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Search: Posts Made By: Antifriction
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Forum: Folding Bikes
09-26-22, 04:00 PM
Replies: 9
Views: 412
Posted By Antifriction

My aluminum Dahon seatpost is 34mm. However I...

My aluminum Dahon seatpost is 34mm. However I don't think you have a problem; the minimum insertion marking on my post is 4.5" from the bottom, so that's a safe amount of overlap. If you insert more...
09-20-22, 03:32 AM
Replies: 54
Views: 1,180
Posted By Antifriction

As others have said - your gearing is high. A...

As others have said - your gearing is high. A 22/32/42 crankset can be had for $50 & would give you two gears below your current lowest. Also 28t is a stingy low sprocket; a cassette going to 32t or...
09-08-22, 05:07 PM
Replies: 8
Views: 283
Posted By Antifriction

That road gearing is way high for touring. The...

That road gearing is way high for touring. The 39t would make a good big ring; 39/11x27.5" is a 97" gear. Current Kona Dew, for example, comes with 22-36 on the front. So I'd suggest figuring out...
09-08-22, 02:57 PM
Replies: 13
Views: 304
Posted By Antifriction

The 2019 model...

The 2019 model (https://feltbicycles.com/products/verza-speed-50-fitness-bike) had a 135mm rear hub, 7-sp freewheel. Switched to freehub 2020, same hub width. So upgrading should be straightforward,...
09-06-22, 02:15 PM
Replies: 18
Views: 438
Posted By Antifriction

genec: you might consider twisting the Mirrcycle...

genec: you might consider twisting the Mirrcycle out of harm's way before riding through dodgy openings. It's actually in the instructions: "SUGGESTION: When riding off road, on trails, or in the...
09-06-22, 02:00 PM
Replies: 18
Views: 438
Posted By Antifriction

@ work4bike: the Mirrcycle is mildly convex -...

@ work4bike: the Mirrcycle is mildly convex - images are about half the size of those in a flat mirror, meaning field of view is doubled. That seems like about the right compromise if you have to...
08-30-22, 04:39 PM
Replies: 18
Views: 438
Posted By Antifriction

convex mirrors: Mirrycle field of view is just right

I got a cheap plastic mirror, and found that the curvature was so extreme that cars bearing down on me looked so tiny I had to concentrate to spot them. Online comments then persuaded me to try the...
Forum: Folding Bikes
08-09-22, 08:30 PM
Replies: 1,362
Views: 380,927
Posted By Antifriction

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulle...

https://cimg0.ibsrv.net/gimg/bikeforums.net-vbulletin/443x591/seymour_dam_gate_5542d71f06dc8e6ac9505f4569450cfb4a26e6f0.jpg
Born rebel.
Forum: Folding Bikes
07-07-22, 08:37 PM
Replies: 7
Views: 555
Posted By Antifriction

Folder with operatic range? Sing its praises here!

Tall gears and wide ranges are a challenge in tiny spaces. Rohloff, Schlumpf, and Nuvinci take it inside. Mobiky and Sinclair A-bike get special mention for 2-stage transmissions.
To lead things...
Forum: Folding Bikes
06-17-22, 06:04 PM
Replies: 20
Views: 669
Posted By Antifriction

A less involved option is a wide-range cassette....

A less involved option is a wide-range cassette. Reddleman has put Microshift Advent 9-speeds on 2 Terns (https://www.bikeforums.net/folding-bikes/1186750-tern-link-d8-s-not-got-range.html), one...
Forum: Folding Bikes
05-16-22, 01:25 PM
Replies: 9
Views: 670
Posted By Antifriction

suggestion: Origami 500% 2x9

There are at least a few of us who would like to see a production folder with a 500% gear range, and the recently-announced Microshift Super Short...
Forum: Folding Bikes
12-22-21, 10:14 PM
Replies: 7
Views: 759
Posted By Antifriction

I'll take a 48t, giving 20-87" - which puts the...

I'll take a 48t, giving 20-87" - which puts the 436% range lower than most would want, but then I'm 65, in a hilly city, and hoping to ride the folder up ski-hill switchbacks I used to climb on a...
Forum: Folding Bikes
12-22-21, 05:43 PM
Replies: 7
Views: 759
Posted By Antifriction

11-48t Advent X on a 20" folder?

Reddleman has been probing the limits of 1xN gear range on folders, starting with a Microshift Advent 9-speed 11-42 on a Tern, & then fitting another Tern with an Advent 11-46...
Forum: Folding Bikes
08-23-21, 02:38 PM
Replies: 8
Views: 1,650
Posted By Antifriction

Since you mention new hubs & drivetrain, you...

Since you mention new hubs & drivetrain, you might consider a wide-range 1x instead of front shifter. Microshift Advent 9-speed (11-46t) is a well-reviewed budget MTB drivetrain. It's offered on some...
04-29-21, 02:34 PM
Replies: 9
Views: 750
Posted By Antifriction

That 22,30 / 11-34 setup has the same range as a...

That 22,30 / 11-34 setup has the same range as a 30 / 11-46 1x10, to within 1%. So, if your son goes for a few rides, stopping to finger-shift at the front when necessary, he'll be oriented to what...
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