Questions tagged [rim-brake]

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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How to stop my front brake from squealing? [duplicate]

Hi I just got a new mountain bike and been having trouble with squealing when using the front brake. (The bike has rim brakes.) I've tried almost everything to fix it: adjusting time and time again, ...
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9 votes
4 answers
398 views

How fast do carbon and aluminium rim brake tracks wear?

Rim brakes wear the wheels' brake tracks. How long do wheels usually live until they're worn (In terms of distance, not time)? Of course I realise this depends on how much I brake, not how much I ride....
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  • 643
5 votes
1 answer
622 views

Brake mounting points very close to the rim

I have a bike that came originally with roller brakes. I would like to remove the roller brakes and install rim brakes instead. For the rear wheel (this question is only about the rear wheel) there is ...
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  • 460
3 votes
2 answers
506 views

Can I replace my rear cantilever brake with a caliper brake?

Can I replace my damaged rear cantilever brake with a caliper brake? I assume there are two things to consider: frame and lever. Frame The frame has a black, hook-shaped part, which I believe Sheldon ...
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  • 1,993
17 votes
9 answers
4k views

V-brake vs hydraulic disk-brake - which is more environmentally friendly

Let me start the question by saying that I have a pretty good impression of the advantages of disk brakes vs. V-brakes, so I'm not asking about performance comparisons. I'm MTB-ing several thousand ...
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  • 278
9 votes
3 answers
2k views

How do bicycle brake manufacturers balance their products' physical limitations?

This question is valid for both mechanical and hydraulic brake systems. Premises: The human hand has a threshold value for what a comfortable level of squeezing force is, and one cannot comfortably ...
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  • 10.9k
3 votes
2 answers
235 views

Rim brakes and rim wear outside the brake track

I have recently found out, that my rim brakes were slightly misaligned and the pads had developed an edge over some time and had worn a bit of paint outside the normal brake zone (see photos). It ...
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  • 210
3 votes
1 answer
682 views

Overheating: Are Latex inner tubes on rim brake carbon wheels safe?

Currently I'm using standard butyl inner tubes on my clincher carbon wheels. My bike uses rim brakes, and searching on internet I have found that carbon rims are not great for dissipating heat: ...
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4 votes
1 answer
139 views

How to lower a road bike caliper

I have a beautiful titanium frame made by Van Nicholas. Unfortunately it uses long reach rim brake calipers front and rear (branded Van Nicholas, but I would say tektro made). They are pretty ugly and ...
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1 vote
1 answer
78 views

How can I add cable tension to a Shimano 600 sidepull caliper brake on a 80s vintage road bike?

So I wanted to add cable tension to my rim brakes because I want to reduce the travel. I have small hands and don't have too much leverage on the hoods so if they actuated more easily then I would ...
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3 votes
1 answer
378 views

Vittoria Corsa Tyre impossible to mount on LightBicycle Rim

After much incredibly fruitless painstaking efforts to mount the tyre, I am ready to try anything. My rims are LightBicycle Falcon Wheelset AR56 Road/CX RR56C03. (rim brakes) External Rim Width: 28mm ...
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  • 256
3 votes
1 answer
67 views

Rod Brake Eyebolt nut size

I have an old Elswick Hopper, and would like to know the size/thread of the rod brake eye bolt nut?
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  • 31
5 votes
3 answers
175 views

Burning smell from rear rim cantilever smooth pull brakes

Engaging the rear brake results in a burning smell and significant brake wear, so bad that within just a hundred miles or so I caused significant loss of material on a brand new pad set. Looking at ...
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1 vote
1 answer
139 views

V-Brakes squeal very loud when braking

I've been having this issue for about 3 months. The front V-Brakes squeal extremely loud when i fully engage them. This problem randomly started one day when i took my bike for a ride. At first it ...
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4 votes
2 answers
255 views

Rim brake mark on carbon disc wheels. Are they unsafe?

So I purchased this wheelset a while back for a CX build. When they arrived I could see that the previous owner had tried to run them with rim brakes, leaving a mark on the carbon rim. The rim brake ...
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13 votes
3 answers
5k views

Brakes not stopping my bike

I am new to cycling. I just brought a new single speed fixie, Takara Sugiyama. It's for commuting (commute include hills). When I went down a hill, the rim brakes couldn't stop the bike at all. It was ...
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  • 131
3 votes
1 answer
561 views

Is thru axle with rim brake okay?

so I have converted my disc brake Road Bike to rim brake. My road bike frame is thru axle but it has a slot for rim brake so i decided to go for rim brake and I removed the rotors from the hub and ...
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  • 31
2 votes
3 answers
222 views

Front brake lacks 2mm in reach. Can it be ironed out?

I have been having some trouble with my 6 years old Tektro R539 brakes, see Tektro rear brake does not stay closed and Road rim bike brakes don't open when using the release . So I am now looking ...
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2 votes
1 answer
265 views

Road rim bike brakes don't open when using the release

My Tektro R539 brakes do work on the road: they obey to the brake levers at squeezing and releasing times. They do not behave to the mechanism to open them (for wheel removal for instance), they do ...
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3 votes
1 answer
241 views

Missing bolt in my brakes, how can I find a replacement?

I was braking in a downhill, the gradient was steep so I was using both brakes mostly the rear. When suddenly the rear brake shifter went totally soft. I did a full-stop using my front brake only and ...
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4 votes
1 answer
222 views

How should exactly the brake cable be fixed to V-brake caliper?

Regarding the V-brake calipers, where the cable is tightened with a screw: Should the cable go between the head of the screw and the washer (1), or should it go between the screw head and the body of ...
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  • 523
1 vote
0 answers
68 views

Will current (2021) Campagnolo brakes have sufficient clearance for 28c tyres and mudguards?

I believe that current Campagnolo brakes don't have a quick-release mechanism on the brakes themselves, which means that unless they are paired with Campagnolo levers, it could be awkward to remove a ...
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2 votes
1 answer
41 views

Front V Brake squealing on Trek FX 7.4

I know this is a frequent question in this forum... To use a cliché "I've tried A, I've tried B. what do I do now?"... I have a very persistent squealing from my front Tektro v brake, on my ...
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1 vote
2 answers
290 views

Chemically roughening rim braking surface to improve performance

For trial bicycles there is a technique to improve braking performance by roughening the rim surface using a grinder. How-to video Apparently, this technique is not widely seen outside the trials ...
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9 votes
4 answers
2k views

Most effective way to improve cantilever brakes

I have a Dawes Super Galaxy touring bike with cantilever brakes, and I'm a bit worried about the stopping power of the brakes when I start loading the bike up with kit to go touring. But I don't know ...
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  • 501
3 votes
4 answers
302 views

Why dual pivot brakes, not longer brake arms?

Dual pivot brakes are marketed as having "more braking power", which in technical terms means higher mechanical advantage. Exactly the same effect can be achieved by longer brake arms (ones ...
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0 votes
2 answers
93 views

diamondback cobra 24 rear brakes squeal horribly what can I do to at least tone it down

diamondback cobra 24 rear brakes are squealing loudly all the time it doesn't matter if it's wet or dry and the brakes are lined up perfectly and appear to be new. The brakes are not marking the rim. ...
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  • 1
5 votes
3 answers
1k views

Can I combine SRAM Rival 22 Levers and Shimano 105 Rim Brakes?

As the title asks, is it possible to combine SRAM Rival 22 levers (for mechanical rim brakes, of course) with Shimano 105 rim brakes?
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2 votes
1 answer
358 views

Removing Magura HS11 rim brake (hydraulic) without quick release lever

My previous Magura HS11 hydraulic rim brakes had q/r levers, but my latest (s/h) Gazelle does not. Which bolt do I remove to remove the brake from the fork to remove/replace the wheel and/or the brake ...
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  • 31
6 votes
1 answer
1k views

two grooves in wheel rim

Schwinn midtown bicycle, when replacing brakes I see the wheel has many grooves as shown in picture. I do not remember how it was before. Is this condition normal for the wheel rim? Photo of the old ...
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  • 61
0 votes
1 answer
67 views

Using Direct Mount brakes on braze on frame

I've just purchased a frame with a single hole in the middle (of the forks and on the rear bit where the rear brakes mount), and a pair of direct mount rim brakes. I was wondering if there was some ...
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  • 113
4 votes
3 answers
1k views

Brake cable prevents handlebars from turning

I just got a bike off of Amazon and I'm not sure how well-assembled it is. I can turn the handlebars about 45 degrees to the left hand side. On the right hand side, I can only turn them about 15 ...
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5 votes
2 answers
1k views

Did my 2015 rim have wear indicators on the brake surface?

Should I expect an alloy rim from around 2015 to have had wear indicators, because it doesn't now? I assume a decent manufacturer, and a rim that's neither the cheapest nor high-end and super-light. ...
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  • 46.3k
4 votes
1 answer
157 views

Fenders which fit above rim brakes?

My bicycle is pictured below; you may notice that the front tire is wider than stock, and I'm intending on replacing the rear similarly whenever it needs to go. The challenge is, I want fenders so I ...
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5 votes
2 answers
895 views

Why does my front brake cable push out of my brake lever?

Why is my front brake cable getting pushed out of my brake lever? Is a component of the lever itself broken? Crashed into a pole the other day, busted the front brake. Brand new to both riding and ...
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  • 53
2 votes
5 answers
2k views

What are the typical range of maximum braking friction forces?

There are many non-bike applications which benefit from using bicycle hardware. Case in point, there is a long and rich tradition of using bike parts in aviation. One particular area of interest is ...
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6 votes
2 answers
454 views

Tool/proceedure to remove Shimano direct mount rim brake bearings (Ultegra in this case)

Looking for some advice on what tool I need/the process to remove the pivot bearings from the Shimano Ultegra direct mount rim brakes. It looks like I'll need a hook wrench(?) to get at the rear ...
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13 votes
5 answers
5k views

How to clean rim brake track efficiently?

What are the most efficient and effective ways to clean brake tracks on rims? It is generally understood that rim brakes work better and pads last longer on clean brake tracks. Dirt on brake tracks ...
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0 votes
1 answer
803 views

What is the mechanical advantage of mechanical rim brakes and levers?

I understand that the amount of hand force required for a given braking force depends on the mechanical advantage of the braking system, which in turn is a multiplication of the mechanical advantage ...
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  • 12.4k
6 votes
6 answers
460 views

Flying Pigeon brake pads - change or not

I bought a Flying Pigeon 2 weeks back and am having a lot of fun here in Singapore. The bike was kept in a pretty good condition by the seller although he used it exclusively for photo ops. This meant ...
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  • 61
4 votes
1 answer
149 views

Can I fit a front rim brake to Vanmoof VM3?

I have a Vanmoof VM3 bike that has a coaster rear brake and I want to add a rim brake. What size should I get or do you know one that is compatible to this bike?
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  • 41
5 votes
1 answer
536 views

How to make sure that the brake cable anchor bolt properly holds the cable?

I am referring to the bolt, in the V-brake, that holds the cable on the opposite side of the noodle (as in this question). Yesterday I loosened that bolt to take the wheel off (I learned later that ...
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  • 523
21 votes
2 answers
4k views

Is this rim still safe to use?

I bought it this way without the seller noting the issue, so experience from riding with these is zero. Rims are Ritchey Girder OCRs. The crack is pretty small, but noticeable, and I will be running ...
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3 votes
1 answer
80 views

Why does my brake housing keep breaking

Okay so i have standard "Bmx U" brakes. I've noticed the inner housing is passing the little stopper that is on the housing. (They were all new housings and this is my second housing this ...
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1 vote
1 answer
299 views

Bleed port diameter on Magura HS 11 rim brakes?

Although the bike is barely six months old and the brake pads are very far from worn, I find the HS11 brakes a bit soft/spongy: I like the brakes to work with a short run. Tightening the adjustment ...
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11 votes
3 answers
2k views

Why are Disc Brakes better in the Rain?

It is generally accepted that disc brakes will offer better performance in the rain on a road bike. But from reading many articles on the topic of disc vs rim brakes, I have yet to find any ...
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1 vote
2 answers
530 views

How to adjust rear brakes on this bicycle?

Background Because I just cannot ask a question without a textwall of unnecessary context. This is my old bike. It's somewhere between 20 and 25 years old; the last 15 of which were spent on my ...
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  • 663
2 votes
2 answers
173 views

Changing my All City Mr. Pink to disc brakes [duplicate]

Interested in changing to disc brakes on my bike. I hear they're a lot better, although I am rather new to this sport and this (Mr. Pink) is my first road bike. Any insight on the process of switching ...
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  • 21
0 votes
2 answers
101 views

Can I convert the brakes from rim to disc [duplicate]

I have a 1990s vertik 2 it's the mountain bike one and I am wondering if I could convert the rim brakes to disc brakes if so what are good budget options
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2 votes
2 answers
3k views

Shimano GRX groupset with mechanical brakes for CX/Gravel

I'm going to upgrade my cyclocross bike with new 1x11 dedicated components. Currently bike has old 105 5700 groupset and cantilever brakes. Those mechanical brakes are the main problem - I don't want ...
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