Source for "Overdrive" bottom bracket shells?
08-12-15, 06:06 PM
#26
A little North of Hell
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OverDrive shell
A couple companies still use these on their trainers.
Contact Schwinn.
https://www.krislynn.net/catalog/sch...inn-c-4_6.html
Contact Schwinn.
https://www.krislynn.net/catalog/sch...inn-c-4_6.html
08-12-15, 08:59 PM
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If I read this correctly, he's got those and wants the BB into which they fit.
Only fix I can think of is some 50.8 OD x 2.4mm WT 4130 tube and a couple of these taps in LH and RH thread.
Only fix I can think of is some 50.8 OD x 2.4mm WT 4130 tube and a couple of these taps in LH and RH thread.
Last edited by Mark Kelly; 08-12-15 at 09:09 PM.
08-13-15, 12:21 PM
#29
Decrepit Member
Compass has ISIS bottom brackets that fit BSC shells and which apparently solve the premature bearing failure problem by using roller bearings on the driveside. They're made by SKF and have a ten year warranty.
SKF ISIS Bottom Brackets | Compass Bicycles
SKF ISIS Bottom Brackets | Compass Bicycles
08-13-15, 02:59 PM
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according to the owner of my LBS, the reason ISIS didn't take off is because they never really sorted the bearings, and thus the new failure point is likely to be the bearings.
08-13-15, 05:50 PM
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OverSize
I have one, and they are bomber. Very expensive and hard to find.
I am pretty sure they stopped manufacturing these, they are no longer on their website. Racing
The cycling community was not quite ready for an OverSize BB...until BB30 was grudgingly accepted...
Truvativ,FSA,Phil Wood all tried.
OP, try Nova or PMW.
Just the cost of those taps for the shell you want are outrageous!
BOTTOM BRACKETS :: Nova Cycles Supply Inc.
Bottom Bracket Shells - all - www.paragonmachineworks.com
I am pretty sure they stopped manufacturing these, they are no longer on their website. Racing
The cycling community was not quite ready for an OverSize BB...until BB30 was grudgingly accepted...
Truvativ,FSA,Phil Wood all tried.
OP, try Nova or PMW.
Just the cost of those taps for the shell you want are outrageous!
BOTTOM BRACKETS :: Nova Cycles Supply Inc.
Bottom Bracket Shells - all - www.paragonmachineworks.com
08-13-15, 06:28 PM
#32
Decrepit Member
08-14-15, 12:53 AM
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skf isis
They're on the Compass website HERE and are priced at $149 - $159. I just emailed Jan to see if they're still available.
No longer on SKF website.
