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#41
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Internally Geared Shimano Hub + Shaft Drive = Carefree ChicagoWinter Bike Commute?
Peter Cole wrote:
[...] If you skid a front tire, you'll go down. I have skidded both front tires on dry pavement and stayed upright. With normal (dry road) traction, you will lift the rear wheel before that happens.[...] Not with a seat height of less than 30 cm. -- Tom Sherman - Holstein-Friesland Bovinia The weather is here, wish you were beautiful |
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#42
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Internally Geared Shimano Hub + Shaft Drive = Carefree Chicago Winter Bike Commute?
In article
, Chalo wrote: Jobst Brandt wrote: This story about the rear brake holding the bike down has been part of motorcycling myth and lore for more than 60 years from my experience. Those who purvey this tale are themselves not riders who brake an M/C hard enough to raise the rear wheel. Track racers, who routinely use maximum braking and thus can't use their rear brakes at all under those conditions, still use the rear brake to set up the bike for a hard deceleration or a turn. Because they must be so delicate with it on their high performance, short wheelbase machines, many racers use rear brakes connected to a thumb lever rather than a foot pedal as is usual for a street bike. Chalo Do you know this to be widespread, Chalo? Mick Doohan famously did so, but his excuse was a mid-career leg injury that left his brake-side (pauses to remember from my motorcycling days which side that is...) (right) ankle was virtually unusable. -- Ryan Cousineau http://www.wiredcola.com/ "In other newsgroups, they killfile trolls." "In rec.bicycles.racing, we coach them." |
#43
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Internally Geared Shimano Hub + Shaft Drive = Carefree ChicagoWinter Bike Commute?
Ryan Cousineau wrote:
Chalo wrote: Because they must be so delicate with it on their high performance, short wheelbase machines, many racers use rear brakes connected to a thumb lever rather than a foot pedal as is usual for a street bike. Do you know this to be widespread,Chalo? Mick Doohan famously did so, but his excuse was a mid-career leg injury that left his brake-side (pauses to remember from my motorcycling days which side that is...) (right) ankle was virtually unusable. You know, I really haven't paid that much attention to M/C racing since Mr. Doohan's heyday, so maybe the number of bikes so equipped reflected a fad of folks figuring that what worked for Mick might work for them too. But I saw more than a few bikes with such a setup, and I saw such kits for sale. If it is no longer common practice, I am not terribly surprised. For what it's worth, I use my rear brake so infrequently that when I do use it, I sometimes have to poke it a couple of times to pump it up. (I intentionally leave a little air in the line so when I mash it in an emergency it won't cause an instantaneous lockup.) Chalo |
#44
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Internally Geared Shimano Hub + Shaft Drive = Carefree ChicagoWinter Bike Commute?
Tom Sherman wrote:
Peter Cole wrote: [...] If you skid a front tire, you'll go down. I have skidded both front tires on dry pavement and stayed upright. On a 'bent, particularly a LWB 'bent, front wheel skidding is a fact of life because of low front wheel loading. I have ridden choppers like that, too. But choppers are cool. Chalo |
#45
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Internally Geared Shimano Hub + Shaft Drive = Carefree ChicagoWinter Bike Commute?
Chalo Colina wrote:
Tom Sherman wrote: Peter Cole wrote: [...] If you skid a front tire, you'll go down. I have skidded both front tires on dry pavement and stayed upright. On a 'bent, particularly a LWB 'bent, front wheel skidding is a fact of life because of low front wheel loading. I have ridden choppers like that, too. Well, unlike an upright bicycle, the rear brake is quite effective on a LWB recumbent. Best practice is to use both brakes during hard stops. Better designed SWB recumbents have 40-45 percent of the weight on the front wheel, while poorly designed SWB bikes can have 60 percent or more weight on the front wheel. The latter can send the rider off the bike from hard braking, just like an upright. On a grippy surface, one can lift the rear wheel on a tadpole trike, so all the weight has to be on the front wheels. With strong brakes, tadpole trikes stop exceptionally well. But choppers are cool. Opinion, not fact. -- Tom Sherman - Holstein-Friesland Bovinia The weather is here, wish you were beautiful |
#46
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Internally Geared Shimano Hub + Shaft Drive = Carefree Chicago Winter Bike Commute?
In article
, Chalo wrote: Ryan Cousineau wrote: Chalo wrote: Because they must be so delicate with it on their high performance, short wheelbase machines, many racers use rear brakes connected to a thumb lever rather than a foot pedal as is usual for a street bike. Do you know this to be widespread,Chalo? Mick Doohan famously did so, but his excuse was a mid-career leg injury that left his brake-side (pauses to remember from my motorcycling days which side that is...) (right) ankle was virtually unusable. You know, I really haven't paid that much attention to M/C racing since Mr. Doohan's heyday, so maybe the number of bikes so equipped reflected a fad of folks figuring that what worked for Mick might work for them too. But I saw more than a few bikes with such a setup, and I saw such kits for sale. If it is no longer common practice, I am not terribly surprised. For what it's worth, I use my rear brake so infrequently that when I do use it, I sometimes have to poke it a couple of times to pump it up. (I intentionally leave a little air in the line so when I mash it in an emergency it won't cause an instantaneous lockup.) Chalo I think you need one of those Shimano brake power modulators. My old Yamaha Vision 550 had a cable-actuated drum rear brake, so I guess one of those power modulators would have actually done something, -- Ryan Cousineau http://www.wiredcola.com/ "In other newsgroups, they killfile trolls." "In rec.bicycles.racing, we coach them." |
#47
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Internally Geared Shimano Hub + Shaft Drive = Carefree Chicago Winter Bike Commute?
In article
, Chalo wrote: Ryan Cousineau wrote: Chalo wrote: Because they must be so delicate with it on their high performance, short wheelbase machines, many racers use rear brakes connected to a thumb lever rather than a foot pedal as is usual for a street bike. Do you know this to be widespread,Chalo? Mick Doohan famously did so, but his excuse was a mid-career leg injury that left his brake-side (pauses to remember from my motorcycling days which side that is...) (right) ankle was virtually unusable. You know, I really haven't paid that much attention to M/C racing since Mr. Doohan's heyday, so maybe the number of bikes so equipped reflected a fad of folks figuring that what worked for Mick might work for them too. But I saw more than a few bikes with such a setup, and I saw such kits for sale. If it is no longer common practice, I am not terribly surprised. Curiously, there appears to be a company that sells conversion kits for dirt bikes: http://www.cyclebuy.com/shopping/z-start/rear_brake.htm -- Ryan Cousineau http://www.wiredcola.com/ "In other newsgroups, they killfile trolls." "In rec.bicycles.racing, we coach them." |
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