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Newbie-ish q about brake levers on drop handlebars
On my to-be-replaced 'tourer' with drops, the brake levers have additional
levers which means you can operate them with your hands on the top bars. I wouldnt want to give this up on a new bike (which might be one I buy second hand) if I go for one with drops. There was some derogatory comment on these secondary levers (whose name I forget) a few days ago, but I can't see what the problem is with them. However, more to the point, I havent seen any new bikes that come with these. Why not, arent they useful? And can someone remind me of the name for these "secondary levers" and the makers of whatever is the current equivalent? Also, how easy would it be to fit these to a s/h bike, is it a LBS job? -- Tumbleweed email replies not necessary but to contact use; tumbleweednews at hotmail dot com |
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#2
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Newbie-ish q about brake levers on drop handlebars
Tumbleweed wrote:
On my to-be-replaced 'tourer' with drops, the brake levers have additional levers which means you can operate them with your hands on the top bars. I wouldnt want to give this up on a new bike (which might be one I buy second hand) if I go for one with drops. You do want to give them up. There was some derogatory comment on these secondary levers (whose name I forget) Suicide levers. a few days ago, but I can't see what the problem is with them. However, more to the point, I havent seen any new bikes that come with these. Why not, arent they useful? And can someone remind me of the name for these "secondary levers" and the makers of whatever is the current equivalent? Also, how easy would it be to fit these to a s/h bike, is it a LBS job? They can't exert the same amount of force as the proper levers. By the time you've realized that you can't stop quickly enough with them, it's too late to switch to the real levers. Modern dual-pivot calipers and all the weird and wonderful mountain bike brakes are so good that they are truly unnecessary. On my Roberts (Campag Veloce levers, Shimano calipers), I can easily stop as quickly as the bike is capable of doing with my hands on the brake hoods reaching down to push the levers in. Stopping hard with your hands on the top of the 'bars is hard - because your hands are closer together, you can't control the steering as accurately. On the rare occasion I'm on the 'bar tops (usually going slowly uphill) and have to stop quickly, I move to the brake hoods and then slam on the anchors. I don't believe any suicide lever setup could stop quicker than me doing that. Avoid them. -- Mark. |
#3
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Newbie-ish q about brake levers on drop handlebars
"Tumbleweed" wrote in message ... On my to-be-replaced 'tourer' with drops, the brake levers have additional levers which means you can operate them with your hands on the top bars. I wouldnt want to give this up on a new bike (which might be one I buy second hand) if I go for one with drops. There was some derogatory comment on these secondary levers (whose name I forget) a few days ago, but I can't see what the problem is with them. "Suicide levers" used to be the term of choice owning to their perceived and all too real sponginess. The problem with them is, is that they can wean you off of the habit of instinctively reaching for the "proper" i.e. tecnically most effecient lever in an emergency. Basically what may seem like a convenience most of the time, could mean not stopping in time on the one occasion you most need to. Curious -- Tumbleweed email replies not necessary but to contact use; tumbleweednews at hotmail dot com |
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Newbie-ish q about brake levers on drop handlebars
On Wed, 30 Jun 2004 09:54:56 +0100, Mark Tranchant
wrote: Tumbleweed wrote: On my to-be-replaced 'tourer' with drops, the brake levers have additional levers which means you can operate them with your hands on the top bars. I wouldnt want to give this up on a new bike (which might be one I buy second hand) if I go for one with drops. You do want to give them up. Absolutely. But, if you do want additional levers on the tops then get some inline cyclo-cross levers fitted (Tektro do some.) These are separate to the drop levers and push outer rather than pull cable. I have some on my tourer and they are effective and useful. Colin |
#5
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Newbie-ish q about brake levers on drop handlebars
On Wed, 30 Jun 2004 09:05:03 GMT, Simon Brooke
wrote: The additional levers which sit in the middle of the cable run should be more powerful and more reliable, but I haven't used them. Examples he URL:http://www.sjscycles.com/store/vIndex.htm?item540.htm Hmm, dynamo holder?? URL:http://www.sjscycles.com/store/vIndex.htm?item63.htm The ones I have are similar to these: URL:http://www.sjscycles.com/store/vIndex.htm?item7187.htm Colin |
#6
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Newbie-ish q about brake levers on drop handlebars
Tumbleweed wrote:
There was some derogatory comment on these secondary levers (whose name I forget) a few days ago, but I can't see what the problem is with them. Executive Summary: they're ****e. No, really. Compare and contrast the braking effectiveness of the secondary levers, which act on the primary levers in a position to give the worst possible mechanical advantage, to the main levers going downhill in the wet. However, more to the point, I havent seen any new bikes that come with these. Why not, arent they useful? They are, as I said above, ****e. If you ride on the brake hoods (or not too far behind) you'll have at least as much braking power as with extensions. All the extensions do is give you an option of using something that doesn't work very well. these "secondary levers" and the makers of whatever is the current equivalent? There isn't a current equivalent, because the latest thing that does the same actually works properly. Can't remember the name offhand, but they work in an entirely different manner than the original versions. FWIW I thought I'd miss them on my old bike until I took them off. After I did that my stopping distances got a whole lot sharper... Pete. -- Peter Clinch Medical Physics IT Officer Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital Fax 44 1382 640177 Dundee DD1 9SY Scotland UK net http://www.dundee.ac.uk/~pjclinch/ |
#7
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Newbie-ish q about brake levers on drop handlebars
Tumbleweed wrote:
On my to-be-replaced 'tourer' with drops, the brake levers have additional levers which means you can operate them with your hands on the top bars. I wouldnt want to give this up on a new bike (which might be one I buy second hand) if I go for one with drops. As I mentioned in a recent reply, I was once in exactly the same position as you: strongly thought I couldn't live without these things. I was wrong. Modern brakes with modern drop-bar levers are so effecient and comfortable (ie. "powerful") that you can entirely get by hapilly without extension levers. The standard brake levers can be used well from the hoods (from above) as well as from the lower drop position. You do not have to be within a couple of inches reach of the brake levers the whole time. Much of the time, even in urban traffic, you have at least two or three seconds clear stopping time, if you know what I mean. That's more than ample to switch hand positions. In fact, just moving right hand to front brake is often good enough. Just make sure the basic brakes are good and you'll be fine. Avoid bikes that don't stop well as they are. Why not take advice from someone who's "been there done that"? There was some derogatory comment on these secondary levers (whose name I forget) a few days ago, but I can't see what the problem is with them. They don't work nearly as well as good proper levers, plus it's impossible to fit the old type of extension levers to most modern brakes. There is a (better) modern equivalent but that's still more gubbins to get in the way and adds complication and expense. However, more to the point, I havent seen any new bikes that come with these. Why not, arent they useful? Becuase they are not needed. And can someone remind me of the name for these "secondary levers" Extension levers AKA suicide levers. ~PB |
#8
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Newbie-ish q about brake levers on drop handlebars
Peter Clinch wrote:
There isn't a current equivalent, because the latest thing that does the same actually works properly. Can't remember the name offhand, but they work in an entirely different manner than the original versions. Yes, I shouldn't have used the phrase "modern equivalent" in my previous reply. Modern alternative, more like. ~PB |
#9
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Newbie-ish q about brake levers on drop handlebars
Mark Tranchant wrote:
They can't exert the same amount of force as the proper levers. By the time you've realized that you can't stop quickly enough with them, it's too late to switch to the real levers. For further clarification, the main reason that they give limited braking force is an ergonomic one; unlike normal brake levers (on flats or drops) where the lever is pulled in towards the bars the pressure on the lever at the crunch point is not simply a matter of clenching your hand as if into a natural balled fist, with fingers acting directly against the palm of the hand (and using some muscles in the arms as well as the hand). Instead you actually have to pull up with the top two joints of your fingers against the bottom one to pull the lever tangentially with respect to the handlebars, which is massively less efficient (the effective length of the lever is also shorter, which exacerbates the problem. In addition to that, this action compromises your grip on the bars exactly when you want to be holding on tightly as the deceleration (if you've managed to induce any) brings your body weight forwards, while having your hands in the middle of the bars, as has been noted, also limits your steering control. So don't do it. Cheers Roger |
#10
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Newbie-ish q about brake levers on drop handlebars
Roger Hughes wrote:
For further clarification, the main reason that they give limited braking force is an ergonomic one; unlike normal brake levers (on flats or drops) where the lever is pulled in towards the bars the pressure on the lever at the crunch point is not simply a matter of clenching your hand as if into a natural balled fist, with fingers acting directly against the palm of the hand (and using some muscles in the arms as well as the hand). Instead you actually have to pull up with the top two joints of your fingers against the bottom one to pull the lever tangentially with respect to the handlebars, which is massively less efficient (the effective length of the lever is also shorter, which exacerbates the problem. In addition to that, this action compromises your grip on the bars exactly when you want to be holding on tightly as the deceleration (if you've managed to induce any) brings your body weight forwards, while having your hands in the middle of the bars, as has been noted, also limits your steering control. Even more of a problem is lever travel. Suicide levers have to be pulled so far to pull enough cable that they will hit the bar (or get to that level) unless the brake blocks are set extremely close the rims (if you're lucky) -- ideally within 1mm. This requires the brakes and wheels to be in absolutely tip top condition: something that tends to be difficult to achieve with the sort of bikes that have these levers. ~PB |
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