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Forum: Folding Bikes

07-17-15, 12:48 PM

Replies: 42

Need help - modifying gears...

Views: 4,926

Posted By BruceMetras

If you were going to build a SRAM Dual Drive disc...

If you were going to build a SRAM Dual Drive disc wheel, you wouldn't have to switch out anything and would have a fairly large range with 54 gears and plenty of overlap.. you would need an...

Forum: Folding Bikes

07-17-15, 07:35 AM

Replies: 42

Need help - modifying gears...

Views: 4,926

Posted By BruceMetras

You can tighten up the top by running an 11-32...

You can tighten up the top by running an 11-32 (11-12-14) instead of the 11-34 (11-13-15) .. and still retain a low 20's bottom.. since you now want to also change to a 53/39, you probably don't need...

Forum: Folding Bikes

07-15-15, 09:00 PM

Replies: 42

Need help - modifying gears...

Views: 4,926

Posted By BruceMetras

It's not a Neos (which mounts ahead of the axle)...

It's not a Neos (which mounts ahead of the axle) .. just a standard off the shelf rear derailleur.. lots of options .. not so much with the Neos .. and I wouldn't exceed the actual derailleur...

Forum: Folding Bikes

07-15-15, 08:28 PM

Replies: 42

Need help - modifying gears...

Views: 4,926

Posted By BruceMetras

Old wife's tail .. err, tale.. long cage gets...

Old wife's tail .. err, tale.. long cage gets close to the ground with 16" wheels, but is still done in some instances... with Kojaks on 406 wheels, you won't have a problem on the street.. lots of...

Forum: Folding Bikes

07-15-15, 07:27 PM

Replies: 42

Need help - modifying gears...

Views: 4,926

Posted By BruceMetras

The Formula S18 is a pretty cool bike with the...

The Formula S18 is a pretty cool bike with the disc brakes and double up front ... shame to dump because you can't get low enough gears .. I'd be inclined to run a mega-range 11/34 or 12/34 ( if you...

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