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Questions tagged [brake-levers]

Hand control for actuating your bike's brakes.

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11 votes
2 answers
28k views

What is the actual cable pull of brake levers?

I understand that there are 2 brake lever cable pull standards: Standard Pull Levers Long Pull Levers (for V-brakes and disc brakes) But what is the actual difference in pull? And specifically: what ...
Duvrai's user avatar
  • 213
11 votes
1 answer
1k views

Ultegra ST-R8020 Lever: crack near brake hose interface

I have a bike with a left ST-R8020 hydraulic disc Ultegra lever, and I just noticed a large radial crack on a what seems to be part of the brake connection path (see picture). The crack seems to ...
calofr's user avatar
  • 1,089
9 votes
3 answers
12k views

Can a Shimano XT (mountain) hydraulic disc brake caliper be used with an Ultegra STI road brake lever?

Specifically, is the XT BR-M8020 mountain caliper compatible with an Ultegra hydraulic road brifter like like the ST-R8020 or ST-R8070? I have confirmed that they both use BH90 brake hose ("high ...
John McD's user avatar
  • 175
9 votes
1 answer
923 views

Shimano Dura-Ace R9120 lever leaking

My bike's Dura-Ace R9120 rear-brake/front derailleur shifter (left shifter in UK) leaks brake fluid when I pull hard on the lever. It leaks from this specific place: I understand this lever is ...
Paul Suart's user avatar
9 votes
2 answers
3k views

Shimano Hydraulic brake 90-degree angle hack

Does anybody know of a way to get Shimano Hydraulic brake hoses to exit the levers at a 90-degree angle? I ride a recumbent and at the moment I have to put up with a huge loop in front of my eyeline ...
Mike's user avatar
  • 91
8 votes
2 answers
11k views

Are brake lever reach limit screws necessary for any reason?

I have some generic cantilever brake levers on my MTB. The brake reach adjustment screws are normally fully wound out, so are not limiting the brake's reach at all. Can I remove them permanently ? ...
Criggie's user avatar
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8 votes
1 answer
1k views

My front brakes contact the rim at different times instead of simultaneously. Is that normal or are they misaligned?

here's the video for reference When I lightly apply the brakes only one part makes contact with the wheel which makes a squeaking noise. How can I change this? I'm ...
tanishq sagar's user avatar
8 votes
6 answers
10k views

What and where is the weeping port on Shimano MTB brake levers?

I understand that when you overfill some models of Shimano hydraulic brakes with oil, the excess will flow out of a one-way valve called weeping port, but cannot find any technical documents, pictures ...
Mick's user avatar
  • 746
8 votes
1 answer
1k views

New road bike comes with cryptic tag on the brake/shift lever

I just got myself a B'twin Triban 500; this is my first road bike, and my second bike overall, so it's fair to assume I'm as newbie as can be. The brake levers came with the following sticker, and I'...
Michaël's user avatar
  • 183
7 votes
3 answers
2k views

What's this "spacer" lever on the front brake lever for?

I made this lamp for my son out of his old Miyata he used to ride all over on. It was too good a machine to just sit outside and ruin. We never noticed this "spacer" lever on the front brake lever. ...
Speeedy6's user avatar
7 votes
3 answers
9k views

What to call bike brake levers with two gripping points?

I have a Schwinn Letour bike which has brake handles that can be gripped from two different points, but the whole brake handle is a singly body of metal, as can be seen here: I am wondering what this ...
Cupitor's user avatar
  • 173
7 votes
1 answer
2k views

Brake levers for riding in upright position

I'm trying to find out the correct name for the brake levers that are on a bike so that you can ride in a nearly upright position? I had an old Schwinn 10 speed that not only had the regular brake ...
scorpio012's user avatar
7 votes
2 answers
8k views

How to improve braking with hands on hoods?

I have gravel bike for around 3 months now with mechanical disc brakes and one thing I have problems with is braking. When I ride on drops (which I do rarely) I can brake well -- I pull the brake ...
greenoldman's user avatar
  • 2,064
7 votes
2 answers
550 views

Are clear hydraulic brake lines available for sale?

Since all brake lines are not see through, the only way to determine if your brake needs a bleed is by feeling the brakes. If they are "squishy", then you need a brake bleed. I'm of the ...
Kellen Stuart's user avatar
7 votes
2 answers
4k views

Gear cable head stuck in Shimano Sora lever

During the replacement of gear cable (Shimano Sora 2017 brake/gear levers), I incorrectly threaded the gear cable, gave it a little tug, and now the head of the cable is stuck in the lever housing, ...
Preston's user avatar
  • 311
7 votes
3 answers
9k views

Hydraulic brake lever doesn't return after being released, dependent on weather

I have a pair of second-hand Shimano ST-RS685 hydraulic brake levers / shifters. Unbeknownst to me they hadn't been used for a year and had quite a bit of dirt / grit inside, which I've cleaned to a ...
CuthbertAnnihilator's user avatar
6 votes
2 answers
1k views

New front fork has steel caps on V-brake mounts - can these be removed to expose threaded mounts beneath

I just bought the red front-fork below which has these metal caps on the V-brake mounts: But my old fork looks something like the below, where the mounts are very different: As you can see; those ...
Astrid's user avatar
  • 163
6 votes
1 answer
3k views

How to interpret Shimano compatibility chart?

How does one interpret the delineation of horizontally-aligned boxes on the Shimano compatibility charts? Below is a screenshot (with added blue numbering) for discussion purposes. For example, why ...
ETL's user avatar
  • 265
6 votes
1 answer
1k views

Clips/extenders for road bike brake levers?

While on the hoods, I'd like to have a bit more surface area, or leverage, for engaging the brakes. I saw somewhere that there are clips or extenders that attach to the standard lever, providing a ...
Jason's user avatar
  • 161
6 votes
1 answer
313 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 ...
Saaru Lindestøkke's user avatar
6 votes
2 answers
733 views

Need advice for my brakes on vintage Torpado

I got nice Torpado as birthday present. I am not sure if the brake levers are too big for my hands, or too old. They seem very tight but also not that easy to reach. I am 5.3 tall, the frame is 49cm. ...
Vita Vilcina's user avatar
6 votes
1 answer
3k views

Shimano Hydraulic disc brakes- Lever compatibility

I am looking for practical advice on compatibility between various Shimano hydraulic disc brakes, especially the lever assembly. Currently I have two separate sets, one M446 Left lever, attached to a ...
biker12's user avatar
  • 705
6 votes
2 answers
3k views

Shimano 105 ST-5500 gear sensor mechanism

I have a pair of Shimano 105 levers and would like to know what sort of mechanism is inside the shifter to track what gear it's on? Is it a potentiometer? Or maybe small switches? Also, does anyone ...
TAs's user avatar
  • 61
6 votes
0 answers
459 views

Shimano road bike lever leaking mineral oil

I have a leak in my Shimano DA 9170 (right) shifter. When I do a bleed, everything seems to work for a ride or two and then I start to lose braking power and the underside of the brake hood is wet ...
learnedhypothesis's user avatar
5 votes
5 answers
983 views

LBS won't Service Shimano Dual Control Lever

I have a bike with Shimano 105 dual-brake/control levers. But the right one stopped shifting, so I took it to my LBS to have it serviced. I asked them to take it apart and clean/grease the mechanism. ...
someguyinafloppyhat's user avatar
5 votes
1 answer
1k views

Brake Line no Longer Connected to Brake Lever

Randomly a couple of days ago, my left brake stopped working. When I investigated, the bolt or nut or whatever that had held the brakeline inside the brake lever was missing! Image showing brake ...
Searke's user avatar
  • 151
5 votes
5 answers
13k views

Braking on a vintage road bike

I recently bought a vintage Gitane road bike. I understand that in the 70s and 80s they sold a lot of these road bikes with drop handle bars. Sometimes they came with the extra lever for an easier ...
J. Doe's user avatar
  • 51
5 votes
2 answers
2k 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 ...
Ben's user avatar
  • 53
5 votes
3 answers
3k views

Switching the position of brake levers for a bike ordered from another country

I purchased a bike from Germany and I noticed the front brake lever is on the left and the back brake level is on the right. I'm from the UK, and all the bikes I've ever ridden have had a setup that's ...
LondonGuy's user avatar
  • 235
5 votes
2 answers
367 views

What are cheap options for an extra set of brake levers for mechanical disk brakes?

A quick question. I want to have an extra pair of brake levers for my mechanical disk brakes set at a different position on my handlebar(s), and I want the whole upgrade to cost as little as possible. ...
Taipen's user avatar
  • 95
5 votes
2 answers
7k 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 ...
Herr Derb's user avatar
  • 383
5 votes
1 answer
22k views

SRAM Guide brake lever won't return

I have an SRAM Guide brake (rear) that after bleeding, the brake lever won't return quickly. At room temperature, this is barely noticeable, but when the temperature climbs, or the bike is in the ...
Scott Lundberg's user avatar
5 votes
1 answer
617 views

cleaning v-brake arms with riveted inner sleeve

I've got avid single digit 5 v-brakes, those with an inner sleeve riveted into the arm; the sleeve isn't supposed to move around the pivot, the arm itself moves around the sleeve instead. Arguably due ...
Xpector's user avatar
  • 327
4 votes
3 answers
757 views

Replacing hydraulic brake lever

This is my first time dealing with hydraulic brakes. The front brake on my bike is Shimano BL-M4100 lever with MT410 caliper. I stripped the lever's clamp thread and going to replace the lever with a ...
Andrey Agibalov's user avatar
4 votes
1 answer
337 views

How are brake cables installs for drop and flat lever combo brake system?

I have an old traitor wander which is a discontinued series. The brake system is curious but interesting. I'd like to reroute brake cables and levers but I don't want to open a can of worms. Is there ...
AdamO's user avatar
  • 387
4 votes
1 answer
3k views

Cross top Levers as primary brake

Has anyone ever tried to use Cross Top levers as your only braking method (ie not just as an interrupter for the drop levers)? I'm guessing it wouldn't work as you need the cable to go straight ...
Darren L's user avatar
  • 219
4 votes
4 answers
8k views

Hydraulic disc brake - lever compatibility

I purchased a gravel bike with drop handlebars, mostly for commuting and maybe for some weekend bike camping trips. I've only ever ridden mountain bikes with flat bars in the past, but I figured I'd ...
Thomas's user avatar
  • 41
4 votes
2 answers
153 views

Identifying missing small part Campagnolo brake lever

I'm missing a small part that guides the brake cable in my Campagnolo brake lever. Any idea how to find one of these? Update: This is what the part looks like (taken from the other lever)
Tomer Weller's user avatar
4 votes
1 answer
2k views

Short Pull Brake Levers

The brake levers on the bike for my son are too far apart for him to grab comfortably; can the lever be changed to adjust for his smaller hands? His bike is a Magna Hardtail with a linear pull system. ...
Otis's user avatar
  • 41
4 votes
1 answer
8k views

Use of Shimano long-reach calipers with "New Super SLR" brake levers/shifters

So my bike has Shimano Tiagra ST-4600/4603 brifters (it's a triple) but is fitted with long-drop BR-R451 calipers. In theory, these should be incompatible because of the change in cable pull ratio, ...
jbuk's user avatar
  • 231
4 votes
3 answers
8k views

Buying brake levers, how do I find the correct ones for my bike?

I took a hard spill the other day on my mountain bike and snapped my left hand brake lever in to pieces. The ones that snapped are stock alloy rubbish that came with a Specialized Hardrock 2010 Disc ...
Ross Drew's user avatar
  • 143
4 votes
1 answer
1k views

What is considered a small hand for shimano?

The new shimano r7000 offers two options r7025 and r7000 in the brake levers, the first one is for small hands. What is considered small hands?
nck's user avatar
  • 1,509
4 votes
2 answers
1k views

Interoperability of hydraulic disc brakes and levers between model lines/manufacturers

My bike came with Shimano Deore XT M765 hydraulic disc brakes and Shimano Deore XT M756 hydraulic levers Dual Control units. I wonder whether the calipers from one manufacturer can be connected to ...
Christopher Field's user avatar
4 votes
1 answer
225 views

How tight should brake lever clips be?

I've ordered some second-hand handlebars from one seller on eBay, and brake levers from a different seller. Both claim to be 22.2mm diameter but the clip on the levers (as photographed) will be a very ...
Matt's user avatar
  • 977
4 votes
1 answer
752 views

Stripped reach adjustment screw on GRX RX 815 levers

In trying to decrease the brake lever reach on my GRX Di2 shifters, I seem to have stripped the 2mm hex screws. They are located in an awkward position on the top of the shifters: https://si.shimano....
Rankeya's user avatar
  • 141
3 votes
3 answers
783 views

How do barrel adjusters for v-brakes work?

I have been thinking about barrel adjusters and I don't see how they can be truly effective although they appear to work, except on this particular bike where they don't seem to do anything. Is there ...
vfclists's user avatar
  • 329
3 votes
3 answers
2k views

Where/how do I reduce travel on my brake levers?

How do I reduce travel my brake lever? (To brake currently, I practically have to depress it all the way to the handle bar.) I don't see any place to put an allen wrench anywhere. What am I missing?
mobeets's user avatar
  • 197
3 votes
2 answers
8k views

Can the brake levers be moved from the side to the top of the handlebar?

My bicycle currently looks like this: Can I move the brake levers from the side to the front, so it looks like this? How do I go about it, and is it good idea? I'm new to riding this kind of a ...
Vinod Vishwanath's user avatar
3 votes
2 answers
430 views

Help identifying and sourcing a part for Shimano brake lever

A few weeks back, when trying to refit the v-brakes on my son's MTB after taking the wheel off, I shattered a threaded plastic washer on his Shimano brake & gear lever (ST EF500). I call it a ...
GrandMasterFlush's user avatar
3 votes
4 answers
6k views

How to mount TT shifters and TT brake levers together?

I am starting a new project to build a custom bike with bullhorn handlebar. It'd most likely be made either with road or hybrid type of frame. I am planning on having both front and real derailleurs, ...
Boris's user avatar
  • 197