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Trek 5200 crank question

Old 02-19-21, 08:10 AM
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Trek 5200 crank question

Ultegra 6500 Double 53/39

There is no option for the 6500 in 50/34 that I can find. I need the compact for sure. My knees don't like the 53/39. I do have an 11/28 on the back though. Suggestions? I don't mind moving down to a 105 crank in 50/34 if I had to.

Thanks in advance
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Old 02-19-21, 01:20 PM
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At the time of 6500/5500, Shimano did not make a compact crankset in that series.
You can go newer 10/11 speed, which will work just fine with your other components, or older MTB cranksets, which can accept compact rings, or something like an FSA compact crank with a square taper BB.
Whichever way you decide, a new BB will also be required.
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Old 02-19-21, 01:30 PM
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That Trek model was also spec'd with a triple. You may want to look into that.
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Old 02-19-21, 01:40 PM
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FWIW: I had a '00 5200 with a 52-42-30 triple crank. Made no sense to have a triple in pancake flat Sacramento, so I changed it to a DA 7800, which was the first Hollowtech II crank/BB. Lighter, stiffer, a game-changer.

Anyway, a newer compact 105 crankset will be an upgrade over a Ultegra 6500 for sure.
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Old 02-20-21, 11:26 AM
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I would agree if your struggling with the 53/39 a triple may work better for you than a compact. Most 8 or 9 speed Shimano triples should work with a matching BB you will also want to get a new chain.
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