Carbon Fiber Bones
Join Date: Apr 2007
Location: Adelaide, Australia
Bikes: '07 Scott Speedster S30
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I've had a bit of trouble with my left knee, with pain both on the outer side and within the joint, although my right knee has never complained (apart from routine aches here and there).
I found that my left knee wasn't aligning properly during the pedal stroke, so my left kneecap was pointing inwards towards the frame, leading to problems associated with misalignment of the tendons and ligaments. After adjusting my cleat position and using some of the shims from Specialized to adjust the angle of the sole of my foot, these problems have totally cleared up.
YMMV, but perhaps check to make sure that your knee is aligning properly through the stroke, and also keep an eye on how extended your right leg is at the bottom of the stroke, as having a shim in the left shoe has probably altered the relative leg lengths on the bike, leading to your right knee straightening too far.
As always: If pain persists, consult your doctor.
Hope this helps, I know how frustrating it is to be held back by your damn knees.