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Conference noted::bicycle

Title:	Bicycling
Notice:	Bicycling for Fun
Moderator:	JAMIN::WASSER

Created:	Mon Apr 14 1986
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	3214
Total number of notes:	31946

586.0. "Wheel flex a problem on trainer??" by CIMAMT::CHINNASWAMY () Thu Mar 24 1988 07:42

While riding my new magnetic wind trainer the other night, I looked back
and noticed that my rear wheel was swaying back and forth about 1/2". This
accured even though the bike was supported near the crank housing. Is this
common for a good bike? My bike is a Fuji Team and the wind trainer is a
nashbar magnetic. I would assume some flexing but not that much. I did crash
on the bike last year but had it checked out at a bike shop where they said it
was fine. Should I worry or should I not? 8^)

mano

T.R	Title	User	Personal Name	Date	Lines
586.1		SUSHI::KMACDONALD	Got any ICE you need climbed?	`Thu Mar 24 1988 08:56`	1
	1/2" seems to be about the wobble I get on my bike/trainer combo...
586.2	spin	NIKKO::SCHOENFELD		`Thu Mar 24 1988 10:42`	3
	1/2 an inch is not uncommon, if you were to concentrate on efficient spinning, and try to minimize the pumping, you may find that the wobble goes away.
586.3	?? T-BAR ??	NEXUS::MONROE		`Thu Mar 24 1988 13:14`	7
	agreement with .2 I noticed the same thing on my set up,but when I concentrated on spinning it became minimal..Is your T-bar clamp installed ??? Tom
586.4	smoother stroke required eh?	CIMAMT::CHINNASWAMY	bicycling in pixel space,',',',	`Thu Mar 24 1988 13:29`	13
	< Note 586.3 by NEXUS::MONROE > -< ?? T-BAR ?? >- >> on spinning it became minimal..Is your T-bar clamp installed ??? Yes it is. I guess I should concentrate a bit more because the most deflection accurs right when I am on the down stroke of either pedal motion. thanx for relieving my worries. mano
586.5	I don't "DO" training stands, but have opinions to share	MENTOR::REG	Keep left, except when not passing	`Fri Mar 25 1988 10:26`	15
	Another vote for spinning, keep it at a minimum of 90, aim for 100+, not just for a dozen strokes but the full time you're on the bike. Reg Well, I s'pose I'm obligated to put in my traditional plug for rollers again. This is part of the package with stationary trainers (not that rollers go anywhere). One is able to clamp the bike down, pick a high gear and grunt on it without having to pay any attention to balance or smoothness, no wonder the frame can flex.