The QB and SimpleOne dropouts were water-jet cut in Woodinville, Washington 
according to a drawing we sent them, and they worked well. They have a "no 
funny business" look about them that, without being at all ugly, didn't 
seem a good match with the rest of the stuff on the new FRANK...so BLUE LUG 
and us split the cost of the new mold, and we came up with the new one. The 
function and joint geometry determine the overall shape, the length of the 
slot is within a mm or two of the oldie--and ought to absorb an 8T 
difference, like QB did. Then we went at it to make it look good. It was a 
collaborative effort btw me, a guy named Dan, Roman, and Will (who 
ultimately made the final aesthetic tweak-call). Internally, we call it the 
"alligator dropout." 
On "dropout": Sheldon was steadfast in his not liking track "fork ends" to 
be called dropouts, because the horizontal slot doesn't allow an unchanged 
wheel to, literally, drop OUT of the thing. I do my own honoring of Sheldon 
with his favored (and now mine) "derailer," but to me, "track ends" is in 
the same category as "tyre," "seat pin," "rear mech." Somebody recently 
pointed out to me that my favored "catalogue," with a perfect run for more 
than 28 years, is in the same boat, so -- nothing against the English, but 
I'm back to "catalog."  No biggie, either.

On Wednesday, February 14, 2018 at 9:27:56 AM UTC-8, jandrews_nyc wrote:
>
> Just curious why the original QB/SO track end was redesigned...
> Does anyone know how the new one changes the flexibility of 
> gearing...isn't it still an 8 tooth difference while maintaining brake pad 
> position?
> Maybe it's so they could extend the chain stays?
>

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