My guess is that the square taper on the inside of your left crank arm
has become deformed and the crank arm is moving in and out as you
pedal. It comes from pedaling when the crank arm is a tiny bit loose.
Take the crank arm off and see if you can detect any non-squareness
in the socket for the bottom bracket. If you can, that arm is
toast and needs to be replaced.
I am not a bike mechanic, though, nor do I play one on TV.
-Doug "anonymous" Shaker
At 06:23 AM 9/2/2008, you wrote:
>Hi
>I have a Rivendell Atlantis that I built up last year, it ticks when
>pedaling.
>Same place every-time near the top of the non drive stroke.
>There is nothing I can see touching or rubbing.
>It only ticks when pedaling not coasting.
>The ticking is not loud nor does seem to produce any drag.
>If I pedal lightly with out putting any pressure on the wheel it does
>not tick.
>It ticks when pedaling out of the saddle.
>The tick sometimes is a double tick, tick-tick.
>I first thought was the bottom bracket so I swapped out the Shimano
>107 mm for a Phil wood 108 mm, without and difference in the ticking.
>It will tick no-matter what gear it is in.
>If I pedal with my right foot only attached, no ticking.
>If I pedal with my left foot only attached it ticks.
>The bike has only about 1,500 miles total.
>I can't honestly say when the tick started. I am going on a cycle
>camping tip on the 13th and want it fixed by then.
>The build with all new parts:
>61cm Frame
>Sugino triple cranks 170 mm 46/36/24
>Shimano Nexave front derailer
>Shimano Deore LX rapid rise rear derailer
>8 speed casette 12—30
>9 speed chain
>Friction DT shifters
>Shamino XT hubs, Velocity Synergy OC rear wheel Rivendell build.
>Shimano PDM324 pedals.
>Any suggestions?
>
>Tom Dusky
>ticking in Huntington Woods MI
>
-Doug Shaker
Expert Support Inc. mailto:[EMAIL PROTECTED]
201 San Antonio Circle, #102 voice: 1-650-739-0844
Mountain View, CA 94040-1234 fax: 1-650-739-0814
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