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Forum: Classic & Vintage

04-02-13, 05:10 PM

Replies: 8

How to tell if my columbus is SL/SLX/SPX etc.?

Views: 17,396

Posted By T-Mar

Columbus was originally the name for the A.L....

Columbus was originally the name for the A.L. Columbo company's family of bicycle tubing. It applied to all the bicycle tubing regardless of metal composition (alloy) or intended use. Not until...

Forum: Classic & Vintage

04-02-13, 04:48 PM

Replies: 8

How to tell if my columbus is SL/SLX/SPX etc.?

Views: 17,396

Posted By T-Mar

Not that I'm aware of. It uses the same 27.2mm...

Not that I'm aware of. It uses the same 27.2mm post as the better Columbus tubesets and I haven't seen one where the seam is clearly visible, though I haven't lgone looking either. It doesn't have...

Forum: Classic & Vintage

04-02-13, 04:03 PM

Replies: 8

How to tell if my columbus is SL/SLX/SPX etc.?

Views: 17,396

Posted By T-Mar

SL and SP use the same steel alloy but the SP...

SL and SP use the same steel alloy but the SP tubing is slightly thicker, hence the smaller seat post. SP was traditionallly used on larger frames on the assumption that the rider was heavier and...

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