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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2
votes
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 ...
4
votes
1answer
734 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
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3answers
3k 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
5k 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 ...
6
votes
3answers
1k 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
953 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
322 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
votes
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
630 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
3k 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
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1answer
1k 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
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2answers
2k 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
votes
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
vote
1answer
1k 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
1k 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 ...
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 ...
3
votes
1answer
430 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
217 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
5k 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 ...
13
votes
5answers
37k 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
votes
3answers
145 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
291 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
1k 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
574 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 ...
1
vote
1answer
689 views

one side of brake pad retention problem (i.e. attached to rim)

my front wheel brake pad (only one side) is still attached to the rim after I released brake lever. How do I fix this problem? I believe it is a cantilever brake.
7
votes
2answers
2k views

Will any Shimano V brake fit any v brake lever and any v brake bike?

I need to replace the V brake on this bike: It uses Shimano EZ FIRE 40 brake levers, and has Shimano V brakes installed (Tektro TK837). Can I replace these V brakes with any other V brakes available ...
5
votes
1answer
3k views

Are there v-brakes with long reach between the fork boss and the pad?

I'm planning to upgrade my rims from 305mm to 349mm. However, it seems that most v-brakes have a max distance of 1" from the fork boss to the center of the pad. Are there v-brakes that have a reach of ...
9
votes
1answer
4k views

Best downhill braking method to avoid overheated rims?

I recently had one of my rims get really hot on a downhill. I had a problem with my front brake, and I had to use my rear brake only... I did short, hard stabs instead of lightly dragging it. I ...
6
votes
1answer
287 views

How to prevent loose brake cables with a single pivot side-pull mechanism?

I recently bought a second hand bike and am now tweaking it to my liking. The bike has single pivot side-pull brakes, but it has a straight steering bar with regular brake levers (very similar, if not ...
6
votes
3answers
3k views

Why would my rear brake pads wear faster than front?

It has already been established that most of braking power comes from front brake. Now, several times that I have been replacing brake pads on my commuter cyclocross bike I have noticed that rear pads ...
1
vote
2answers
1k views

Rim seems to be shedding metal chunks

I have rim brakes on my mountain bike that's outfitted for urban duty. Two weeks ago, I noticed that my rear brakes were weaker and louder than normal. I found that, although my pads still indicated ...
3
votes
2answers
211 views

Suitable upright bar brake lever for old caliper brake

I want to replace my existing drop bar and levers with an upright bar and brake lever that will work with the old side pull weinmann synmetric 733 brakes, that are long reach at 65mm according to ...
1
vote
2answers
16k views

Front brake cable loose from barrel adjuster

The cable for the front brake on a rim brake has come loose, and I can't get it to squeeze into the barrel adjuster screw properly.
3
votes
2answers
2k views

Rear Tire 'Wobble' After Tire Change

I have an old huffy 26 inch mountain bike. I changed the tire a couple days ago and now it has a pronounced wobble (side to side movement, not at the axle). Its like its misaligned somewhere but ...
0
votes
3answers
6k views

Are all side-pull road bicycle brakes compatible?

I'm new to road bikes, but have been building mountain bikes for many years. I purchased a cheap road bike (at BSO price level) which I am upgrading for fun. I'd like to upgrade the brakes to ...
2
votes
5answers
754 views

Persistent front wheel squealing: Replace the fork? Switch to disk?

I have a Cannondale touring bike from the early 2000s that I use as my daily commuter. With the stock cantilever brakes and original front wheel, I had a lot of front brake squealing. I did the ...
3
votes
2answers
31k views

How to tell if a new pair of brake calipers will fit my wheel, tire, and frame?

I have a Takara Kabuto. It has 700x32 tires (I don't really know what that means). I was looking at upgrading the brake calipers. I was looking at these, among others. How do I tell if they will ...
1
vote
1answer
2k views

How do I fix U brakes?

I found an old bmx in my shed and I'm just doing it up a little as a good muck around bike. It's not very good, I don't even know the brand but i cut the front brake off, because it didn't even work ...
2
votes
4answers
2k views

Can I install caliper or cantilever brakes on a frame and set of wheels designed for disc brakes?

I have a 2008 Giant XTC 01 that came with disc brakes. Those brakes have been difficult to service throughout my time with the bike, now the pads on the back are worn out the fluid lines on the front ...
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 "...
0
votes
1answer
379 views

Brakes feel like they are not even there on my used road bike. How can I fix it?

My friend gave me his old sanwa road bike that had been sitting in the snow for about a month. It looks like the one from the 1979 movie "breaking away" but with a different color and brand (to give ...
2
votes
1answer
165 views

Make rim braking efficient

I have rim brakes on my bike both rear and front, but have been lately decreasing in efficiency, making weird noise when I brake hard and the braking distance has increased too. Neither my brakes nor ...
1
vote
1answer
834 views

Tried to replace bicycle brake housing. Broken cable?

I was attempting to replace my stock front v brake to a better aftermarket v brake everything went ok until I tried to test it and the brake cable end, the one that connects to the brake lever, will ...
6
votes
3answers
12k 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 ...
0
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2answers
2k views

Can I use pin-held V-Brake inserts in (cantilever) screw-held Shimano M Type brake pad holders?

I have 1990s Shiman Deore XT cantilever brake pad holder shoes with smooth studs. I believe these are "M Type" cartridges/inserts. The replaceable inserts slide in and are held in place by a screw / ...
2
votes
2answers
221 views

Cyclocross Rim Wearing with Rim Brakes and appropriate Solutions

For Reasons that are not to be discussed here i did choose a cyclocross frame without disc brakes mounts and i am going to train/compete with Canti Lever Brakes. Obviously, with all the mud and dirt ...
3
votes
1answer
2k views

Trying to identify some very old Magura rim brakes

I'm looking to identify some very old rim brakes. I bought this bike used, and have now ridden it for enough miles that I strongly feel the need to replace at least the brake pads. No evidence that ...
12
votes
2answers
8k views

Why are there metal shavings in my brake pads?

I have several brake pads on my cantilever brakes that have several small metal shavings embedded in the pad. Is this normal? What should I do about it?