Steve, Thanks for the reality check. I did a different check and agree, 4mph is a bit too slow at 90 cadence. :) I found another neat, sharable tool. What do you think of this combination?
http://www.gear-calculator.com/?GR=DERS&KB=36,46&RZ=11,12,13,15,17,19,22,25,28,32&UF=2200&TF=90&SL=2.6&UN=MPH The 36t ring should be all I need for a while. Maybe some day I'll graduate to the 46t ring. The 34-50 might be possible, but the 36-46 seems a better fit. Tim On Sun, May 29, 2016 at 4:17 AM, Steve Palincsar <palin...@his.com> wrote: > > On 05/29/2016 05:15 AM, Tim Butterfield wrote: > > Building further on the 2x10 possibility, I did some further playing with > Sheldon's gear inch calculator. If I could pair the Sugino XD2 26t-40t > crank with the Praxis 11-40 10 speed cassette, that would provide a range > of 26x40=17.6 up to 40x11=98.2. From 17.6 to 98.2 is quite a range of > gear inches. I not sure if I would use either extreme, but they might come > in handy if I ever needed it, especially if I put a decent sized bag on the > back rack. For a weak rider that might have a mix of flats and hills, what > would you think of that range? > > > It's not just the range. Here's your proposed gearing (if not the exact > cassette, close to it): > > 63.8 98.2 > 54.0 83.1 > 46.8 72.0 > 41.3 63.5 > 36.9 56.8 > 33.4 51.4 > 29.2 45.0 > 25.1 38.6 > 21.9 33.8 > 19.5 30.0 > 17.6 27.0 > A good general rule is you want your main cruising gear, the one you use > for level ground w/o winds helping or hindering, to be in the middle of the > cassette. Here you are on the 3rd position. Going up has one moderate > step and one pretty large one. Going down, you have plenty - enough so > that for anything but seriously hilly country you need never go to the > small ring. But when you do, look at what happens: you drop so much > you'll feel as though you dropped the chain, and will have to immediately > upshift two to four times to get to the "next lower" gear, depending on > where you are on the cassette. That can be hard to live with. Also, 17.6 > is exceptionally low. Most people only have a use for a gear that low in > the most severe terrain when they are carrying loaded panniers front and > rear. > > > -- > 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. > Visit this group at https://groups.google.com/group/rbw-owners-bunch. > For more options, visit https://groups.google.com/d/optout. > -- 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. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
