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Crank & BB surgery a Success!

Road Cycling “It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.” -- Ernest Hemingway

Crank & BB surgery a Success!

Old 02-04-06, 05:27 PM
  #1  
msheron
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Okay, I just finished taking out my Bontrager Race crank and replacing with a Shimano Ultegra crank and BB. I think all went well. Unfortunately I can not test ride yet, damn temp. has dropped 20 degrees and snow on the way. Not to mention it just got dark.

I did however have the Park crank puller break the rotating disk end while taking off the Bontrager drive side crank arm.

I will have to see if Park Tool will replace the end disk, brand new puller and first time used it!

This was my first time attempting to do such a surgery replacement. I am somewhat proud.
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Old 02-04-06, 05:36 PM
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Pics?
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Old 02-04-06, 05:37 PM
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You know...............I should have done the step by step here. But I figured most here that is no real feat. I can offer pics of the new crank.
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Old 02-04-06, 05:42 PM
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Be proud. I too had the Park Tool crank puller and ran into trouble. The guy sold me a tool for the round hole and mine was square (Bontrager on a Trek 1000). Bought the right tool and the cranks came right off. The bottom bracket was a whole 'nother animal. I got the non drive side out but couldn't get the drive side to come loose. Yes, I was going the right way. Ended up taking it to the LBS and the mechanic had to pretty much bolt the bike down and really get down on it before it broke loose. He got it out, got my new one in -- cost me $30. Well worth it in my eye.

Point of my post -- to congratulate you. You accomplished what I couldn't.

Michael
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Old 02-04-06, 08:03 PM
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msheron
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Pics. of finished product from Bontrager to Ultegra crank. First three pics. are crank finish product. The third is the bike overall. The last two pics. are the rotating wheel that broke pulling the drive side crank arm and the crank pull tool missing the disk.

All in all not too bad of a way to spend a cold Saturday upgrading the old bike!
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Old 02-04-06, 08:06 PM
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BTW- Thanks Mike for the compliment. I just like to tinker with my bike and the guys at my LBS laugh when I come in due to fact I usually get something out of tune; balance; or something just in general screwed up I can't fix. Sort of like Tim Taylor on Tool Time, the LBS see's me coming and they ask, what did you do now.

This time hopefully I did something correct. My first ride will tell.
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