wookiee Retrobike Rider Feedback View Apr 24, 2013 #1 ...I'm pretty sure I know the answer to this question but an anyone tell me the BB sizing for a 1990 Marin? I think its 122mm X 68mm Does that sound about right? Doug
...I'm pretty sure I know the answer to this question but an anyone tell me the BB sizing for a 1990 Marin? I think its 122mm X 68mm Does that sound about right? Doug
H hamster Retro Wizard Feedback View Apr 24, 2013 #2 It is a 68 mm shell, but the exact length will depend on your chain set. Most Shimano ones of that age needed 122 or so though.
It is a 68 mm shell, but the exact length will depend on your chain set. Most Shimano ones of that age needed 122 or so though.
wookiee Retrobike Rider Feedback View Apr 24, 2013 #3 hamster":30xr6vpd said: It is a 68 mm shell, but the exact length will depend on your chain set. Most Shimano ones of that age needed 122 or so though. Click to expand... It will be a DX MT60 one I think...SG rings...not compact...I know my 91 Marin was 122...
hamster":30xr6vpd said: It is a 68 mm shell, but the exact length will depend on your chain set. Most Shimano ones of that age needed 122 or so though. Click to expand... It will be a DX MT60 one I think...SG rings...not compact...I know my 91 Marin was 122...
NeilM Retrobike Rider Feedback View Apr 25, 2013 #4 This might help: http://sheldonbrown.com/bbsize.html
wookiee Retrobike Rider Feedback View Apr 25, 2013 #6 NeilM":7r0lstej said: This might help: http://sheldonbrown.com/bbsize.html Click to expand... Ah of course I had forgotten good ol Sheldon! Thanks
NeilM":7r0lstej said: This might help: http://sheldonbrown.com/bbsize.html Click to expand... Ah of course I had forgotten good ol Sheldon! Thanks
wookiee Retrobike Rider Feedback View Apr 25, 2013 #7 hamster":315lbcpt said: Yes, DX takes 122.5 Click to expand... Thanks mate!
