Old 04-28-15, 06:37 PM
  #14  
nkfrench 
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Join Date: Aug 2008
Location: Fort Worth, TX
Posts: 1,846

Bikes: 2006 Specialized Ruby Pro aka "Rhubarb" / and a backup road bike

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I haven't got my bike trainer set up for my road bike (long story), but my knees don't do well on the special spin bikes at the gym.
I do not have a smooth pedaling motion and I get out of synch with the smooth flywheel action.
Either I don't have enough resistance to get a decent workout; or it feels like the flywheel will rip my leg in two at the knee when I'm at a dead spot in my pedaling.

The few times I've been on a trainer for a real bike, the flywheel was different and not as tough on my knees; but I didn't spend much time on it to tell if it would be a problem.

So, I wonder if a flywheel is contributing to OPs problems.

On the road, my uneven pedaling just makes me go relatively slower than others on chipseal and when climbing.
My knees don't hurt on the road unless there is a weather change or humidity is high; or when wrestling the bike up a hill cadence < 40.
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