dangers of just one brake?
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dangers of just one brake?
Postby emilmh » Thu Jan 27, 2011 9:35 pm
I'm trying to work out my build for my second fixie/single speed conversion, and if i go fixed I will be contemplating only using a front brake (plus the fixed drive chain as a "brake").
The reason i am considering this is purely for aesthetic reasons. I love the minimalist look. Even on my first build i modified the rear brake line to run through the top tube, which i think made a nice clean look, but i would still prefer not to have a rear caliper brake and extra brake lever if i can get a way with it.
I won't be using the bike for any hardcore riding (any 'faster' riding will be done on closed of bike trails or the local criterium), so i was wondering if this would be a stupid move (in terms of it being dangerous) or if it's not as unpractical as it first may seem. I've seen lots of fixies with just front brakes on this forum, and plenty of others with no caliper brakes at all! I can't imagine at all not have at least one caliper brake though.
Has any one gone back to two caliper brakes after just having one?
thoughts/experiences?
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Re: dangers of just one brake?
Postby nayfen » Thu Jan 27, 2011 9:49 pm
all other people i don't recommend riding in the rain with single brake in traffic or down hill.
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Re: dangers of just one brake?
Postby thomashouseman » Thu Jan 27, 2011 10:07 pm
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Re: dangers of just one brake?
Postby emilmh » Thu Jan 27, 2011 11:03 pm
thomashouseman - I can honestly say i would never have thought brake cable snaps to be a concern.
I appreciate the safety warnings, but the number of people that seem to ride within only a fixed drive chain and/or a single front brake made me question the practicality. When i rode motorbikes i found that i could almost ride without using the rear brake, and that involves higher speeds and more weight. (I realise they are different but still similar in principal)
Oxford - I appreciate hearing your first hand experience. May i ask as to your reason for only using one brake?
From the sounds of it i think i will be leaning towards two caliper brakes. I'd like to hear more first hand experience still, if only for interest sake.
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Re: dangers of just one brake?
Postby hartleymartin » Thu Jan 27, 2011 11:20 pm
I've ridden around on a fixie with only the front brake in Canberra (not a bad experience actually!) but it isn't something that I would feel comfortable doing around Sydney.
http://raleightwenty.webs.com - the top web resource for the Raleigh Twenty
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Re: dangers of just one brake?
Postby drubie » Fri Jan 28, 2011 8:31 am
but really, that's rubbish. We get none of it because the choices are illusory.
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Re: dangers of just one brake?
Postby rustychisel » Fri Jan 28, 2011 10:59 am
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Re: dangers of just one brake?
Postby nayfen » Fri Jan 28, 2011 11:34 am
I rode down a medium sized hill. car reversed out driveway. with the road still damp from rain I didn't have enough stopping power to make complete stop.emilmh wrote:nayfen - Apart from the sarcastic comment which is not applicable to me, I don't ride in traffic, in rain or in hilly areas. What is your actual personal experience relating to the matter?
I appreciate the safety warnings, but the number of people that seem to ride within only a fixed drive chain and/or a single front brake made me question the practicality. When i rode motorbikes i found that i could almost ride without using the rear brake, and that involves higher speeds and more weight. (I realise they are different but still similar in principal).
As mentioned brake cables snap but with regular maintainance this would be very rare. with your described riding habits (no hills, traffic or rain) give it a go you can always put a rear brake on later.
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Re: dangers of just one brake?
Postby stevo » Fri Jan 28, 2011 8:05 pm
Rode a fixie when I was a young fella with no brakes at all and had no issues with it, never had a stack on the road due to lack of braking. (fell off doin wheelies and jumps a few times )
I made up a fixie a little while back to see if I liked it and I did, so I made up a better one and it only has the front brake and I find this enough even when I flip the hub over to freewheel.
I use a lot of rear brake on my motorbikes but that's not for stopping it's for trailbraking and controlling the power and tucking it in a bit tighter in a corner, don't have as much power on the fixie as my GSXR1000 has ..
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Re: dangers of just one brake?
Postby PeteV » Fri Jan 28, 2011 9:17 pm
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Re: dangers of just one brake?
Postby ratter » Sat Jan 29, 2011 4:51 pm
stevo wrote: I use a lot of rear brake on my motorbikes but that's not for stopping it's for trailbraking and controlling the power and tucking it in a bit tighter in a corner, don't have as much power on the fixie as my GSXR1000 has ..
Great to hear somebody else knows what the rear brake does on a motorbike, so many have no idea.
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Re: dangers of just one brake?
Postby trailgumby » Sat Jan 29, 2011 5:18 pm
You might be planning only to ride it on clsoed circuits or low traffic, flat routes, but unless you plan on taking it by car everywhere you may find you are straying outside your intended low risk usage environments quite frequently. For those times, I'd recommend the second brake.
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Re: dangers of just one brake?
Postby Nobody » Sat Jan 29, 2011 6:06 pm
True, but what other option do you have in an emergency? All you can do is stand the bike up (if cornering) and modulate the front brake as best you can for the conditions you have on the road. It's one of those times when performance trade-offs for faster roll, lighter components and/or aero riding position come into question. I think most road bikes are too much go and not enough stop. I also think too many cyclist ride at a speed beyond their and/or their bike's braking ability (including me sometimes ).trailgumby wrote:Front only presents a washout or OTB risk in emergency situations. I'm thinking of the guy recently killed when he did an OTB in front of a bus. can't recall if that was Brisvegas or Siddenee.
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Re: dangers of just one brake?
Postby stevo » Sat Jan 29, 2011 7:47 pm
ratter wrote:
Great to hear somebody else knows what the rear brake does on a motorbike, so many have no idea.
I've seen too many customers that don't even use a front brake in the motorbike industry... could tell some hair raising stories of how inept people are but that's for another time on another forum...
Your front brake has about 70% of your braking capacity... a rear is used either for control or for people who shouldn't be riding in the first place... (that might throw the cat amongst the pigeons.. )
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Re: dangers of just one brake?
Postby Nobody » Sat Jan 29, 2011 8:36 pm
Well, you better tell the BMX racers then.stevo wrote:Your front brake has about 70% of your braking capacity... a rear is used either for control or for people who shouldn't be riding in the first place... (that might throw the cat amongst the pigeons.. )
This subject has been covered well before here.
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Re: dangers of just one brake?
Postby mitzikatzi » Sat Jan 29, 2011 9:07 pm
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Re: dangers of just one brake?
Postby trailgumby » Sat Jan 29, 2011 9:08 pm
For sure, my friend, I understand where you are coming from, and agree.Nobody wrote:True, but what other option do you have in an emergency? All you can do is stand the bike up (if cornering) and modulate the front brake as best you can for the conditions you have on the road. It's one of those times when performance trade-offs for faster roll, lighter components and/or aero riding position come into question.trailgumby wrote:Front only presents a washout or OTB risk in emergency situations. I'm thinking of the guy recently killed when he did an OTB in front of a bus. can't recall if that was Brisvegas or Siddenee.
What I'm trying to convey is that front and rear brakes together pull you up very much more quickly than 1 only, or 1 plus legs on a fixie. Having a front brake only my concern is hitting it too hard because it's really all you've got.
Oh, yes. Without a doubt. That's why I like my hydro discs, but even they have their limitations so I'm looking several cars ahead and try to always position myself with an escape route.Nobody wrote: I also think too many cyclist ride at a speed beyond their and/or their bike's braking ability (including me sometimes ).
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Re: dangers of just one brake?
Postby Nobody » Sat Jan 29, 2011 11:02 pm
As you know, I've gone down from grabbing too much front brake on a wet driveway.trailgumby wrote:What I'm trying to convey is that front and rear brakes together pull you up very much more quickly than 1 only, or 1 plus legs on a fixie. Having a front brake only my concern is hitting it too hard because it's really all you've got.
I think I see your point. Sure, if road/path conditions are ugly, wet and/or slimy then I'd likely cautiously go for both brakes or maybe just the rear in a corner. If I didn't have that rear brake then I may be in trouble. I also believe that two brakes are better than one to control speed while signaling (which is obviously not a problem with a fixie).
My point is that maximum braking power is only available when the back wheel is just leaving the ground, if that much traction is available (which is likely on the road).
As an example; I was riding along a bit of a downhill at about 30 - 40 Km/h yesterday. Came to a back street round-about which is usually empty to find a car entering (the dangers of complacency ). Didn't have enough time to even shift my weight back as I grabbed the front brake. The back wheel came up. Modulated the back wheel down again and cleared the car easily, which kept going on its merry way. If I had grabbed both brakes, all I would have achieved in that case is to flat spot a rear tyre and make it more likely to skew my tail off-line.
Yes it was dry yesterday, but I probably would have done the same in the wet. Just more cautiously with the initial lever grab and maybe covering the rear brake just in case...
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Re: dangers of just one brake?
Postby idw » Sat Jan 29, 2011 11:24 pm
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Re: dangers of just one brake?
Postby elStado » Wed Feb 02, 2011 2:26 am
I'll be fixing the rear brake tomorrow, as it's my first free day for a while. I'll barely need it, but I don't want to get caught out with a cable snap and only one brake. Better safe than sorry.
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Re: dangers of just one brake?
Postby Mugglechops » Wed Feb 09, 2011 5:28 pm
I used it to ride to work which is all quite roads and no stop signs or traffic lights so it was never a problem. Only one hill that I get to about 55km/h on but it has no roads or driveways leading onto it.
Its back to fixed now and if I don't sell it it will stay with one brake.
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Re: dangers of just one brake?
Postby CheapFixed » Thu Feb 10, 2011 10:57 pm
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Re: dangers of just one brake?
Postby G-rig » Fri Feb 11, 2011 9:43 am
If i was going with a single speed setup i would get front and rear brakes as you are likely to pick up more speed down hills etc.
The front brake is for stopping and the rear just helps brushing off some speed.
Wouldn't mind upgrading to a road bike quality front brake when these wear out.
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Re: dangers of just one brake?
Postby yehuwdiy » Sat Feb 12, 2011 11:20 pm
So now I run front and back and am shortly moving over to drums front and back. The heat in that rim just scared me way too much, wouldn't want to fall and dirty up my nice frilly skirts now would I?
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Re: dangers of just one brake?
Postby teds01 » Mon Feb 14, 2011 3:40 pm
Now as I'm older and want to be safer, I would not feel too comfortable with just a front brake on a bike with a free wheel (in case cable snaps or other brake failure). However, on the fixed gear I feel that you can obtain great speed control with the back wheel, teamed up with the front brake... all is good. It would be catastrophic if a cable snapped and I lost my chain at the same time, unlikely I'd hope.
Yes, just one brake can be dangerous, but you also need to be able to ride what you have, in the weather/road conditions within you own riding ability.
Sorry for the rant, hope that helps.
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