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should the front hub be much smoother than the back?`(4 posts)

should the front hub be much smoother than the back?`Reddpoint81
Aug 14, 2002 1:42 PM
So I was working on my bike when I noticed that when my bike is on the stand the front wheel can spin for much longer than the rear. Is this to be expected because of the greater weight of the rear wheel? If so what should I reasonably expect in terms of having a slower rear wheel? Basicly the way I noticed this was by spining both wheels at the same rate on the stand only to find the front wheel going for about a minute longer. Any help would be appreciated. Thanks
re: should the front hub be much smoother than the back?`yeah right
Aug 14, 2002 1:49 PM
Greater weight wouldn't cause it to spin for a shorter length of time, it would actually increase, all else being equal (assuming some increased weight at the rim). The big difference is that your rear wheel has a free hub in it, which inherently has more friction due to the internal mechanism.
And it only is an issue when coastingKerry
Aug 14, 2002 4:24 PM
When you're pedaling, your freehub is not coasting and so not causing any friction.
Aug 14, 2002 6:09 PM
I'd say the grease and even to a minimal degree the workings of the free hub would cause the shorter spin time. Its like a couple cards in the spokes will make it spin for not as long as a wheel with none in it. It doesn't affect it much but it does 1) slow it down and 2) ultimately stop it.