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Old 01-12-22, 06:11 PM
Ride, Wrench, Swap, Race
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Join Date: Jan 2010
Location: Northern California
Posts: 8,356

Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.

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I believe wing nuts can be safe and secure and removable using no tools, BUT the threads and the nut/washer interfaces MUST be kept well-oiled.
Just as important might be that the hub's driveside axle locknut present a sharp and well-formed knurled biting surface to the dropout. Some locknuts are inadequate!

I've never had a problem with wingnuts and I've done quite-spirited rides here in the foothills with periodic 20% inclines.

As for a 15mm wrench, I use a 4" adjustable wrench, some examples of which I had to file away a half-millimeter to reach 15mm. But one of them also serves to remove my Varsity's rear nuts which are fully 5/8" or 16mm across. Again as with the wing nuts, threads and washer interfaces kept well-lubricated with ordinary oil.

My customized MTB uses hex nuts front and rear, and my 4" adjustable wrench is all I've ever used out on the trail:

Camera parallax can be a weird thing, this wingnut actually turns without removing the rear derailer:

Last edited by dddd; 01-12-22 at 06:26 PM.
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