Disc or V Brakes ??
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Disc or V Brakes ??
My wife and I are looking at getting a couple of new Specialized Cross trail bikes for trail riding. Most of the trails we ride are paved. We both have experience with V Brakes but the bikes we are looking at come with ether Disc brakes or the V brakes. My wife likes the color of the bike with Disc brakes, Ha,Ha,Ha. I have no experience with Disc brakes. Any advantages or disadvantages with Disc over V brakes?
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My wife and I are looking at getting a couple of new Specialized Cross trail bikes for trail riding. Most of the trails we ride are paved. We both have experience with V Brakes but the bikes we are looking at come with ether Disc brakes or the V brakes. My wife likes the color of the bike with Disc brakes, Ha,Ha,Ha. I have no experience with Disc brakes. Any advantages or disadvantages with Disc over V brakes?
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Advantages are only in the rain or snow (or mud off-road, I suppose.) Rims don't wear out braking in poor conditions. Braking action and feel is consistent regardless of condition. Easier to adjust and keep adjusted than V-brakes
Disadvantages are greater initial expense, greater weight, special hubs means fewer wheel choices.
I've had a disc brake road bike for several years now. I ride it in all conditions year-round and wouldn't have any other braking system in bad weather. There's no reason for them in fair-weather cycling, and my three fair-weather bikes all have rim brakes.
Disadvantages are greater initial expense, greater weight, special hubs means fewer wheel choices.
I've had a disc brake road bike for several years now. I ride it in all conditions year-round and wouldn't have any other braking system in bad weather. There's no reason for them in fair-weather cycling, and my three fair-weather bikes all have rim brakes.
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I have both kinds of brakes and like the disc brakes much better than the old fashioned V brakes. In addition to better stopping in all conditions disc brakes take the wear and heat off the wheels and tires. Actually except for the most slavish of the weight concious there is no reason for anything but disc brakes. Their benefits are the main reason disc brakes are the automotive world standard now instead of the old drum brakes.
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I've had my "disc brake" bike for 2 years now and JMHO, I'm not impressed. Do they stop good, YES and have a better overall feel than my V-brake bike BUT, they seem to need to be cleaned constantly or they make noises (like grinding rocks), I've had the pads checked several times and they are just fine so I have no idea why, even after cleaning, they last a couple of hours, with a nice smooth wirr sound then start sounding like their "grinding rocks again"?? Mine are OEM, that came with my 2009 Jamis Trail-X 3.0 (Tektro??), I've been looking at going to "Avid BB5's" (I've converted my MTB to a road touring bike, so I don't need the 8in. disc's of the BB7's) and just hope that this brand, which seems highly recommended can solve my noise problem. The 2nd. problem I find is that if you have a flat, you have to get the disc lined up "perfect" when replacing the wheel or it makes rubbing noises, arrrrrugh. I've found that I check the alignment of the disc between the pads, put the wheel back on, then with the "weight of the bike" on the wheel, I just move the disc a bit "side to side" and that seems to get the "disc" in just the right place.
JMHO, but the wife's bike has V-brakes and they seem to need very little adjustment or noise. When I buy my next bike, it will have "V-brakes" or better yet, the "cyclocross style cantilever brakes", I like evern better than the V-brakes. YMMV.
JMHO, but the wife's bike has V-brakes and they seem to need very little adjustment or noise. When I buy my next bike, it will have "V-brakes" or better yet, the "cyclocross style cantilever brakes", I like evern better than the V-brakes. YMMV.
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I've had my "disc brake" bike for 2 years now and JMHO, I'm not impressed. Do they stop good, YES and have a better overall feel than my V-brake bike BUT, they seem to need to be cleaned constantly or they make noises (like grinding rocks), I've had the pads checked several times and they are just fine so I have no idea why, even after cleaning, they last a couple of hours, with a nice smooth wirr sound then start sounding like their "grinding rocks again"?? Mine are OEM, that came with my 2009 Jamis Trail-X 3.0 (Tektro??), I've been looking at going to "Avid BB5's" (I've converted my MTB to a road touring bike, so I don't need the 8in. disc's of the BB7's) and just hope that this brand, which seems highly recommended can solve my noise problem. The 2nd. problem I find is that if you have a flat, you have to get the disc lined up "perfect" when replacing the wheel or it makes rubbing noises, arrrrrugh. I've found that I check the alignment of the disc between the pads, put the wheel back on, then with the "weight of the bike" on the wheel, I just move the disc a bit "side to side" and that seems to get the "disc" in just the right place.
JMHO, but the wife's bike has V-brakes and they seem to need very little adjustment or noise. When I buy my next bike, it will have "V-brakes" or better yet, the "cyclocross style cantilever brakes", I like evern better than the V-brakes. YMMV.
JMHO, but the wife's bike has V-brakes and they seem to need very little adjustment or noise. When I buy my next bike, it will have "V-brakes" or better yet, the "cyclocross style cantilever brakes", I like evern better than the V-brakes. YMMV.
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If you need the best braking possible- then top quality disc brakes are the only way. Cons are expense and weight.
I can't see any need for fitting them on a road bike. Rim wear is not excessive and if the brakes don't work well enough then the brakes just need sorting----Or changing.
But offroad--Rim wear can be bad. I only get around 2,000 miles to rims in our winter mud and summer dust before the rim will start to bow at higher pressures. Admittedly that is on the lightweight Mavic rims- but they are the only ones I use. V Brakes are completely adequate and the rim wear is acceptable as by the time the rims are worn- The hub has had it aswell.
But the tandem was fitted with discs after one year of V Brakes. Too many occasions where V's were not good enough and we went through a Heavy weight rim in 500 miles. But those disc brakes and the top quality wheels to go with them were as much as I paid for the TCR-C.
I can't see any need for fitting them on a road bike. Rim wear is not excessive and if the brakes don't work well enough then the brakes just need sorting----Or changing.
But offroad--Rim wear can be bad. I only get around 2,000 miles to rims in our winter mud and summer dust before the rim will start to bow at higher pressures. Admittedly that is on the lightweight Mavic rims- but they are the only ones I use. V Brakes are completely adequate and the rim wear is acceptable as by the time the rims are worn- The hub has had it aswell.
But the tandem was fitted with discs after one year of V Brakes. Too many occasions where V's were not good enough and we went through a Heavy weight rim in 500 miles. But those disc brakes and the top quality wheels to go with them were as much as I paid for the TCR-C.
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Aside from water and mud problems, disc brakes can also be valuable in hill country where heat shedding becomes worthwile on long downhills. Head on disc rotors does not melt tubes.
Hill country, bad weather, mud or riding through standing water all are good reasons for using discs. Light weight bikes with ease of setup and maintenance for the mechanically disinclined favor rim brakes (which are actually big disc brakes if you care to look at it that way).
Hill country, bad weather, mud or riding through standing water all are good reasons for using discs. Light weight bikes with ease of setup and maintenance for the mechanically disinclined favor rim brakes (which are actually big disc brakes if you care to look at it that way).
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Beside the obvious advantage in the wet, disc brakes offer consistant power even when hot. On the mtb my total weight is around 240 pounds, and on a long descent discs are just more powerful.
#11
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I like disc brakes, for no other reason than how powerful they are. Both of my lowracers have discs because I believe braking ability should be proportional to speed ability. But for riding on MUPs in mostly nice weather? Probably not worth the extra expense.
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I've had my "disc brake" bike for 2 years now and JMHO, I'm not impressed. Do they stop good, YES and have a better overall feel than my V-brake bike BUT, they seem to need to be cleaned constantly or they make noises (like grinding rocks), I've had the pads checked several times and they are just fine so I have no idea why, even after cleaning, they last a couple of hours, with a nice smooth wirr sound then start sounding like their "grinding rocks again"??.... The 2nd. problem I find is that if you have a flat, you have to get the disc lined up "perfect" when replacing the wheel or it makes rubbing noises, arrrrrugh. .
.
But, this debate could go on forever.
Get the color you like.
#13
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Mine are OEM, that came with my 2009 Jamis Trail-X 3.0 (Tektro??), I've been looking at going to "Avid BB5's" (I've converted my MTB to a road touring bike, so I don't need the 8in. disc's of the BB7's) and just hope that this brand, which seems highly recommended can solve my noise problem. The 2nd. problem I find is that if you have a flat, you have to get the disc lined up "perfect" when replacing the wheel or it makes rubbing noises, arrrrrugh. I've found that I check the alignment of the disc between the pads, put the wheel back on, then with the "weight of the bike" on the wheel, I just move the disc a bit "side to side" and that seems to get the "disc" in just the right place.
Also, get rid of the metallic pads that come stock with the brakes and get organic pads. All your grinding noises will go away.
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But there are drawbacks. Although we have the calipers and discs set up properly- Replacing a wheel is not easy. When everything is covered in mud it is almost impossible. You have to use the right Fluid for your system and that has to be changed on a frequent basis. Pads are very thin to start off with and mud and grit can wear them out quicker than you think. And transporting wheels- on or off the bike- you have to take care not to warp the discs.
For most bikes in "Normal" use- disc's are not necessary and they do require regular maintenance to keep them working- the same as any brake set up- but on the road or trail they are not easy to adjust. I only have them on the Tandem where they are required- but I also carry a spare set of pads- a spanner for the bleed nipple and 100cc of Fluid. Never had to use them on the trail- but have had to re-adjust before a ride after setting them up perfectly in the shed the day before.
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I absolutely love the Avid Juicy 5 hydraulic disc brakes on my mountain bike. They are strong, easy on the hands and modulate well for tricky offroad conditions. But V-brakes served me well (but not as nicely) in the same situations for years before I got the bike with discs. For casual path riding, paved or not, rain or shine, I see no compelling reason to have disc brakes, nor do I see any big problem with having them. Cheap v-brakes work pretty well. I'm not so sure about cheap disc brakes.
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Honestly, people have used V-brakes for the kind of riding that you are describing for years and have been completely satisfied. I don't have anything against discs but I just don't see them as necessary and I'd steer anybody away from the cheapies. For that matter, I'd strongly steer people away from cheap linear pull brakes too. Basically, if it doesn't say "Avid" or "Shimano" I don't want it.
That said. If your wife likes the color of the disc brake bike better - what's wrong with that? You don't want her thinking "I wish we'd have gotten the other one." every time that she looks at her new bike.
That said. If your wife likes the color of the disc brake bike better - what's wrong with that? You don't want her thinking "I wish we'd have gotten the other one." every time that she looks at her new bike.
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Couldn't resist the urge to switch from adequate Tekro V-brakes to BB7's - the V3 came with disc wheels and disc tabs front and rear. This bike didn't need more weight but they do work very nicely and I am able to get into the 40's downhill (it is about the bike) so they might come in handy some time.
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I try not to use brakes anyway, all they do is slow me down.
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Look at it logically. Discs do not wear out expensive rims. Worn or warped discs cost only a fraction of what rims cost.
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If you go with Avids, go BB7's. Once you get them setup initially, they are really pretty maintenance free. I have my wheels on and off regularly and have never had any issues with alignment.
Also, get rid of the metallic pads that come stock with the brakes and get organic pads. All your grinding noises will go away.
Also, get rid of the metallic pads that come stock with the brakes and get organic pads. All your grinding noises will go away.
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I wouldn't go that far. I've never had any problems with the Tektro v-brakes on my rigid MTB. They work just fine as do the Tektro caliper brakes on my Casseroll. Most of the generic brakes on major brand bikes are made by Tektro. Cane Creek brakes are rebranded Tektros. They may not be quite as nice as Shimano or Avid brakes, but they are certainly decent brakes.
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Have to agree, just bought a "back up/utility" bike, used, (2006 Fuji Monterey 3.0), it has ProMax V-brakes and, well they SUCK!! I'll be saving up the funds to replace them with Avid V-brakes before Spring!, jmho, ymmv!
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Disc brakes on bikes that will spend their lives on paved trails make me feel dirty.
#25
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See this thread for a full discussion. And everything I know about the topic is in there, so I won't add it here:
https://www.bikeforums.net/showthread...ike-a-bad-idea
https://www.bikeforums.net/showthread...ike-a-bad-idea
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