Exactly, Garth.
I continue to run triples, so I have viewed the trend toward purportedly simpler drivetrains with curiosity and from a long distance. I have never felt a need to simplify with a double or especially a 1x configuration. It’s basically a one-time setup for the triple, and with friction shifting there’s rarely a need to fuss with any of it again. Set it and forget it. I love the super wide gear range, and I enjoy the mechanics of shifting front and rear.
I totally understand the urge to tinker and play with different setups for fun and variation, though. But with cranks and front ders I’m either too set in my ways or too lazy to futz around. On Jul 15, 2023, at 14:27, Garth <garth...@gmail.com> wrote:
Along the lines of what exliontamer expressed, the bowed out stays of frames like the Bomba and Atlantis don't lend themselves to fufu trendy gearing configurations. Since your current crank isn't broke don't go out to fix it. There is certain efficiency and effectiveness in a 110/74 crank with 24-6/36/46 cranks. They just work and cover any terrain, given a suitable cogset. They shift beautifully. On Saturday, July 15, 2023 at 12:46:44 PM UTC-4 exliontamer wrote:
Speaking from experience, that Ritchey with the 94bcd is not going to give you a good chainline as a double unless you get something very small. People always throw out numbers for the Road & the 110bcd Triple & I promise that it's different. I'm running one with a 46/30 combo on my old Atlantis & a 103 puts in in a barely useable range that I probably still shouldn't be running. The best advice I found, searching through a lot of old messageboards, was to try to find an old Phil Wood or cup & cone in the upper 90s. I'm actually going to change mine back into a triple for all of the above reasons.
Tinkering is maybe the most fun part of bike ownership! I recently doublized a triple LX crankset (110/74), Removed big and middle rings, re-installed the big ring on the inside of the outer spider with singlespeed chainring bolts. So now I have 46/26. Shifting is fine with a 7700 DA front derailleur, though I did install a chain catcher in anticipation of that 20t chain drop. Honestly though, I think the catcher has only "caught" the chain once. With 11-28 out back, it's a great double 1x - nice close gears in both ranges.
Will
I have a Clem Smith Jr. "L" bicycle. It has a SILVER crankset 110/74 bcd with rings of 34T and 24T. in the rear I have a SunRace 14-42T 9-speed cassette. There is a chain guard on the outer part of the chain rings on the 110 bcd position.
I
do have for the rear 9-speed drive train a Shimano M591 long caged
derailleur with a Wolf Tooth road link.
This works for me very well.
However, after reading the business owner of Anolog Cycles, James Johnson's article "Turkey Vulture Gearing 101"( https://analogcycles.com/blogs/news/alternative-gearing-turkey-vulture-turkey-vulture-supreme-turkey-vulture-loco-supreme),
I got to thinking about what I had in my parts drawers and what was
available online for purchase of a front derailluer. I came up with
following:
I have a 172.5mm T. A. Zephyr triple
crank set - 110/74/58bcd. I also have a Shimano CX 70 front derailleur. I
do have for the rear 9-speed drive train a Shimano M591 long caged
derailleur with a Wolf Tooth road link. I have a SunRace 11-40T 9-speed
cassette in the rear.
I bought a SILVER
chain guard for the 110bcd from Rivendell Bicycle Works. I placed a T.
A. 36T ring on the 74bcd and a 20T ring on the 58bcd.
Unfortunately,
I, too, have not tried in on my Clem Smith Jr. "L" bicycle at this
time, due to the fact that I am not planning to scale any large hills
here in the near future. I have been riding on pavement most of the
time.
This link might help you, Max:
Kim Hetzel Yelm, WA.
On Friday, July 14, 2023 at 5:05:38 PM UTC-7 Patrick Moore wrote:
46/36/24 to 42/28, 9 speed to 10 speed. I did 'xactly the same thing with the Matt 1:1: transmogrified from 46/36/24 Bontrager triple* to Ritchey Logic 110/74 double, only this time I kept the same Dura Ace 740? fd -- in the same place; it is still there today and it still shifts just fine
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