (roller) brakes and hub dynamo, so I am pretty new at this kind of brakes.

brake 1

brake 2

I have noticed that if I pull the front brake lever when moving, the brake engages almost immediately, but if I pull the lever when I am standing still the lever goes almost freely until the end of its range before I feel some sort of resistance.

Is this a normal behavior for this type of brakes?

  • What kind of hub brake is it? A coaster brake, a disk brake, a band brake, or a roller brake, or something else?
    – Criggie
    Jun 18, 2018 at 11:18
  • 1
    @Criggie I have no clue how to tell one from the other... if it helps I'll take a picture and add it here
    – L.Dutch
    Jun 18, 2018 at 11:21
  • @Criggie, comparing images of the various types you mentioned, I think I concluded I have roller brakes. Added that info in the question
    – L.Dutch
    Jun 18, 2018 at 12:04
  • @Criggie, photos added
    – L.Dutch
    Jun 18, 2018 at 16:42

1 Answer 1


After the behavior got worse, with even a sudden and complete blockage (luckily at low speed), I took the bike at the LBS.

The brake was not properly remounted after a maintenance, removing it and placing it back solved the issue.

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