Great news! Excited to see both come into the world. On Sat, Dec 29, 2012 at 2:23 PM, grant <grant...@gmail.com> wrote: > In development: A tuff-boy 650B rim by Velocity and musa, tentatively called > the Atlas. An inch wide, with thick spoke bed and sidewalls. > > Also, from Alex in taiwan, an even tuffer-boy rim based on a 32mm wide bmx > rim. > > Early mtn bike rims were 32-or-so mm wide, makes sense for wide tires. You > get more tire volume (height and width) and less tire roll at lower > pressures. The marketing challenge, if that's what it is, is going to be > presenting a super smart rock solid rim for heavy riders or heavy use while > at the same time respectfully answering questions such as "how much does it > weigh?" > If a rim is widened to the point where it's really optimized for 40-55mm > tires AND is thicked up in the sidewall for longer life AND has a thicker > spoke bed to longer resist cracking at the hole AND has a slightly taller > braking surface for more tolerance in brake adjustment, then the overall > volume of metal is going to be about 75 percent greater, which means 75 > percent heavier. Of course, it'll take 2x the wear and abuse, so is a > bargain (for certain kinds of riding). Anyway, I expect more 650B rim > options as the size gets popularized---which is happening big time these > months. > > > On Thursday, December 27, 2012 1:00:41 PM UTC-8, Iron Rider wrote: >> >> Hi all, >> >> The building of my A.H.H. seems to be stalling out over rim selection. Is >> the Velocity Synergy the only 650b rim being sold for use with rim brakes? >> And a related question, has anyone built up one of these for use by a >> Clydesdale? I am well over 200lbs and am looking for a strong reliable >> wheel. Thanks for your thoughts and helpful comments. >> >> Nigel > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/rbw-owners-bunch/-/qCIhvflpRZ4J. > > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/rbw-owners-bunch?hl=en.
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