Forgot to mention, this is the cassette <http://www.gravelbike.com/?p=5358> I'll be using, the new Sunrace 11-42 10-speed cassette. They sold out seemingly everywhere in 2 weeks according to my LBS, out of stock until late May.
On Friday, March 25, 2016 at 8:36:46 PM UTC-7, Mike Shaljian wrote: > > I just decided to convert my Jones Plus to 1X10 after a year of > frustration trying to make a double chainring setup work (constant > chainsuck/chaindrop). On my 3" tire setup I will have a gear range of 22.8 > - 87 gear inches, whereas my earlier setup (39/26 chainrings and 11-34 > cassette) gave a range of 22.9 - 106 gear inches. The 106 gear was crazy > tall for my Plus setup (also have a road wheelset), so I mostly topped out > in the 39-13 anyhow (89 gear inches). With this setup, I'm only losing 3% > off my typical high gear and my low end is identical. > > > > Having been a former Quickbeam rider, I still have a yearning for more > simplicity and not doing math while I'm riding trying to figure out gear > overlap or avoiding wicked cross-chaining is really appealing. I am also > really, really terrible at shifting the front chainring on singletrack and > generally just settle for being undergeared in my small ring, now I'll have > a continuous, non-overlapping gear range. I am really looking forward to > dispensing with the kludge and unreliability of a front derailleur, and I'm > not losing much for it. So I’ll take the dorky pie plate granny gear any > day! While I love going fast and had to rigorously work the Sheldon Gear > calculator to make sure I wasn't losing too much "go fast" on the top end, > I'd much prefer the elegance of a simpler and more reliable system and spin > faster on the flats and rest on downhills (love the Jan Heine tuck and > coast approach!). > > > > Included is a plot comparing the two systems. The 1X10 is in the middle, > between my current 39/26 setup. > > > <https://lh3.googleusercontent.com/-zFsa5ecdkE8/VvYCaUxvibI/AAAAAAAAA9Y/m2T7jdVP_rsH0XO4marJJ_R0_60iLTqNA/s1600/Plus_gearing_plot.tiff> > > > > > On Thursday, March 24, 2016 at 12:36:53 PM UTC-7, iamkeith wrote: >> >> I just saw that too. I know this wasn't the point of your posting, but >> I've never figured out why so many people on this board think these large >> cogs are so ridiculous. I completely understand the goal of eliminating a >> front derailleur and, in my opinion, this is just now finally... and just >> barely... getting to the point where a 1x drivetrain could be feasible and >> realistic. Admittedly, it really only works for mountainous trail riding, >> even then. I'm assuming you'd use a single front ring around 30 or 32 >> teeth, to still have a decent granny gear, so you wouldn't have the tall >> gears needed for road riding, and the steps between the middle cogs would >> probably be too big too. >> >> You just have to think outside of the road bike and flattish, paved >> areas, to the places where I live and ride. >> >> The things that I think funny are 2x drivetrains. If you're going to >> need a derailleur and shifter anyway, you might as well add that third >> ring and give yourself all the range you can use. >> >> On Thursday, March 24, 2016 at 12:47:56 PM UTC-6, Jim M. wrote: >>> >>> It's not April Fool's day, so it must be real: >>> >>> http://www.pinkbike.com/news/oneup-shark-50t-sprocket-kit-review.html >>> >>> >>> jim m >>> wc ca >>> >> -- 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.
