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06-10.-2003, 09:47 AM
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#1 |
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Junior Member
Join Date: Sep 2003
Posts: 3
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can't swap out BB between two frames
I was trying to help out a friend today with his new Jamis Dakar XLT 2.0 frame. He wanted to swap out his BB-UN71 from his other mountain bike, but the threading didn't quite fit. Initially, the BB started going in fine (~3 mm) but then it got really tough to turn with still about 3/4 inch of thread left.
I checked a good deal online and the BB should have worked. The stock Dakar XLT 2.0 comes with the Shimano BB-ES71, 68 x 113mm -- which has the V2 Spline, but should have the same threads. I got the calipers out and measured and everything should have fit. We spent a long time working with it and I am wondering if a new frame has to be tapped in some way for the new BB and only the first several mm are threaded. Anyway -- we had a long and frustrating day -- anything to help would be great. Thanks, Tim |
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07-10.-2003, 03:10 AM
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#2 |
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Member
Join Date: Sep 2003
Location: Vernon, CT
Posts: 66
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Are you sure you are threading it right? Drive side is english threaded I believe...
-percious |
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07-10.-2003, 09:05 AM
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#3 | |
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Junior Member
Join Date: Sep 2003
Posts: 3
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Quote:
Yes -- I was threading it correctly. I tried both directions, but only tried with effort in the correct direction. Thanks though, Tim |
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10-10.-2003, 04:30 AM
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#4 |
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Member
Join Date: Sep 2003
Location: Vernon, CT
Posts: 66
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hmm... what BB are you trying to get in there? I have put Race-Face BB's in before, and they were a little difficult. There are some tricks... Are you using alot of lube? What kind of lube are you using?
-percious |
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10-10.-2003, 12:08 PM
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#5 | |
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Junior Member
Join Date: Sep 2003
Posts: 3
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Quote:
I was using a lot of lithium grease. I mentioned the BB above BB-UN72. Thanks, Tim |
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