lookin at a pully that holds the lower part of the chain up near the crank to stop jumping of when hitting rough stuff but not a major problem so dont want it making any diffrence to xc runs and climbs.
lookin at a pully that holds the lower part of the chain up near the crank to stop jumping of when hitting rough stuff but not a major problem so dont want it making any diffrence to xc runs and climbs.
in that case you need something like this
no drag and keeps the chain on. i use one and its great. [/url]
I have a Heim2 from E13 and as it makes a constant rumble I guess there is drag (noise = loss of energy = drag on my pedalling effort innit) but its not noticeable in terms of ride effort I dont think. I'd say 1.2% of effort lost on noise making. Give or take 5%.
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Parktools :?:SheldonBrown
What is the difference Nick?
no drag and keeps the chain on. i use one and its great. [/url]
Now for sale Fatty