Old 05-26-20, 10:03 AM
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Iride01
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Bikes: '20 Tarmac Disc Comp '91 Schwinn Paramount '78 Raleigh Competition GS

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12 speed systems can handle usually handle the smallest tooth count and the largest tooth count more often than not. However I think they tend to be 1x systems because of the amount of chain they'd have to be able to take up and maybe some other design issues.

Being 1x, if you need a lot of gear ratios that are between the biggest and small, then you will miss them. Though I use my the full range of my rear 11 speed cassette before typically shifting the front on my 2x, effectively using it as a 1x. I do find that if I want to maintain a comfortable pace on a group ride that I'll sometimes need a particular ratio on the other ring.

Last edited by Iride01; 05-26-20 at 10:09 AM.
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