Jeremy: thanks; very precise and useful information. I *think* that, if I were to have the frame re-spaced to 120 mm OL, I could use the 114 mm OL hub without too much problem. I don't think I can simply add spacers to the AM hub, because the axle, at 146 mm overall, is not long enough to contain an additional pair of 2 mm spacers and leave enough length for the modern (thick) dropouts with enough threading left over for secure attachment of the nuts.
But 3 mm or so per side should not be a problem even with stays made from stiff, high-quality tubing. While I'm on the subject: are there *any* fixed hubs spaced at 114 or so OL, that are also sufficiently sealed for at least occasional rain? On Fri, Apr 15, 2016 at 7:55 PM, Jeremy Till <jeremy.t...@gmail.com> wrote: > Yes, the Surly Ultra New hubs can be respaced from 130mm to 120mm with an > axle kit. To put it another way, I'm 99% certain that the 130mm Ultra New > hub is the same hub shell as the 120mm version, just with a longer axle and > end caps. I have the 120mm axle version on my Quickbeam. > > I doubt that you could get them narrower than 120mm. The actual spacing > is set by an interlocking "locknut" and "cone/bearing shield," both of > which are slip fit over the axle and transfer the clamping force from the > dropout to the inner race of the hub's cartridge bearings. The way I see > it, any place you could file would be problematic: > > -Don't want to file the inside of the cone/bearing shield, since is > designed to bear precisely on on the inside race of the bearing (and not > the seal or outer race). Filing it at all would remove the shoulder that > bears on the inside race and cause the bearing shield to press on the seal > and/or outer race. > -Don't want to file the interlocking interface between the cone and > locknut; they fit together very precisely. > -Most likely place would be to file the end of the locknut, but then you'd > be removing the nice knurled surface that gives the hub it's purchase on > the dropout, and it would be difficult to keep the filed face perfectly > square to the axle, potentially causing slipping issues. > > Also don't forget that even if you could successfully change the > over-locknut distance you'd still need to file down the axle itself. I've > had mine out of the hub which I was replacing bearings and it seemed like > it was pretty hard steel that would be difficult to cut/file. > > > > On Friday, April 15, 2016 at 3:24:45 PM UTC-7, Patrick Moore wrote: >> >> I know they can be respaced with the right axle and end caps, but down to >> 120 mm or even lower? My '03 Riv is currently spaced at about 133 mm, and >> the rear wheel has a Surly flip flop spaced to fit. But that AM hub is, >> again, spaced at 115 or so. I'd like to use it for a second rear wheel for >> this bike. >> >> >> If I can re-space the Surly on the current '03 Riv's rear wheel to no >> more than 120, and even better, a bit less, then I will ask a frame builder >> if he can respace the frame to 120 or 115 at the rear. *And*, if he can >> do that, then I'll have the AM built into a wheel. >> >> I see that Surly offers 120 MM OL fixed/fixed and fixed/free hubs, and it >> looks as if one could even take a file and remove a wee bit more to bring >> the overall spacing down closer to the 114-115 of the AM. But it would be >> nice to simply replace axle and end caps on my hub, rather than buy a new >> hub and rebuild the wheel. >> >> >> Thanks. >> >> -- >> Resumes, LinkedIn profiles, bios, and letters that get interviews. >> By-the-hour resume and LinkedIn coaching. >> Other professional writing services. >> http://www.resumespecialties.com/ >> www.linkedin.com/in/patrickmooreresumespec/ >> Patrick Moore >> Alburquerque, Nouvelle Mexique, Vereinigte Staaten >> ************************************* >> *************************************************** >> *The point which is the pivot of the norm is the motionless center of a >> circumference on the contours of which all conditions, distinctions, and >> individualities revolve. *Chuang Tzu >> >> *Stat crux dum volvitur orbis.* *(The cross stands motionless while the >> world revolves.) *Carthusian motto >> >> *It is *we *who change; *He* remains the same.* Eckhart >> >> *Kinei hos eromenon.* (*It moves [all things] as the beloved.) *Aristotle >> >> >> -- > -- You received this message because you are subscribed to the Google > Groups internet-bob group. 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Other professional writing services. http://www.resumespecialties.com/ www.linkedin.com/in/patrickmooreresumespec/ Patrick Moore Alburquerque, Nouvelle Mexique, Vereinigte Staaten ************************************************************************** ************** *The point which is the pivot of the norm is the motionless center of a circumference on the contours of which all conditions, distinctions, and individualities revolve. *Chuang Tzu *Stat crux dum volvitur orbis.* *(The cross stands motionless while the world revolves.) *Carthusian motto *It is *we *who change; *He* remains the same.* Eckhart *Kinei hos eromenon.* (*It moves [all things] as the beloved.) *Aristotle -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. 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