Bicycles

Questions tagged [rim-brake]

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Questions referring to the braking system in which pressure is applied to a track on the rim of the bike tire.

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3answers
291 views

What is the purpose of an insert pin for Magura brake hoses?

I just upgraded my broken Magura HS11 brake lever assembly to a HS33R. The new HS33R was packaged with a sleeve nut and an olive, which I used to connect the brake hose to the brake lever assembly. ...
5
votes
3answers
205 views

Switching the position of brake levers for a bike ordered from another country

I purchased a bike from Germany and I noticed the front brake lever is on the left and the back brake level is on the right. I'm from the UK, and all the bikes I've ever ridden have had a setup that's ...
1
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2answers
196 views

Using “disk-only” rim (proper sidewalls) with rim brakes

I have an unneeded disk wheel. The rim is "disk-only", but it has sidewalls just as though it was for rim brakes. The sidewalls are painted though and not machined. (I even suspect it's some older ...
1
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1answer
164 views

New hydraulic disc brake has less stopping power than old rim brake—why?

Recently, I upgraded to a Rockrider 540 bicycle. My previous bicycle (a similar but simpler model) had rim brakes, this one has hydraulic disc brakes. On the new bicycle, the stopping power of the ...
4
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2answers
99 views

Is it possible to combine rod brakes with a coaster brake?

I'm restoring an old roadster bicycle with Westwood rims. I love how it looks but the braking is horrible, especially because I live in an area with a lot of downhills. I don't want to add cable ...
0
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1answer
44 views

Does the nukeproof horizon mtb rim have a brake track?

Does the nukeproof horizon mtb rim have a brake track? Can I use rim brakes with it? https://www.chainreactioncycles.com/nukeproof-horizon-mtb-rim/rp-prod161912
2
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1answer
96 views

Rims with replaceable braking surface?

Despite the movement to disc brakes in these days (even in the road cycling world), many still use rim brakes. Heck, even I still see rim brakes on our fellow MTB riders here at my place. What I'm ...
17
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4answers
2k views

Is disk brake effectiveness mitigated by tyres losing traction under strong braking?

So I understand that disk brakes are superior to rim brakes and this leads to faster stopping particularly in wet weather. I have wondered though, in wet conditions when you wish to stop as fast as ...
5
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5answers
2k views

Stopping power of mountain vs road bike

I have recently been restoring a Btwin Triban-500 road bike, given to me from a friend who had let it sit around for a few years. I've rebuilt the bike sparing no expense, new inner tubes, cables, ...
1
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0answers
57 views

V brake collects metal fragments [duplicate]

My V brake makes grinding sounds when pulled. I've checked, and it keeps collecting metal fragments, presumably from the rim. The pads are weeks old, the rim was replaced a year ago. What can cause ...
6
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2answers
5k views

Can I convert a rim brake wheel to a disc brake wheel?

I recently bought some Roval SLX 24's from eBay. I made a pretty silly error and didn't check whether they were rim or disc brakes. I need them to be disc brakes. Should they be rim brakes, will ...
1
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1answer
112 views

What type of lever of a hydraulic rim brake is this?

What is the manufacturer and the model of this brake lever of a hydraulic rim brake? I am puzzled because it's connected to a Magura hydraulic rim brake caliper, and there is a 11 on it - so I always ...
0
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1answer
205 views

Zipp Showstopper Brake Surface

Has anyone else noted a drastic reduction in braking performance with Zipp's NSW Showstopper braking system as they age? Right now the dry stopping isn't great, but wet stopping is practically ...
1
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2answers
183 views

Rim brakes out of alignment and are unfixable

I have a persisting issue where the caliper rim brakes which contact the metal part of the rim are too high and instead rub against the tyre on my front wheel. Previously, this issue persisted when I ...
3
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2answers
145 views

Alternative for campagnolo rim brake release

I bought a used road bike for a great price, it came with a shimano 105 groupset, but the brake it's a Campagnolo centaur. It's a wonderful brake, but every time when I need to remove the wheel it's ...
2
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1answer
372 views

Magura HS33 brake pads strongly pressed against rim, despite adjusting screw fully open. Too thick? Wrongly installed?

I have a Magura HS33 with EVO2 mount bought some years ago. I replaced my Magura HS33 brake pads. I have turned the brake lever adjusting screw as far open as it gets, but the brake pads are too far ...
2
votes
1answer
216 views

Will dual pivot caliper brakes work on cantilever fork?

I have 26” tokyobike(used to be 650c) with tektro r369 which are long reach dual pivot caliper brakes. I want to change the fork so I can put wider tyres. Will the 26” mtb cantilever fork work with ...
4
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1answer
1k views

Can I use V brake levers for U brakes (side pull calipers)?

I accidently bought a V brake set instead of U brake set (side pull calipers) for an old bike I'm fixing. I really like the levers and would like to keep them. These are the levers I've bought: XLC ...
4
votes
1answer
135 views

Side pull rear brake is weaker after changing the cable

I bought an old city bike (and I think I overpaid for it) and after a couple of weeks both front and rear brake cables snapped the same day. It has side pull brakes. I changed both of the cables, but ...
2
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2answers
3k views

Hydraulic disk brakes vs hydraulic rim brakes

I am considering buying a new bike and have two models in mind. One features hydraulic rim brakes from Magura and the other has hydraulic disk brakes. Despite searching on the Internet and asking bike ...
4
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4answers
261 views

How to prevent brake quick release from opening on rough roads?

On rough roads or when there is a lot of vibration, the quick release on my front brake will sometimes pop open. Is there a way to prevent this from happening? If it helps, the bike is a 1995 Trek ...
1
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3answers
295 views

Reduced braking force in V brakes

I have a foldie which has always had bad/weak rear brakes, which keep getting worse. To preempt the response that they are expected to be weaker than front brake, this isnt a question about weight ...
1
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1answer
57 views

How to fasten main cable to BR-CT91 (Shimano Altus) brake?

Basic question, but it isn't addressed in instruction manual that came with the brake. In picture, (from left to right), there is the brake, a bracket, a rubber washer and a nut. Where do I a ...
6
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1answer
6k views

Is there a wheel which can use both disc brakes and rim brakes?

Could I buy such a wheel, or would I just have to build it? I've heard disc-wheels won't take the punishment from normal brakes. Edit: I want to get new wheels, and I want to be able to swap them ...
2
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1answer
1k views

RIm brakes squealing in wet conditions

I have rim brakes on my fairly new bike which I ride to work every day. An issue I have with this bike is that the front rim brake starts squealing as soon as the conditions are slightly wet. There is ...
3
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1answer
413 views

V Brake Arm Stuck on Post

I picked up a frame a week ago and the guy said that he had it for about a year or so. And he told me that both brake arms were stuck on the brake post. But I tried so many ways to pop these suckers ...
4
votes
3answers
2k views

V-brakes too weak

I bought a used bicycle that has v-brakes installed (I'm not sure they were there initially; maybe the previous owner replaced the brakes). Even after replacing the pads, I have a problem with them &...
1
vote
1answer
2k views

Brake Lever Not Fully Retracting

I've noticed a problem with the brake lever corresponding to the rear brake for a cheapo kids bike i'm working on. After squeezing the brake lever it won't full return to its resting place. This was ...
5
votes
3answers
744 views

Magura rim brake does not work well on a new rim

I have a bike with 20inch wheels and Magura HS11 rim brakes. On the rear wheel I have just replaced the rim, because the old one had split after many thousand kilometres. The new rim is an Alex DM24 ...
2
votes
2answers
604 views

Should V brakes be able to lock the front wheel?

I recently bought a folding electric bike for commuting by train, and braking has been a constant pain. The shop has adjusted them most weeks, I've never had a bike need this much adjusting, but they ...
3
votes
1answer
297 views

Microshift levers with Ultegra brakes

I have a 2012 Felt F95 (as shown at: http://www.wiggle.co.uk/felt-f95-2012/) and I wanted to upgrade the brakes to Shimano Ultegras. I was wondering if these are compatible together.
13
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1answer
2k views

What's the purpose of the channel in the brake track of this rim?

What's the channel in the brake track of this rim for? (I think it's in the brake track, anyway, and that the brake pad would cover it.) I would have thought it better to have an unchanneled surface ...
1
vote
1answer
451 views

BR505 disc vs Ultegra 6800 caliper

I'm looking to get a built bike with either Shimano BR505 disc brakes or Ultegra 6800 caliper brakes. The bikes I'm looking at basically have the same frame and components. They both have the same ...
12
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3answers
2k views

Why replace brake cartridge when grooves wear off

Many websites recommend replacing rim brake cartridges (pads) when the grooves on them have worn off. Why would this be reasonable, other than for the hypothetical reasons listed below? I am looking ...
5
votes
1answer
1k views

Strange cable mount

This morning I was following another cyclist in the traffic. He had a road bike with v-brakes. And the brake had a strange cable mount, and I can not realize what is this and what it is for. Had no ...
1
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1answer
2k views

Replace V-Brakes with Caliper Brakes on a Flat Bar Road bike

I own an Fuji Absolute 1.4, a flat-bar road bike, 2013 model with 700x28c Tires and a carbon fork. The bike is really smooth but I am not happy with the braking power. I want to replace the existing V-...
4
votes
1answer
807 views

Caliper road brakes on cantilever specific frame

I just bought a used bike with cantilever brakes that are very stiff (it's quite hard to push them) and weak. I have been fiddling with them for about two weeks now but to no avail (only the smallest ...
2
votes
2answers
1k views

Modern long reach calipers on old bike, strong enough for safe braking from the hoods?

Currently I am debating with what to replace the handle bars and brakes on an old bike. One option are drop bars. However, a concern is that braking from the hoods was unsafe in old bikes. However, I ...
10
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1answer
2k views

Uneven wear of brake pads

Yesterday I checked my brake pads and noticed that the wear is uneven: much more on the left side, much less on the right side (both front and rear wheel). This is how they look: The left ones have ...
1
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1answer
792 views

Fix/replacement for v-brake part

I finally found out the answer as to why my v brake is not returning to open position. If you look closely, the screw that is supposed to hold spring is not doing its job; the spring slips down when ...
6
votes
1answer
871 views

Changing Magura HS33 rim brake pads

My brake pads have worn to the point where the lever can no longer apply full pressure, and there isn't much pad protruding beyond the pad mounting. So they need replacing and I want to do it myself ...
10
votes
1answer
1k views

Plastic rims and brake pads

I have a pair of 16" plastic wheels on a scooter-bike that is slowly being refurbished. The brakes have been tweaked to remove slop, and I have fitted new cables and brake levers. The brake blocks ...
3
votes
1answer
341 views

When to use coaster brake, and when to use rear rim brake?

I have recently moved to Germany (from the UK) and started commuting to work by bike. Apart from the confusion of cycling on the other side of the road, and the levers for the brakes being the other ...
2
votes
1answer
192 views

Updating brakes on a vintage tandem

I have a 25 year old Colnago road tandem on which I would like to update the brakes. The problem I am having is that they are 27" rims and I can't find a proper brake setup that will work. What ...
11
votes
2answers
4k views

Is it possible to control two brakes from a single lever?

Up until the start of the year, I was a keen road cyclist, I even dabbled a bit on here amongst the experts, but unfortunately in February I suffered a stroke. I am gradually starting to pick things ...
12
votes
5answers
18k views

V-brake arm not returning to “open” position

I have a folding bike with v-brakes and I noticed that when I pull on the rear brake lever, one arm of the v-brake doesn't go back to its original position. I tried adjusting the screws but it still ...
4
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3answers
138 views

Prevent disused brakes getting stuck

I tend to brake almost exclusively with my right hand. This usually means that the V-brakes for my left hand (rear) build up grime over time. Then when I come to use the brakes when I do need to stop ...
1
vote
1answer
245 views

What type of brake pads should I run on my Shimano RS80 C24 wheels?

I recently purchased a new (used) bike that has Shimano RS80 C24 wheels. The wheels say "carbon" on the side, though a couple of different sites indicate they feature a carbon and alloy laminate ...
2
votes
2answers
745 views

Cylinder volume of hydraulic brakes and levers [closed]

I've been asking around for a while now but even workshop pros couldn't answer this (by citing exact figures): How big are the brake cylinders of disk and rim brakes in terms of volume and surface ...
6
votes
1answer
493 views

How to assemble '70s-era center-pull brake

I've (supposedly) got a 1976 Motobecane Le Champion with what appears to be the original center-pull rim brakes, which unforunately are not in one piece and need to be re-assembled: As you can see in ...

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