Jeremy, thanks so much. That's really helpful. And you're right, you should have seen me last night, a couple of empty beer bottles, quad- ruled paper, a million (one million!) tabs opened up in my browser going over crank, hub, cog combinations, etc. It all seems so simple on my Schwinn single-speeds, what with the one-piece crank and all.
Your DOS calculation seems right on, as 42mm would put the chainline right between the cogs. I plan on running fixed on the other side, but I bet that the fixed cog will work out to 42mm obviously. Now I just have to find a suitable crank and chainwheel setup, as I don't have the original QB crankset, and I'd rather run a single chainring (for now), with lower Q-factor if possible/affordable. Thanks again :) Lee On May 21, 11:43 am, Jeremy Till <jeremy.t...@gmail.com> wrote: > The 47.5mm hub chainline is specific to White Industries hubs (i've > got one of those too!). Most normal "track" hubs (including the > Suzue, the double-free QB one was based off of their track hub) are > nominally a 42mm chainline. But, if you just take sheldon's numbers > for the DOS on a white hub and minus 5.5 mm (47.5-42), you should get > the chainlines of a DOS on a 42mm hub- so 39.5mm and 44.5mm. > Approximately. > > Welcome to the single-speed club--calculating chainline is one of our > initiation rites. > > This article is about fixed gear set-up but can be equally applied to > SS rigs, it has some good stuff including a how to measure chainline > on the bike: > > http://63xc.com/mattc/setup2.htm > > On May 21, 11:04 am, Lee <leec...@gmail.com> wrote: > > > > > Thanks, Jeremy. I saw an old thread involving Sheldon in which he > > said: > > > "White Industries singlespeed hubs are intended for about a 47.5 mm > > chainline with a singlespeed freewheel or typical fixed sprocket. > > > The double sprocket pretty much splits the difference, giving > > chainlines > > of about 45 & 50." > > > I'm wondering if this is so in regards to the Riv Suzue free/free hub. > > The thread in general was focused on the Quickbeam, but Sheldon hadn't > > received the DOS yet to actually measure it. > > > Best, > > Lee > > > On May 20, 10:35 pm, Jeremy Till <jeremy.t...@gmail.com> wrote: > > > > Don't know anything about the DOS/Suzue combo specifically, but on a > > > Phil hub my surly Dingle Cog gave me ~38mm and ~43mm chainlines; i'd > > > image the suzue hub would be similar since they both aim for a 42mm > > > chainline with a single cog. A Sugino XD double on a VO 103mm bottom > > > bracket lines up well, with the driveside crank is snugged up pretty > > > tight to the bottom bracket cup (luckily the way it's machined > > > prevents any rubbing). > > > > On May 20, 5:15 pm, Lee <leec...@gmail.com> wrote: > > > > > Thanks all, for the great information. That's a lot of food for > > > > thought. I do like the idea of the DOS freewheel. Does anyone know the > > > > chainline of the DOS in combination with the Riv Suzue free/free hub? > > > > > Best, > > > > Lee > > > > > On May 20, 3:00 pm, Dave Craig <dcr...@prescott.edu> wrote: > > > > > > Congratulations. That's a nice color. > > > > > > I ride the QB more than my other bikes. It just makes me smile. > > > > > > I kept the 32t chainring and changed out the 40t in front for a 36t. I > > > > > run a White 16/19 freewheel. I usually ride everywhere/all the time in > > > > > 36/16 (about the same as the stock 40/18). I use the 32/19 only when > > > > > I'm carrying a load or riding alone out of town into the mountains. > > > > > The advantage of my set-up is that it's close to the original range > > > > > (which is pretty good for mixed riding) and yet it requires very > > > > > little axle movement with the gear switch. This allows me to have a > > > > > really nice fender line and also lets me remove the rear wheel without > > > > > touching the fender Also, chainline is better compared to the stock > > > > > set-up. > > > > > > As of yesterday, I've got the Nitto Big rack in the back and Nitto > > > > > small in the front (with a basket). I installed the Nitto big rack in > > > > > the rear to give me a little more carrying capacity. This required > > > > > sawing off the little tabs on the rack that would have made getting > > > > > the wheel off more complicated. > > > > > > Dave > > > > > > On May 20, 10:27 am, Lee <leec...@gmail.com> wrote: > > > > > > > Hi everyone. I just joined this group, though I've been lurking for > > > > > > a > > > > > > while. Yesterday, through a fast and fortunate series of events, I > > > > > > picked up a used Quickbeam frame/fork/extras. Here's a small Flickr > > > > > > set: > > > > > > >http://tinyurl.com/2ctq33t > > > > > > > I'm currently mulling over drivetrain ideas and would be happy to > > > > > > hear > > > > > > suggestions or experiences. Currently, I'm thinking I'll do > > > > > > fixed/free > > > > > > for a while to get used to the bike. Then, make changes as needed. > > > > > > > Best, > > > > > > Lee > > > > > > SF, CA > > > > > > > -- > > > > > > 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-bu...@googlegroups.com. > > > > > > To unsubscribe from this group, send email to > > > > > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > > > > > For more options, visit this group > > > > > > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. > > > > > > -- > > > > > 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-bu...@googlegroups.com. > > > > > To unsubscribe from this group, send email to > > > > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > > > > For more options, visit this group > > > > > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. > > > > > -- > > > > 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-bu...@googlegroups.com. > > > > To unsubscribe from this group, send email to > > > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > > > For more options, visit this group > > > > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. > > > > -- > > > 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-bu...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > > For more options, visit this group > > > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. > > > -- > > 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-bu...@googlegroups.com. > > To unsubscribe from this group, send email to > > rbw-owners-bunch+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. > > -- > 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-bu...@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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