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Questions tagged [brakes]

Disc/rim/drum/coaster brakes; braking technique, maintaining brakes, anything else about stopping a bike.

16
votes
4answers
1k views

When to change disk brake pads

I was wondering how to tell when your disk brake pads need replacing. My front seems to be not stopping as quickly as it used to, or as I would like. I know this could be road grime build up, but I ...
6
votes
3answers
2k views

Is it normal for disc brakes to smell of burnt plastic?

So, a new bike, Avid Elixir 5 180mm front and rear. My second ride was on a short dirt road, 340m denivelation. I held the brakes (mainly the front) more than 50% of the time, as the road was too ...
39
votes
10answers
28k views

Why is the front brake lever on the right if you 'drive' on the left and vice-versa?

I live in the UK and I expect my front brake lever to be operated by my right hand. However, I recently went on a friend's bike that had the brakes 'back to front', which would be the 'right way round'...
23
votes
9answers
19k views

Is having your hands “on the hoods” of drop handlebars safe for braking?

I've never had a bike with drop handlebars, but may get one for commuting in busy London (likely a single-speed with mechanical disc brakes). This would mean riding with my hands mostly on the hoods, ...
3
votes
1answer
84 views

Do dirty brake pads cause them to wear faster?

I have a road bike and a mountain bike which both use shimano B01S brake pads. The road bike has done 4000km and the mountain bike has done 320km. The brake pads on the road bike look brand new while ...
1
vote
2answers
191 views

Upgrading from TRP to Shimano disc brakes

My wife purchased an Ultegra 8020 groupset for my birthday present. Unfortunately the brake calipers do not line up with the mounts on the frame, fork is 74mm, frame is 51mm. Are there adapters so I ...
1
vote
2answers
88 views

How to choose brake cables

I've decided to change a number of brake cables on my family's fleet of bikes. I'm overwhelmed by the number of possible inners and outers. What features should I prioritize? Stainless? Teflon-lined?...
0
votes
2answers
45 views

Rusty brake nuts & cables: Should I change my brakes or not?

I have been using a used bike for a few months now and when I bought it it was in mint conditions. However, the winter has been really harsh were I live and since I drove every day to work with it ...
9
votes
2answers
2k views

What is the equivalent for Shimano Roller Brake grease?

I'd like to regrease my roller brakes, because it started to squeak. There is dedicated Shimano Roller Brake grease available, but I'm curious what kind of grease it is really like, what it is made ...
2
votes
4answers
3k views

Rattling of a Shimano Nexave roller brake

In a suspended fork I use a Shimano Nexave BR-IM75-F roller brake and the cooling disc of the brake is not tighly fixed on the hub and it was like that since I got the roller-brake installed. I'm not ...
1
vote
1answer
68 views

Why are barrel adjusters different for brakes and gears?

In my experience, the ones for brakes will look something like this while ones for gears will look like this Is it even true that this is the case or did I just randomly see all the bikes having ...
0
votes
2answers
38 views

Cruiser bike weird pedaling problems, feels like back tire moving

For awhile pedalling my bike has been getting increasingly difficult. First there was a squeaking. I figured maybe because I had put too much force riding uphill. Then there was a screeching cracking ...
5
votes
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
votes
1answer
74 views

Wheel won't turn?

I bought a Hyper Cruiser bike last night from Walmart and as I'm pedaling home the rear wheel stops moving while pedaling. I don't know how to fix this, please help. This is what the bike look like.
10
votes
3answers
15k views

How to get more tire clearance with caliper brakes?

I've discovered the brakes on my Bike Friday Tikit don't allow for enough clearance to run Schwalbe Marathon tires. The bike - a folding bike with 16" rims - ships with Kojak treadless tires. It looks ...
3
votes
1answer
3k views

Are there any tricks to make “U brake” stronger?

I rebuilt a kids bike. I had the wheelset and calliper/U-brake replaced. Parts that I used are not cheap parts, lets say its more of mid range parts for BMX, normally made of alloy. I made sure the ...
8
votes
2answers
844 views

New carbon wheel brake pads after use on aluminum wheel?

I have carbon wheels with the appropriate brake pads. During a race I flatted and quickly swapped wheels and finished the race. The wheel I used was aluminum, do I need new brake pads due to possible ...
0
votes
1answer
84 views

Why is it not recommend to put V brake levers on cantilever brakes?

I understand that V brake levers pull more cable out then cantilever brake levers. However, the argument why one shouldn't put V brake levers on cantilever brakes I often hear and also the only one I ...
5
votes
1answer
143 views

What do I do about a hydraulic disk brake piston that won't retract correctly?

My dual piston Shimano XT brakes are acting strange... One piston won't return to the right place, so one brake pad can be rubbing all the time, which doesn't let my wheel spin freely... I have done ...
3
votes
4answers
711 views

New brakes for 90s road bike

I am riding 90s road bike with Shimano 105 dual-pivot brakes and brake levers, and 2x7 downtube shifters. Since braking becomes less and less reliable I want to replace both brakes and levers with ...
12
votes
3answers
6k 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?
1
vote
0answers
41 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 ...
5
votes
3answers
3k views

Brake pads destroying wheels

Today I braked my bicycle from 50 km/h with my front rim brake and heard a really nasty sound coming from the braking surface of the wheel, and I saw some metal shavings as well. The brake has been ...
5
votes
1answer
1k views

How to install pre bled brakes with internally routed frame

I have a 2017 Salsa Mukluk with an internally routed rear brake. I bought Shimano XT hydraulic brakes to replace the low end mechanicals that came on the bike. My problem is that the brakes came pre-...
4
votes
1answer
73 views

Cantilever Power Hanger

I have bought an old mtb with cantilever brakes. Front has regular yoke and works just fine. Problem is in the rear, where there's a Power Hanger bolted into the frame just above the tire. It looks ...
2
votes
2answers
69 views

Rear V brake replacement

So I am replacing the rear v brakes on my old Saracen ruff trax, callipers, cables and pads. My questions is... Unless I pull the brake cable tight through the calliper the pads do not get close ...
1
vote
2answers
117 views

Quick release and tires moving in the frame?

I have a Schwinn Boundary 2017 and it came with a quick-release front wheel. I noticed that no matter how tight I put the skewer it would be in a different position after extreme braking. The bike ...
28
votes
7answers
4k views

Why do the front and rear brakes work independently?

Why do bicycles have two individual brake levers that work independently to brake each wheel? I've always used my right brake lever because it is more comfortable to do so and I haven't noticed any ...
-1
votes
0answers
71 views

Weird brake rubbing

I have a Voodoo Bizango, which I take mtb riding about twice a month. The other day I took my bike into my work and had to bleed my front brake and replace the pads. We followed all the appropriate ...
3
votes
4answers
546 views

Rear brake cable temporary fix possible?

(Please see edit below; problem might actually be with brake lever) I'd like to know if a temporary resolution is possible for my stuck rear brake cable. Video: https://drive.google.com/file/d/...
4
votes
6answers
6k views

Mechanical disc brakes lacking stopping power

I bought a carbon road bike about 4-5 months ago with Tektro Spyre dual pivot mechanical disc brakes. Love the bike except for the brakes :( Brakes are not too bad on the flat but when going ...
1
vote
1answer
59 views

Finding compatible parts

I am looking for some guidelines for finding compatible pieces with the ones I currently have installed on my bike. I have for instance a right brake lever (bl-m445) which is leaking oil. It is ...
2
votes
2answers
69 views

Shimano MTB levers with Shimano flat mount road disk brakes (hydraulic)

Can you use Shimano MTB levers with Shimano flat mount road disk brakes (hydraulic)? Cheers
6
votes
2answers
12k views

Is it possible to remove a coaster brake from a preschooler's bike?

My boss bought her 4 and 3 year old a bicycle for Christmas, but she didn't notice that one had double hand brakes and the other has only a front hand brake and a coaster brake in the back. The 4 ...
1
vote
1answer
52 views

Mechanical disc brake calipers: Removing pads from top side vs bottom side

Regarding mechanical disc brakes, is it preferable to have a caliper with pads removable from the top side? Shimano BR-RS305-F calipers use pads removable from the top; Shimano BR-R317 uses pads ...
3
votes
1answer
52 views

How to bleed rear SRAM Force 1 brake

I'm having a hard time bleeding the rear brake of my Specialized Diverge. Following closely the instructions provided by SRAM (and other sources like GCN and other people from YouTube) only works for ...
4
votes
3answers
1k views

Minimize freezing of brake cables

Is there something I can spray on my brake cables to keep them from freezing up in cold weather? I want something preferably that will not attract dust. Brakes froze when temperature was 20 degrees ...
16
votes
6answers
6k views

How to build surge brakes on bike trailer?

There are a couple of pretty good answers in How to make a cargo trailer?. After looking at those, at the answer to What are the safety concerns of a high vs a low mount trailer hitch? and doing some ...
4
votes
1answer
1k views

What (kind of?) brake lever is this?

I'm curious as to whether or not anyone knows who makes this brake lever or if anyone makes one like it. I know the bike in the image is a Montreal-based company called Bassi that primarily sells ...
4
votes
2answers
166 views

Why aren’t there more tricycles with rear disk brakes (between the two rear wheels)

Just curious if anyone has seen these before, it would be a rare bird. I'm looking for a trike where the mount for the rear disk brake is mid-axle between the two rear wheels. What are the technical ...
1
vote
1answer
570 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 ...
3
votes
1answer
108 views

Older Shimano Road Brake Levers vs Newer Ones Quality (SLR vs Super SLR)

I'm owner of relatively new (non STI) levers of low Sora/Tiagra level, they are Shimano bl-r400 (Super SLR). Now i'm thinking of replacing them with pretty Dura Ace BL-7402 (SLR). These come from ...
3
votes
4answers
3k views

Single pivot brake with handlebar levers (Resurrecting an old Colnago)

I have an old Colnago I want to resurrect, which after some Google-ing I have discovered is very similar to the bike here (but in blue): I want to replace the drop bar brakes with "standard" brakes ...
1
vote
1answer
65 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 ...
1
vote
1answer
71 views

Long-arm vs short-arm v-brake linear-pull brake: understanding the sizing

When a manufacturer's linear-pull brake comes in two versions, a "short-arm" (82mm) and a "long-arm" (108mm) where/how is that measurement taken? Is it merely the length of the brake from the tip to ...
3
votes
4answers
7k views

How can I adjust for uneven brake wear?

Well, my problems with brakes have turned out to be not an issue with pad longevity at all -- see the following picture: Note how the one pad is excessively "toe-in" worn. Here's a picture of the ...
1
vote
2answers
147 views

Connect Trekking Bike Brakes to Road Bike Lever

A family member will give me his old (high class) trekking bike. I like the bike a lot but would like to swap the steering bar for a road bike one, which I am used to and like a lot. Is it possible ...
0
votes
1answer
62 views

Mechanical disc rotor for CUBE MTB - front wheel : Shimano 559x17-21c

Seeking advice with regards to the size of disc brakes for front wheel. Cube mountain bike. Front wheel: Shimano 559x17-21c. Disc brake: Shimano brake disc sm-rt 10 Centre Lock 160mm Could you ...
9
votes
2answers
5k views

When do I know the drum brake is at the end of life and needs replacement?

I have a city bicycle with a drum brake. Since the braking parts of the system are inside the drum I can't see if it is worn out or not. Are there any indicators that give that information or at least ...
1
vote
1answer
98 views

How to chose the correct hydraulic disc brake rotor size for touring bike?

I have ordered a Shimano Deore M6000 disc brake set. What rotor size should I chose for my touring bike? I am 85 kg and my bike is approximately 15-20 kg.