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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3
votes
1answer
57 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?
1
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1answer
42 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 ...
7
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4answers
13k views

Brake Cable Ends - Barrel and Pear Nipples

I can easily find images of these different nipples on Google, and as far as I can tell pear nipples are used on road bikes (in general) and barrel nipples are used on MTBs (in general). Barrel ...
3
votes
1answer
117 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 ...
5
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3answers
167 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 ...
1
vote
1answer
105 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 ...
3
votes
3answers
570 views

Ceramic rims and KoolStop brake pads

I recently had a rim failure, my LBS is offering me a ceramic rim. Assuming I go for that; I currently have KoolStop salmon brake shoes. I see they make those in green specially for ceramics. Can I ...
4
votes
1answer
138 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?
3
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1answer
2k 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 ...
4
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2answers
229 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 ...
13
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3answers
4k 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 ...
3
votes
1answer
485 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 ...
2
votes
3answers
158 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 ...
2
votes
1answer
239 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 ...
3
votes
1answer
189 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 ...
10
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3answers
5k views

Do aluminum rims provide better braking than steel ones when wet?

When I upgraded the brakes on my bicycle recently, the shop asked if I wanted to also switch from my (chromed) steel rims to aluminum rims, saying the aluminum rims would provide better braking power. ...
4
votes
1answer
180 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 ...
1
vote
0answers
32 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 ...
2
votes
1answer
38 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 ...
1
vote
2answers
228 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 ...
8
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4answers
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 ...
3
votes
4answers
243 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 ...
2
votes
1answer
243 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 ...
0
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2answers
83 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. ...
5
votes
3answers
681 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?
6
votes
1answer
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 ...
2
votes
5answers
1k 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 ...
6
votes
1answer
282 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 ...
0
votes
1answer
560 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 ...
2
votes
2answers
2k 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 ...
0
votes
1answer
56 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 ...
11
votes
1answer
2k 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 ...
4
votes
3answers
847 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 ...
5
votes
2answers
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. ...
4
votes
1answer
122 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 ...
5
votes
2answers
875 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 ...
2
votes
3answers
42k views

Can I convert rim brake to disc brake on road bike?

I have a Giant propel advanced 2 (2017) road bike, 105 groupset, rim brakes. I would like to buy a set of deep section racing wheels and unsure if disc brakes are an option or not. Is it possible to ...
4
votes
1answer
345 views

What is this plastic part on caliper brakes called?

What is this plastic part called and is it possible to get a replacement? It's commonly found on Shimano caliper brakes. I have a pair of brakes where one is missing both of these plastic bits and as ...
13
votes
5answers
4k 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 ...
5
votes
4answers
362 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 ...
5
votes
2answers
4k 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 ...
20
votes
2answers
3k 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 ...
5
votes
1answer
409 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 ...
3
votes
1answer
76 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 ...
1
vote
1answer
228 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 ...
11
votes
3answers
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 ...
3
votes
2answers
2k views

What size is the tiny ball bearing used in SRAM rim-brake caliper quick release detents?

SRAM road rim-brake calipers (mine are specifically Rival from 2011) have a quick release lever to facilitate wheel changes, as many calipers do. The SRAM QR lever has detents which make a little "...
1
vote
2answers
435 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 ...
2
votes
2answers
158 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 ...
0
votes
2answers
78 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