MTB U-brake help
#1
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MTB U-brake help
^ Take a look at that picture and tell me if anything is missing. Never worked on U-brakes before. I believe this part is missing on one side:
When i mounted them on the bosses, the side missing it did not have any spring tension. when in my hand I can move the spring by sticking a hex key in there while with the other side I cannot, leading me to believe I need that part.
With a little research, I think I can replace that with one of these: Shimano Shark Tooth U Brake Accessory | eBay or am I way off base?
Thanks for any help! r e d d i t and the vintage MTB facebook group was no help
Last edited by veggie; 10-17-15 at 05:13 PM.
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:/
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Would ask on on teh classic forums, or on Retrobike, as this is a really old/unusual (as in short life no longer used part)
Thinking it would probably be easiest to go on ebay an just buy a new one, as yours looks to have other issues than just the missing part
Thinking it would probably be easiest to go on ebay an just buy a new one, as yours looks to have other issues than just the missing part
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As far as the Shimano Shark Tooth goes, it's a device to prevent the chain from jamming between the brake arm and the chainstay (chain suck). I don't think it will have any effect on the spring tension problem. It's been awhile since I've worked with U-brakes, but I do remember them being a pain in general. My wife's bike came with one and I replaced it with a WTB roller cam and never looked back.
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Didn't think of CV or Retrobike, thanks.
As far as the Shimano Shark Tooth goes, it's a device to prevent the chain from jamming between the brake arm and the chainstay (chain suck). I don't think it will have any effect on the spring tension problem. It's been awhile since I've worked with U-brakes, but I do remember them being a pain in general. My wife's bike came with one and I replaced it with a WTB roller cam and never looked back.
I had thought of rollercams, but didn't think I'd find any on ebay, checking now I see there are a few. If I did replace the u-brake with a rollercam, would it work on my under-the-chainstay mounts?
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Yeah, I know what you're getting at but, without having the brake in my hand, I just don't know if it would solve the spring issue. As far as mounting a roller cam under the stays, absolutely! That's where my wife's resides.
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I'd just replace it with one of these:
https://www.amazon.com/Tektro-FX570-R...ywords=U+brake
read the instructions carefully, and follow them. You can find them on Tektro's website, if you want to read them before purchase. These brakes work well and are inexpensive.
https://www.amazon.com/Tektro-FX570-R...ywords=U+brake
read the instructions carefully, and follow them. You can find them on Tektro's website, if you want to read them before purchase. These brakes work well and are inexpensive.
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I'd just replace it with one of these:
https://www.amazon.com/Tektro-FX570-R...ywords=U+brake
read the instructions carefully, and follow them. You can find them on Tektro's website, if you want to read them before purchase. These brakes work well and are inexpensive.
https://www.amazon.com/Tektro-FX570-R...ywords=U+brake
read the instructions carefully, and follow them. You can find them on Tektro's website, if you want to read them before purchase. These brakes work well and are inexpensive.
#9
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I was under the impression that bmx u-brakes would not work, but now I can't find anything to back that up.
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I'd just replace it with one of these:
https://www.amazon.com/Tektro-FX570-R...ywords=U+brake
read the instructions carefully, and follow them. You can find them on Tektro's website, if you want to read them before purchase. These brakes work well and are inexpensive.
https://www.amazon.com/Tektro-FX570-R...ywords=U+brake
read the instructions carefully, and follow them. You can find them on Tektro's website, if you want to read them before purchase. These brakes work well and are inexpensive.
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#12
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That doesn't affect the function of them one bit, if I had a shark tooth or that cap they would work just fine
#13
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U brakes Seem to still be offered in the BMX world to just get a whole new caliper .
rather than seek out a part that is 20+ years past its making ..
rather than seek out a part that is 20+ years past its making ..
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Yes, you are right, they are perfectly good brakes; by all means do what you can to salvage them...
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#15
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