Hey, that's awesome! Just incredibly cool job on that. On Sat, Oct 3, 2009 at 2:45 PM, Eric Norris <campyonly...@me.com> wrote:
> Just completed updating my Quickbeam with an 8-speed Sturmey-Archer hub. > Photos are here: > http://www.flickr.com/photos/35176...@n03/sets/72157622384321375/ > You'll see that I used a J-Tek bar-end shifter in place of the standard > gripshifter that comes with the hub. It works perfectly, and makes for a > much cleaner installation, IMHO. > > Thanks to Jim at Hiawatha Cyclery, who sold me the hub and shifter. He even > included in the inline barrel adjuster that sits just upstream of the hub > (something I wouldn't have thought of). > > I have the chain running on 32T inner ring on the QB's crankset. The > chainline is much straighter than on the 40T large ring, and the range of > gears is better (for me). The hub's lowest gear is direct drive--with the > stock 25T cog, that gives me about 34 gear inches. Gears 2-8 multiply the > low gear--top end is 104 gear inches. (By comparison, low/high on the 40T > ring would be 43/131. The top gear there would really be necessary only on > downhills of 30mph or more; I prefer a more usable range and a lower low > gear.) > > Gear calcs from Sheldon Brown's online calculator ( > http://sheldonbrown.com/gears/internal.html): > *For 700 X 28 / 28-622 tire with 170 mm cranks and 25 tooth sprocket*40 / > 2525.0 %32 / 253.05130.6104.528.2 %2.38101.981.513.3 %2.189.971.912.9 % > 1.8679.663.713.4 %1.6470.256.213.1 %1.4562.149.713.3 %1.2854.843.828.0 %1 > 42.834.3 > > > Pros (so far): > > --Simple and easy to shift > --Impervious to weather > --Singlespeed chains are cheap and easy to replace > --Legendary Sturmey-Archer reliability > --Good range of gears > --Makes cool ticking noises that change depending on what gear you're in. > > Cons (so far): > > --Heavy. Hub alone is 4 pounds. Built wheel is close to five. > --Impossible to fix on the road if something goes wrong inside the hub. > > I'm interested in any other experiences that members of this list have with > Sturmey-Archer hubs. > > --Eric > www.wheelsnorth.org > www.campyonly.com > > > > > -- Cheers, David Redlands, CA "Bicycling is a big part of the future. It has to be. There is something wrong with a society that drives a car to workout in a gym." ~Bill Nye, scientist guy --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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 -~----------~----~----~----~------~----~------~--~---
