Chris_MdR@[EMAIL PROTECTED]
a écrit :
> Hi,
>
> I tried a bike with hydraulic disk brakes (Hayes Sole V6) yesterday
> for the first time, and would appreciate your input on my impressions:
>
> - On the first bike I tried, it was not possible to block the wheel
> with the disk brake. I checked and found that the disk was oily. On
> another bike (same brake) I was able to get the wheel to block, but
> with application of extreme force to the brake handle, MUCH more than
> required by any V brake I ever tried.
>
> Question: Are Hydraulic Brakes really weaker than V brakes, or was this
> bike just assembled by monkeys?
>
> - I noticed that the hydraulic disc brakes have a much 'spongier' feel
> than the cable actuated V brakes. This I guess was related to the
> hydraulic hose / brake line expanding under pressure, because it was ok
> on the front brake (1/2 of the brake lever way until full braking), and
> not acceptable no the rear brake (had to pull the brake lever almost up
> to the handle bar to get full breaking power)
>
> Question: Is this again a problem of monkey assembly (not enough
> fluid?, air in the lines?, what else? ...), or cheap brake lines, or
> both? And are there better brake lines that expand less than the stock
> ones?
> Or ARE hydraulic disc brakes just spongier? If yes, that much
> spongier??
>
> - After playing with the brakes for a few minutes, I noticed that the
> discs get noticeably warm, around 170F. Are there ever heating issues
> with disc brakes on longer downhill segments? Seems a stupid question,
> but they did get quite warm just by playing around on level ground for
> about ten minutes.
>
> Thanks a lot!
>
> PS: All the monkey references are founded on an employee there telling
> me that 'there are no electrical brakes' when I asked for differences
> between hydraulic and cable actuated. When I asked her that about the
> front fork maxing out, i.e. hitting the limit of it's travel hard, she
> replied with 'many people like their forks soft'. (I found out how they
> can be adjusted later.) When I showed her that the (later found to be
> well oiled) disk didn't stop the bike, she said 'Oh. Eh? Uh?'
> So monkeys or Neanderthals are definitely a possibility in that store.
> But the bike is on sale, so I might still buy there. Uh. Uh. Uh. I
>
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the model that you use?
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