disc break help
Ive jus been given a mountain bike off a friend and it looks to have disc breaks jus no callipar or leavers,jus the rotors having never worked on disc breaks all advice is welcome;
First question can you put any size rotor on a bike? And I'm looking for best cheap mechanical callipars so I can get bike in a funtional capacity Any help appriciated |
It's entirely possible that you have disc brake wheels in a frame that doesn't accept disc brakes. So start by confirming that you have disc brake mounts on the frame and fork. There are two basic types, ones that look sort of like fender or rack eyes with holes for bolts that go toward the wheels, and ones that are like pods with holes that go toward the fork or frame tube.
Once you've narrowed down that you can mount disc calipers, and the basic type of mount you have, then it's a matter of winnowing down your choices. Here everybody will have a favorite, so I'll let folks chime in with recommendations. |
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That's what I have if that helps? |
Yes, the frame does accept disc brakes, and you have the most common mounting system. I try to be neutral about specific components, and anyway aren't a disc brake user, so I'm not the right guy for brand/model advice. But I'm sure with the posted photos, plenty of others will offer specific suggestions, many of them conflicting based on personal loves and hates. When your head stops spinning, figure your budget and pick one based of multiple endorsements, or because they look good.
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If your discs are broken, you need new disc brake rotors...
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Originally Posted by mconlonx
(Post 16954220)
If your discs are broken, you need new disc brake rotors...
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Brake, not break + an attempt at a little grammar & punctuation help with questions.
For your frame, you need effectively need the complete disc brake system less the rotors. If you remove the wheels, you should see engraved on the rotors a size, from the look of them, they are 160mm, if so, you will need IS to Post mount 160mm adapters are well as the brakes. Depending on your location / budget, would be looking at something like Shimano M395 or M615 brakes, these are both relatively cheap but very good brakes, they come without rotors, or the adapter mentioned above which you will need to remember to purchase. These are both hydraulic brakes, would avoid mechanical brakes, as you need both the levers, calipers, adapters & cables (hydraulics come complete as lever, hose & caliper), all these individual items will probably add upto to more than the hydraulics, and there is less choice on the aftermarket, SRAM BB5/7, and a couple from Shimano, Tektro and others, but less choice then Hydraulic ones. You may also want to look at giving the rotors a good clean, as they look pretty dirty, and contaminated rotors will impair performance of any disc brake. |
My grammar is a little lacking sorry not everyone is well taught but you got the gist,
Yeah I measured them at 160mm,British can get cables £2.00 with sleeve,and leavers cheap enough N rotor and brake kit for £15.00 still less than hydraulic tbh but your information is helpful thank you very much :) |
Will any rotor fit any rims?,or are they different form factors depending on bike?
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Originally Posted by knightsbliss12
(Post 16955139)
Will any rotor fit any rims?,or are they different form factors depending on bike?
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So when I buy new brake clamps with the appropriate rotor adapter I can put any rotor as long as I have the right adapter? ,and should come with adapter when I buy them brakes and rotor as a set ?
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You might be able to find a kit with everything for less than buying up the bits and pieces.
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Since you have the rotors already look at the local sites for used stuff such as Craigslist. Or on Ebay for just calipers and levers.
Some folks will upgrade their calipers and levers only and use the original rotors. So you might be able to score a cheap buy on their old components. It's worth a try unless you need the stuff right away. The very cheapest crap disc brakes are REALLY USELESS!. I've test ridden some bikes with such things and frankly they were better suited to life as doorstops or paper weights. You might be on a budget but you still want stuff that works to an acceptable level. And the very worst of the no name brand stuff is less than acceptable by any standard. So stick with Hayes mechanical at least. Even better is Avid mechanical calipers with Avid Speedial levers. I might be dating myself since I've really not kept up with the brake lineups for a few years. |
Do you have any brake levers on the bike?
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No jus the rotors,mate took his hydraulic ones off for when he gets a new bike as he gave me the bike,as he was moving,wants a gear tune up but I can do that lol,and new tyres which I have
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Sorry no experience with larger discs but I have had a Nashbar branded disc system for almost a decade and am pretty happy with it. It looks a lot like Tektro but I am not sure.
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