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Thread: Disc brakes: cheap hydro vs cheap mechanical?

  1. #11
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    I have heard only terrible things about Avid hydros, though never had a problem with BB7s. But Shimano hydro is the way to go.

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    Kid's bike? Unless he's going to be tearing it up racing this season, I would start with some mechanical disc brakes. Easy to service, and if he gets real good on that bike, it's an easy upgrade to go to Hydro...

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    Quote Originally Posted by Lt. Dan View Post
    Kid's bike? Unless he's going to be tearing it up racing this season, I would start with some mechanical disc brakes. Easy to service, and if he gets real good on that bike, it's an easy upgrade to go to Hydro...
    This is exactly why I say to stay away from Avid BB5s. They are the opposite of easy to service. And they need service ALL THE TIME. To be fair, with nearly 400 pounds of bike+me+kids+cargo, I'm hard on brakes. But upgrading to Shimano hydros has been fantastic.

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    One thing to consider is that kids' bikes are smaller and you might have a lot of cable hanging out there (which could snag) or might have to get new hardware (barb, olive, bleed kit) if you cut the cables. I have trimmed Shimano hydro housing without needing a bleed kit because I was careful, but a new barb and olive are probably necessary.

    Also, in my experience, kids crash more. Mechanical disc brake parts are cheaper to maintain/replace.

    All said, if it was my own kid, I'd upgrade my own bike and give him/her my XT brakes

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    Quote Originally Posted by jrenaut View Post
    This is exactly why I say to stay away from Avid BB5s. They are the opposite of easy to service. And they need service ALL THE TIME. To be fair, with nearly 400 pounds of bike+me+kids+cargo, I'm hard on brakes. But upgrading to Shimano hydros has been fantastic.
    You're right, BB-5s are shit. The only mech brakes that I've used and recommend are BB-7s, but they will never be as good as hydros. I've never used any other mech disc brakes besides Avid, like the Tektro, Pauls, etc.

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  8. #16
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    I'd like to try the Paul Klampers but yeah I've only used BB7s myself as well. Actually, I have tried Tektro Lyras on a test ride - and then had them replaced with BB7s before I bought the rest of the bike. My other disc brakes are hydros (one SRAM, one Shimano, one TRP).

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    I've had good luck with BB7s myself, and have preferred mechanicals since my old MTB with hydros leaked and I replaced them with BB7s. However, I'm looking at a winter road bike with Shimano BR-RS 505 hyrdros and was wary, so it's good to hear folks say they've had good luck with Shimanos.

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    Yeah, I used to be worried about hydros in cold weather, having heard a few bad anecdotes, but have had no issues with SRAM road or Shimano. If Shimano had better shifting and 1x options, I would use Shimano hydro brakes on my road bikes too. The SRAM stop great but are a bit grabby; I love the smooth progressive / linear feel of Shimano brakes.

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