How To Replace Rim Brake Pads | GCN Tech Basic Road Bike Maintenance
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- Äas pĆidĂĄn 22. 12. 2019
- Replacing bicycle rim brake pads is very easy and won't take you long at all. It's important to stay on top of your bike's brakes for safety reasons, so knowing when the pads are worn, and how to correctly remove, replace and align new brake pads is important. In this video Chris demonstrates the two common types of rim brake pads and how to replace them.
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year long fan of GCN, but please add subtitles to the videos. I have a mate who is hearing impared and he would appreciate this. Also for non English speakers that could help. Just helping to make an awesome channel even better
If you're watching on PC you can set subtitles on by clicking on the "cc" button at the bottom of the player, if watching on ios click on the 3 vertical dots on the top right of the player and enable captions.
Me with
Lovely rim brake!!! Easy and lighter
I love the disk brake performance on my newest bike, but the fact that this video is half the length of the disk one back in November speaks for itself.
It's still twice as long as the time it takes to replace brake pads.
The brake disc video is how to do a brake bleed, which is similar to replacing a brake cable. It literally takes about 30 seconds to replace disc brake pads only. And a bleed takes about as much time as threading a new cable and adjusting.
I love discs for tour bikes, i.e, for rainy weather and general comfortable stopping power. For my race bike I prefer carbon wheels and rim brakes, they stop great and while just "ok" in rain, the weight savings more than make up for carry around weight we all, most of the time, don't use anyway. Same things for brake calipers, Ted Ciamillo now has out new rim brakes that only weight 129g for the pair (without pads) -- while super pricy, they are, well, very nice, the guy's a great engineer and deserves to be paid. The End.
It only has a quarter of the information it should really have.
Great video! Thanks GCN.
I almost didnât watch this as Iâve had and adjusted rim brakes for awhile now. Iâm glad I did though because I still learned something new with the drivers license trick!
Brilliant video, thank you!
Thanks! It will help me to do this for the first time âșïžđ
Hi Chris. Thanks for the great shows. I was advised by Easton to use acetone to clean my carbon rim brake tracks , with the caveat to keep it away from the decals. any thoughts ?
Wish I knew the card technique! That would've been so nice when I was in a bike shop!
Thanks for usefull info.
Iâm happy to be learning as I canât find reliable service where I liveâŠtime to learn and do it myself!!
well done. thanks.
Pro Tip: Before putting new pads on give your wheel a good clean as the dirt, grease, grime will reduce performance on the braking surface.
Once done dry the wheels off.
Good tip
For Aluminum rims I use a piece of mild "scotch-brite" pad and a little soapy water. Removes the accumulated brake rubber which can be tenacious and contributes to modulation and squealing problems. Mavic make a special abrasive "eraser" for this but it is expensive.
I use rubbing alcohol to clean my rims, but if you don't have that, some high proof vodka might do the trick! đ
@@Awkward_Fox Lol i hope you use a type of degreaser first then alcohol; altho alcohol does leave a residue free surface its not as good at breaking down heavy dirt and grease in the first wash.
I think this video missed multiple steps and a lot of important info.
Very good thanks very much
Thank you so much! I needed to change for my carbon fiber wheels, I felt so successfully doing that after watching the video, that now I think that I can service my entire bike! LOL thanks!!
Isnât it preferred for the pad initial contact to occur from the direction of rotation, thus cleaning the wheel surface of any debris, similar to a squeegee, before the pad contacts the remaining surfaces?
Thanks Chris and Merry Christmas. BTW, hair looking very sharp- Wet or dry lube?
This is a real step up
I'm building a classic 80s road bike with modern Sram Rival 11 speed groupset and 700c wheels. I have the chance of buying a set of beautiful early 80s Shimano 600 Ax parallelogram calipers that have the correct drop. Do you know if they will work reasonably well with Sram 11 speed levers and do they actually stop the bike well. New Kool Stop pads are still available.
Amazing
Eeexxactly what i need right now
Hi!
I want to change my old Shimano 7900 130 bcd 53/39T crankset on my bike to a modern compact 50/34T. Will an newer 11 speed crankset work with my 10 speed system or do I have to look for a used Shimano 7900 110 bcd?
Thanks Nypan!!
I had this issue, and had to get a new chainset with 110bcd
some rim brakes don't have a grub screw to hold the blocks but a small spring clip at one end of the holder
My 4 Pads does not slide off, they are stuck. Reynolds blue on shimano ultegra for carbon rims.Any suggestion?
We don't have warm sunshine here in South Australia, just a furnace cooking us all.
Using the credit card to toe-in the pads is a great tip. I used a 2mm feeler gauge in the past, but really like the idea of using plastic on carbon rims.
The only use I have for business cards.
With higher end modern comp like Shimano 105 and above you really dont need to toe in anymore. That was a relic from when blocks were more felixble and calipers more bendy. Now you just wear down your blocks quicker on one edge than another. In this video he toes out. There is alot wrong with this video.
The parktool vids are really thorough if you rly want to master these concepts.
czcams.com/video/JpJrslWIUxM/video.html
Toe-in is a complete waste of time
In my experience pads never come out that easily particularly if youâve been riding in poor weather.
That was my experience, too, until I bought the Shimano pad holders you see at 2:35, with the little fins on them. Brand-new pads come out as easily as shown in the video; old ones that have been used on grotty roads in grotty weather need a gentle push with a screwdriver but it really is easy.
My brake pads are rock hard, I am not sure if they are meant to be like that but a bike shop changed them in July 2020 and they seem to have tons of life but braking performance is not great and my pads seem rock hard and I have 1,000+ miles on them. Should I replace them?
Hey GCN! There have been a number of new puncture mitigation tech that have popped up recently. Maybe you could do a video about them?
have you looked into having on-screen graphics in your tech videos, similar to park tool's channel?
A graphic showing how the washers work on the brake block would be useful for any novice mechanic out there.
Some pads dont have the grub screw, Campagnolo for instance. Otherwise its like removing teeth. wiggle wiggle and pull.
So, I did check my pads when mounting a new set of wheels recently and found bits of metal stuck in the pads themselves; picked them out and smoothed the pads with sandpaper, then a vigorous cleaning.
#AskGCNTech: Where does do these shards come from and is there any way to prevent them?
Assuming you have Alu rims, they come from the rims themselves. The more you get the more you *will* get as they scour the rims harshly. If your pads acccumulate a large amount of them quickly, consider changing to a more rim-friendly compound. Or possibly your pads are old and have gotten hard.
@@BixbyConsequence How/why does this happen? Year-old RS700 wheels, year-old Ultegra pads...
I've searched for rim-friendly pads, finding no data but plenty of marketing trumpery, and naked opinion.
Hi Chris , Ken here . I started cycling 4 yrs and ago so far I'm up to 3 bikes . Even though all have disc brakes , I did enjoy seeing how simple rim brakes are maintain , cool video .
Hi
Campy vs TU break pads. What's the difference?
Great video, thank you! Your driverâs license is gonna get so dirty
I feel as though the toe-in technique is not of much use as the pad will eventually wear down and be flat/parallel to the rim once again after a few rides. I could be wrong.
Now i can change the brake pad easily every time i change my wheels
Good video but 1 obvious issue is; If you don't have a bike fitted with brake pads and the pads you've bought didn't come with fitting instructions eg. ASDA sell brake pads with no diagram showing how to assemble on the bike - you can't "take a photo" or copy what's already there so how do you know which parts of the kit go where??
But if the pads are pretty worn, first thing you need would be to make some adjsutment coz new pads will be thicker. Where do you usually adjust, the barrel adjuster or the brake cable?
What are some good pads for the ultegra 6500 ?
All Shimano rim brakes take the same pads and all the third-party manufacturers make pads for all systems, so your question is mostly equivalent to "What are some good pads?"
I don't have any particular recommendation. At the moment, I'm using Shimano pads; I used to use whatever the local bike shop sold but I now live in a town where I don't like any of the bike shops.
SwissStop or Kool Stop brake pads.
My new bikes never came with toe in pads. Tried toe in and braking performance is worse. I dont think it's necesssary
Do you have to toe in pads? I have done on mine but only because I read that you should đ. Wondered if it actually makes a difference if you just line up flat against the rim?
Helps with brake power modulation and can avoid help squealing
@@TheSpaceBrosShow oh ok. Thanks for the reply. I never knew why đ
I find the pads can squeal if not toed in
No not these days with good comp.
If you toe in the blocks soon wear flat
What is the point of the little wings at the bottom of the brake block? Any harm in chopping them off?
They're a hand-grip for when you're pushing out the old block. I wouldn't try to cut them off. The weight saving would be next to nothing and you risk weakening the holder. Buy a brand that doesn't have them, instead.
@@beeble2003 I saved 5g đ can't complain
This is my first road czcams.com/users/postUgkxMesz3KOGEmwmvyKQfLfrRSUXLFzfVHZA and I have taken it out a handful of times and so far it is exceeding all of my expectations. I didnât want to break the bank on a first bike and the herd is a great option for getting a fast bike with reliable components. I plan on riding this bike for many years to come. Thank you Sava!
3:23 âpadâ sounds like auto Tuneđ
Always having trouble with the bolts holding them in, there rounded each time
Alex Hazard use the right tools
Are the brakes aluminum?
Would be good to mention Campy cartridge is different than Shimano
Why didn't you make a video with a bike that really did need its pads changed?
And shocking lack of precise detail about the wheel remover cable release lever. At 7:00 its still in the up position when you should only adjust the cable when in the down wheel secured position. And no mention of the cable barrel adjuster and how you should turn it all the way clockwise and then back off a half turn. Really a half assed video this one and I normally love GCN for their great work....
"Why didn't you make a video with a bike that really did need its pads changed?" They probably didn't have one to hand -- most of the GCN presenters use shiny new disc-braked bikes. If you use the Shimano pad holders shown in the video, used pads come out nearly as easily as brand-new ones.
You're mistaken about the quick-release on the brake. The open position is shown at 3:35; he closes it at 4:32 and it stays closed until the end of the video.
Good point about the barrel adjuster, though. Probably he forgot that because the cable was already properly adjusted, since he took the pads out and put them straight back in.
Seems like the most straightforward task, but GCN created a video for it...
This reminds me. Better check my pads. Oops.
i never seen any of these pads ,dont most have allen keys and slot out of the body ?
Hope you've changed them now
@@gcntech checked today before my cafe ride. Got some life left.
That front mount brake pad is exactly the same pad my road bike usesđđ
Umm do u really need to take the tire off? Cause Iâm just I kid I donât know how to put it back or even take it off if ur asking that who do I go biking with im with my aunt ok
Can u tell me how to remove a wheel with a bolt easily .beacuse my wheel tends to get misaligned pls pls pls pls pls gcn
Easy to round those Grub screws especially if youâve got some oxidation there, then your looking at new brake pads and holders. Bad system in my opinion
I can't see any other way of designing it. In my experience, the grub screws sieze so rarely that it's definitely cheaper to use holders and inserts and occasionally replace a holder if it gets messed up.
I'm trying to ride without them, on bmx you sometimes brake going backwards but if thry fit snug they should b ok, still did not find good pads wben ss bxp
Sorry Chris, but Zipp carbon brake pads donât last longer than those used for aluminium rims. The Tangente pads are awful. Theyâre made of a substance similar to cheese, and last about as long.
Totally agree. Great performance, short life. I use them on my Zipp 303s...
Have pros ever thought of putting small brake levers on the top of bars beside the stem. Would really aid braking especially when there is a sudden crash in the peloton.
If found that having to move hands quickly from top of the bars to the drops takes a second at least.
Some pros still use brake levers on the tops of their bars at races like Paris Roubaix where they'll be riding on the tops more often!
@@gcntech we all should. smart, does shimano make the system?
In most road races, they're only riding on the tops on steep climbs, where sudden braking is rarely required. The rest of the time, they're on the hoods or drops and have easy access to the levers. Or they're resting their forearms on the tops, in which case they've already taken the gamble that they won't need to brake any time soon and levers on the tops wouldn't help much.
If you're thinking of the old "suicide levers", they don't exist any more because they gave terrible braking and a false sense of security.
It's easy when you check new brake blocks on a surgically clean bike.
When I change my blocks, after a couple of thousand miles, the little screws invariably round off and the worn blocks have to be forced out. Those screws are made of cheese.
I almost never have a problem with the grub screws: maybe your preferred brand of pads comes with crappy screws or you're using an Allen key that's slightly too small? I find that used blocks come out of the Shimano holders shown at 2:35 pretty easily. Not as easily as those brand-new blocks but they just need a little push with a screwdriver, rather than the ten minutes of swearing I've had with every other holder.
Just crap screws. They are 1.5 mm so no chance of an undersized Allen key in a metric set. A screwdriver slot would be better.
@@grahamaustin9085 I meant undersized in the sense that a 1.5mm key made to low tolerances might only be 1.4mm or something. Cross-head screws round off horribly, but a flat-head might be OK. I guess they went with Allen bolts because that's what everything else on the bike uses. (And because the point of Allen bolts is that they round off less than screws. In theory. Which is totally the same as the real world, as we all know.)
@@beeble2003 Good point one of the 2mm keys I use is 1/100 mm down on min dimension across the corners (2.19) and the same across the flats; the other is at size.
@@beeble2003 I think you have a point there - my old Allen key is 0.05mm down while the newer ones are pretty much on size.
Did you file the "Lawyer Lips" off the front fork? Naughty! đ (You'd never do such a thing, of course)
hmm handsome man
Opie would make a fortune going about doing mobile bike maintenance in the buff.
đ
gives a new meaning to bike porn.
Coming soon: How to replace the heads in your tape deck/VHS.
Followed by: How to fix your Zoetrope.
First time swapping pad-type brakes - can I buy a different brand of pads and have them work in the old cartridges?
Every GCN video misses VITAL information. Sometimes your brake pads will be VERY hard to remove from the shoe. They donât always slide straight out like on this video. Details lads for fucks sake.
To much yapping.
yeah uh we got disk brakes these days boss
On mountain bikes, sure, and there's at least one GCN video about changing disc brake pads. There are _a lot_ of rim-brake bikes on the road. Lots of people ride older bikes. Lots of people prefer the simplicity of rim brakes. Plenty of people don't want the weight penalty of discs.
Third comment
Rim brakes? Is this 1981?
It's hilarious how disc brake marketing victims feel a constant need to justify their misguided purchases.. :-) :-)
how does that hassle in removing and maintaing your disc breaks sound?
1st comment
Way too much talking get on with it
What are ârim breaksâ??
đđ
A superior breaking technology that is more aerodynamic and lighter than disc breaks. Stopping power is negligibly less, making rim breaks the choice for cyclists wanting the most performance out of their bikes.
@@Jeff-bd4gg True, unless you have carbon rims and it's wet. Under those circumstances braking distance is massively increased (certainly on Zipps), and rim wear is also an issue.
theonlytruefalcon looks like I triggered the disc break fan boys. I donât care what you use. Ride your bike and have fun. The op made a joke, I played along. No need to get butt hurt.
What JD said. Love rim brakes.
Ew. Rim brakes nahhhh
If you have to be shown how to do this you shouldn't be doing this đ
Everyone has to learn at somepoint!
Gotta learn somehow. We're not born with knowledge, we acquire it.
Ah, I'm sure you were changing brake pads out of the womb
if that were the way the world worked we would have one generation of any sort of civilization and zero progress. perhaps you might re-phrase your comment to clarify your meaning.
My point is rim brakes are simple pulley system, lever at one end, cable and clamping system at the other, with blocks rubbing on harder metal (usually but not always, but highly probable given the readership/viewer). If you need to receive instruction about so thing so simple that if you get it wrong can lead to death and or significant damage and or pain for the rider and others in his or her vacinity, then maybe they shouldn't be tinkering. This is my opinion. Happy if you disagree, but there is(I'd argue) a level of competency and common sense below which you should be tempting folks to dabble. Hope this clarifies the brief original comment made. Miles.