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Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

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Old 01-11-09, 07:59 PM   #1
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Great upgrade to Clyde roadbike

I picked up a newish (5600) Shimano 105 crankset on Craiglist for $50 and swapped out my 1055 set (older 105 for square taper bottom bracket).

Holy cow!! The advertising propaganda on the new 105 says the external bearings / "Hollowtech" makes a difference in bottom bracket stiffness -- it REALLY does!! My winter roadbike is an older Schwinn Tempo (not the stiffest thing in the world), but now when I climb all I hear is my panting!!! No more rythmic chain rub!!

Not sure anyone cares or is looking for a product testamonial, but I'm just really happy with the difference a $50 find made.

I give the new 105 cranks 5 Clydes (out of 5).
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Old 01-11-09, 08:35 PM   #2
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I posted a similar thread a couple of months back after finding this NEW Ultegra outboard crank on an ebay online store. $149 including the bottom bracket. Does make a big difference in stiffness compared to the stock crank. Like you said, no more chainrub!

Outboard bearings are GRRRRREEEAT!

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Old 01-11-09, 08:43 PM   #3
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+1 on the outboard bearings. You do need to check the torque on the non-drive crank arm bolts once in a while though.
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