I should add - I didn't realize my aside about it needing a little work would be so noticeable - that my front shifting works good enough most of the time now. My intent was to show how a narrow range double could work with one of those huge cassettes people use for 1x's.
On Saturday, April 29, 2023 at 11:31:52 PM UTC-7 Joe Bernard wrote: > That may be the next move but I suspect it's a spindle length issue. This > FD was designed to run with an MTB double with a wide Q and 10-spd > chainrings closer together, it's not quite snapping over hard enough to the > small ring before running out of travel (limit screw all the way out). I > don't want to put in a longer bottom bracket so I may need to pick up an > older FD like Riv used to put on most of their bikes.* > > *This is the part of the story where I remember why I gave up front > derailers. > > On Saturday, April 29, 2023 at 11:17:01 PM UTC-7 Hetchins52 wrote: > >> Looks like you can lower the new derailleur a tad. Have you tried that >> and run into interference? >> >> David Lipsky >> Berkeley, CA >> On Saturday, April 29, 2023 at 10:04:45 PM UTC-7 Joe Bernard wrote: >> >>> I had a nice 1x and wanted slightly lower gears for some crazy hills >>> around here, but didn't want to lose the already relatively low top end so >>> mashed some parts together and this is the result. >>> >>> Starting point: SRAM Rival 1 (with clutch) rear derailer, I believe the >>> largest cog this is supposed to handle is 42t. I added a Garbaruk cage and >>> pulleys and it shifts a SunRace 11-50 11-spd cassette with a SRAM Apex >>> trigger shifter. The front is a Sugino XD crank with 34t chainring. >>> >>> Ok what happens if I want double rings? The manufacturer stuff says I >>> can't use a 1x derailer (I don't know why) so I thought I would cheat a >>> little and make it kind of two 1x's by adding a 30t inner ring, Shimano >>> Deore (DynaSys 10-spd double) FD and a Silver2 thumbshifter on the stem. It >>> works! >>> >>> Ok it doesn't work completely fabulously yet, the downshift to the small >>> ring doesn't always take and I still have some fiddling to do but overall >>> the bike works well for me using all of the gears in the 30t plus grabbing >>> the top 2 or 3 in the 34t on occasion, and sometimes just staying in the >>> 34t like before. It's not a massive increase in gear range, I think of it >>> as an expanded 1x. >>> >>> Does it make sense? I don't know, maybe this can be duplicated by ye old >>> triple drivetrains with 11-36 cassettes but I don't like triples. I like >>> this! >>> >>> Joe "tried to ditch front derailers, ended up with a front derailer >>> again" Bernard >>> >>> [image: Screenshot_20230429_211431.jpg][image: >>> Screenshot_20230429_211411.jpg] >>> >> -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/ee09df83-636a-48d9-adb4-d5866b98e550n%40googlegroups.com.
