QUOTE(butthead @ Feb 10 2012, 09:31 PM)
your case is just practically losing grip on the rear end... on road bike.. it can be catastrophic.. possible to go into a slide, proceed to recover grip and throw the rider in the opposite direction of the lean onto the ground... what they call high sided on a motorcycle...
here is what could happened with a locked rear... one of the more famous ones... Joseba Beloki in the 2003 running of the tour... although report also stated that he rolled his tubular in the process..
but he definitely locked up... started to slide out from underneath when his tyres suddenly retain it's grip and fling him sideways onto the ground (practically smacked onto the ground full force).. end up breaking his femur and some other bones i remember...
there are some reasons to why it doesn't happen on a mountain bike... partly it can be due to the running of knobby tyres which dampen out the shocks that is required to cause a speed wobble in the first place... and the geometry of the bike and how the rider is sitting more upright as opposed to putting quite a lot of body weight forward on the handlebars.. MTB also leave the ride sort of like pushing against the handlebars horizontally rather than like a road bike... just my theory... can be wrong...
yeah its scary alright, even on a MTB. had a locked rear happen to me on a long downhill at hulu langat cause I was careless with the brakes, but managed to keep my balance. was doing over 50km/h that time.here is what could happened with a locked rear... one of the more famous ones... Joseba Beloki in the 2003 running of the tour... although report also stated that he rolled his tubular in the process..
but he definitely locked up... started to slide out from underneath when his tyres suddenly retain it's grip and fling him sideways onto the ground (practically smacked onto the ground full force).. end up breaking his femur and some other bones i remember...
there are some reasons to why it doesn't happen on a mountain bike... partly it can be due to the running of knobby tyres which dampen out the shocks that is required to cause a speed wobble in the first place... and the geometry of the bike and how the rider is sitting more upright as opposed to putting quite a lot of body weight forward on the handlebars.. MTB also leave the ride sort of like pushing against the handlebars horizontally rather than like a road bike... just my theory... can be wrong...
i'm thinking that the heavier weight of the MTB kinda helps to prevent the front speed wobble too.
Feb 10 2012, 09:56 PM

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