Singlespeed & Fixed Gear - BB for vintage dura-ace track cranks?

Bikeforums.net is a forum about nothing but bikes. Our community can help you find information about hard-to-find and localized information like bicycle tours, specialties like where in your area to have your recumbent bike serviced, or what are the best bicycle tires and seats for the activities you use your bike for.

PDA

View Full Version : BB for vintage dura-ace track cranks?

bigtrees

10-22-05, 09:44 AM

Any ideas as to what a good bb would be for vintage dura-ace track cranks? My old one was 103 or so but had some bad pitting when I went to service it. Time for a replacement. It would be used with 120mm drops. Like to keep the cost low but quality high of course. I just found a 110m bb shimano UN72 for $10 brand new..would it work. Just need some advice from more experienced people.

Thanks!

genericbikedude

10-22-05, 09:53 AM

http://sheldonbrown.com/gloss_ch.html#chainline

techone

10-22-05, 10:19 AM

http://www.businesscycles.com/tr-refspec.htm#b/b

Depends on which series you have. I have the older 7500 cranks, kind of Campy style-fluted arms and spider, and a 107mm BB.