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From: dean@felix.UUCP
Newsgroups: net.bicycle
Subject: rollers & noise
Message-ID: <293@felix.UUCP>
Date: Wed, 13-Jun-84 15:16:42 EDT
Article-I.D.: felix.293
Posted: Wed Jun 13 15:16:42 1984
Date-Received: Fri, 15-Jun-84 01:39:42 EDT
Organization: FileNet Corp., Costa Mesa, Ca.
Lines: 19


 I have a turbo trainer and I have ridden one type of rollers.
 Some rollers are quieter than others but I feel that a turbo
 trainer is the quietest of all. Rollers have more moving parts
 and caused my whole house to resonate at certain rpms. Turbo
 trainers create a loud hissing noise but have no substantial
 low frequency components.

 Rollers are excellent at simulating a true bicycle feel and 
 are best for spinning. It is hard to get strong on rollers
 but you can get a good cardivascular work out.

 Turbo trainers are good for working on strength because they
 provide large resistance at high wheel rpms. The bad thing
 about turbo trainers is they don't allow the bike to give (sway)
 when you pedal. This may cause big gear heads to hurt their knees
 more rapidly on a turbo trainer. Excessively large gears will take
 their toll on your knees eventually anyway though.