Questions tagged [brakes]

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

1
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2answers
106 views

Rotor does not fit between pads after replacing the pads

I was having rubbing noises and after taking out the pads I so they were completly worn out. I have shimano r7070 calipers so according to their specs I found in a local shop the L04C as they did not ...
-1
votes
1answer
84 views

How to guide rear brake cable in a frame without brake guides?

I recently bought a fixed frame (polo and bike Williamsburg) which I want to ride as singlespeed. The frame has the hole for the rear brake but does not have any attachment to guide the cable. What ...
1
vote
2answers
87 views

How to protect brake cable that runs beneath top tube while hanging bike on rack

My bike's brake cable runs underneath the top tube. This is a problem when I hang the bike on my rack as the bike compresses the cable against the rack. I came upon this question here: Bike rests on ...
0
votes
1answer
69 views

Help! front wheel brake doesn't brake (Shimano)

when I squeeze my front wheel hand brakes, the lever goes all the way to the grip on my handle very easily. It feels like there is no force to it. On top of that, the brake pads do not move at all ...
1
vote
1answer
55 views

Disc brake pistons won't stay in

I'm trying to replace my brake pads but when I try to push one piston in, the other one will come out and when I push it back in the previous one will do the same... how do I fix this so that both ...
3
votes
3answers
53 views

TRP quadiem brakes - lever not in place

Today I got my new YT Tues bike and I've noticed that front brake lever came off the piston and I have no idea how to get it in place if it is even possible? Is it defective or can I fix it? Rear ...
8
votes
2answers
120 views

Is there a standard disc brake mount to disc brake rotor distance?

I'm new to disc brakes and trying to figure out what I need to buy to buy them for a wide fork (135 mm dropout spacing) with IS disc brake mounts and an electric front wheel. I've researched, but I ...
3
votes
0answers
29 views

SRAM i3 coaster brake only activating after multiple turns backwards

My son's bike has a SRAM i3 internal gear + coaster brake hub. It has recently started sometimes only activating the coaster brake after backpedalling a good one or two full revolutions. When in this ...
6
votes
1answer
62 views

Prevent internally-routed cable housing from vibrating against frame

The rear brake cable and housing are internally routed through the top bar of the frame. It rattles around when riding on bumpy roads and sounds annoying. What's the best way to mitigate this?
1
vote
2answers
170 views

How can one stop brakes from screeching?

I'm hearing that annoying sound when you use your brakes and you get the chills from the screeching sound. I have disk brakes and a relatively new bike. It happens to be front tire shown below. I ...
1
vote
1answer
73 views

Disc brake rub problem

There are a lot of answers for this topic already but I haven’t been able to fix it yet. When my disc brake caliper bolts are loose the rotor does not rub but when I tighten them the rotor rubs. I’ve ...
0
votes
0answers
33 views

Clarks Exo hydraulic brakes can't get fluid in

my son has a Carrera Kraken which is fitted with clarks exo hydraulic brakes. he mistakenly cracked off the bleed nipple last week causing the front brake to be pretty much non operational. I ordered ...
2
votes
1answer
91 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 ...
1
vote
1answer
58 views

Disc brakes not separating with force

I have Tektro disc brakes on my bike, and I guess I pulled the lever when the back wheel was off. After the pads were not separating I tried to force them apart, but got no luck. Is it because there ...
2
votes
1answer
50 views

Yellow anti-rotation washer, Shimano Nexus 3 speed with trailer?

Should I keep or remove the yellow anti-rotation washer when installing a child trailer to my e-bike (EcoRide with Shimano Nexus 3 speed)? The trailer installs through the wheel axle (see attached img....
2
votes
1answer
80 views

BB7 disc brake pads

I have an Avid BB7 front disc brake on a cycle that appears to have a missing inner brake pad. The outer one and the butterfly clip are in place. What might account for this? The cycle is new to me....
17
votes
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
votes
5answers
176 views

Rear tire dragging on rim brake arm

Just bought a used bike- it's great, but needed new brake pads. Got new brake pads and now the tire is rubbing on the brake arm. I do not understand! The front brake is with new brake pads is the same ...
3
votes
1answer
98 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 ...
0
votes
2answers
55 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 ...
1
vote
2answers
103 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?...
1
vote
1answer
78 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
42 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 ...
-1
votes
1answer
85 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.
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, ...
0
votes
1answer
100 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 ...
8
votes
2answers
894 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 ...
1
vote
0answers
48 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 ...
3
votes
4answers
726 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 ...
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 ...
4
votes
1answer
80 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 ...
1
vote
2answers
169 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 ...
2
votes
2answers
72 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 ...
3
votes
4answers
589 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/...
2
votes
2answers
178 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
1
vote
1answer
68 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 ...
1
vote
1answer
64 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
81 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 ...
5
votes
1answer
285 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
1answer
179 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 ...
4
votes
2answers
200 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
77 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
101 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 ...
1
vote
1answer
126 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.
4
votes
3answers
245 views

Fix pushchair brake wire with balls at both ends - can my idea work?

The problem is with a Jane Trider pushchair so it's not exactly a Bicycles question, I'd love suggestions for a better place to ask this. But all the parts are like on a bike, only they are attached ...
1
vote
1answer
66 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 ...
1
vote
3answers
383 views

How do I know what brake rotors to get for my bike?

In the next month or so I plan on getting the 2019 Trek Crockett 5 as a cyclocross/road bike. I will also be getting some nicer road wheels for the bike so I can swap out the wheels whenever needed. ...
6
votes
1answer
216 views

Flat mount brake caliper and rotor tolerances

So I was finishing my build today putting all pieces together on my Diverge 52 carbon frame when something come to my attention: the flat mount SRAM Red hydraulic brake calipers can barely clear the ...
0
votes
2answers
103 views

How do I adjust V-brakes that engage too abruptly

New bike and the front V-brake makes the wheel stop as soon as it is engaged. how should I adjust it to soften it up a bit. will adjusting the angle of the pad have an effect?
4
votes
1answer
443 views

Loctite and brakes

I bought a second-hand bike. It has linear pull brakes. There is a tubular mount made of steel with a male thread which screws into the rear triangle of the bike's aluminum frame. Each brake is ...