Thread: "Smooth-Bore" Bottom Bracket Shell
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Old 08-31-09 | 01:44 PM
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Mr.Fixie
Indie Folk Rock Biker
 
Joined: Aug 2009
Posts: 20
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From: Chicago

Bikes: GMC Denali, 1977 Schwinn Traveler (fixed/free in progress)

Thanks for all the advice, everyone!!

I actually thought I'd have to go to my LBS and have them remove the cups, but a simple hammer + screwdriver/leverage combo popped them right out. I found out that the BB is indeed a "smooth bore" which has no threads in the shell.

Another question I have is this though:

I took the specs on the BB shell without the cups in, and the I.D. (Inner Diameter) was 52mm, O.D. (Outer Diameter) was 57mm, and the width of the BB shell was about 64-65mm. Will the Truvativ Bottom Bracket Adapter (http://harriscyclery.net/itemdetails.cfm?ID=1335) work on this BB shell?

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I will upload pics later today! I also filed off and chiseled off the cable clips on the frame since I'm attempting to turn this into a fixed/free city beater bike and will only be putting in the front brake.
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