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What crankset to replace touring triple for gravel?

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What crankset to replace touring triple for gravel?

Old 02-18-24, 02:16 AM
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Originally Posted by Duragrouch
And fortunately as I have seen on here, shimano did make a hollowtech II in a 5 arm road triple
Yeah, Ultegra 6703? I had that on my 2011 Cube Agree. Lowest gear was a 30:30. Briliant for climbing but a bit of a pita for cable adjustment.
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Old 02-18-24, 03:14 AM
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Originally Posted by choddo
Yeah, Ultegra 6703? I had that on my 2011 Cube Agree. Lowest gear was a 30:30. Briliant for climbing but a bit of a pita for cable adjustment.
Sounds familiar. Another thread, a fellow was changing the setup on his road or touring bike for hills, has 30:30, wants a bit lower. But I looked at that lovely crank, wistfully.

"Thou shalt not covet thy neighbor's crank."

This thread, pic in post #34:
Lower Gearing for Ultegra 6603 Triple?

Last edited by Duragrouch; 02-18-24 at 03:23 AM.
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Old 02-18-24, 10:19 PM
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Originally Posted by Duragrouch
I love that the new wider-range 2Xs, 16 tooth drop, work almost as good as a 3X, which is a problematic fit for my 20" wheel folder. And with a big wheel bike per this thread, I could see not needing a 50 high, so going with 46. But even with my 50/34 11-30 (7sp), I have 5 duplicate gears in the middle of the range (an advantage of 1X, no dupes, but a tough fit on my bike). My point being, having as wide a spread on a 2X as possible, reduces duplicate gears. Unless a 46/34, 12 tooth drop, shifts that much easier? My 16 tooth drop shifts fine. Unless the 46 provides half-steps? I haven't run the numbers. I hate dupes, would love to go 1X, but other limitations hold sway.
Lower tooth differences are always gonna shift smoother of course, but not so dramatically different that itíd be a deciding factor for me. My two highest mileage bikes both have/had 50/34 combos. The first one, a SOMA Smoothie, is running 11 speed 11-28. Max tire size on that bike is 28 so itís always been my dedicated roadie. The drivetrain is perfection for where I tend to ride this bike, basically just paved roads. I donít foresee ever changing it. However, my other 50/34 setup was on a Surly Crosscheck that I built up as a dedicated gravel bike. That one was 9-speed 11-28 so same range as the Smoothie, but since it was on generally rougher roads, I found myself mostly in the 34 ring and/or cross chaining a lot in either the 50 or 34. So the 46/34 combo is really just better for THAT bike. If I only had one ďdo it allĒ bike iím sure Iíd approach it differently, but Iím super lucky and get to tailor all of my drivetrains to each bikeís overall use.
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Old 02-18-24, 11:33 PM
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This.

Ps: I use a 48/36/24 triple with a 12-34 ten speed cassette on one of my gravel bikes and a 48/28 with a 12-34 eight speed cassette on the other one. Geography and age.
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Old 02-18-24, 11:43 PM
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Originally Posted by rccardr
This.

Ps: I use a 48/36/24 triple with a 12-34 ten speed cassette on one of my gravel bikes and a 48/28 with a 12-34 eight speed cassette on the other one. Geography and age.
48/28, or is that a typo? I'd love that much range on a 2X.
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Old 02-19-24, 09:24 AM
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Yep, you read it right. Have that setup on two bikes, one with a VO Gran Cru crankset and the other with an Apex 86 bcd crank. Both use Shimano CX70 FD’s and both are friction shifted. Previously used the Apex on an older Merck frameset with a DA 7400 FD but I think with a 12-28 freewheel.
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Old 02-19-24, 09:04 PM
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Originally Posted by rccardr
Yep, you read it right. Have that setup on two bikes, one with a VO Gran Cru crankset and the other with an Apex 86 bcd crank. Both use Shimano CX70 FDís and both are friction shifted. Previously used the Apex on an older Merck frameset with a DA 7400 FD but I think with a 12-28 freewheel.
Thanks. That tells me I might be able to run a 50/30, but I'd still need a new crank with 74mm inner BCD, my 50/34 110BCD won't do 30. More probably, I'll go to a wider range cassette, with one of the clever new RDs like a Zee (20" wheels, ground clearance is an issue).
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