Everyone’s already made good points (what a great resource this place is!),
but always feel free to get ahold of me as I work at Merry Sales. Anyone
can email me at luke at merrysales dot com with questions related to stuff
you’ve bought from us.
On Thursday, January 25, 2024 at 5:59:45 AM
Everyone’s already made good points (what a great resource this place is!),
but always feel free to get ahold of me as I work at Merry Sales. Anyone
can email me at l...@merrysales.com with questions related to stuff you’ve
bought from us.
On Thursday, January 25, 2024 at 5:59:45 AM UTC-8
Keith, I think to get a good road chainline 43.5-45mm for a road frame
w/130mm spacing and a 46/30 (or abouts), a basic road triple would work
just fine. Be it a 110/74 or 130/74, either way they accommodate the 46t
ring in the middle. Even a basic XD2 with a 107mm BB is 45-46mm chainline,
and
I wanted a “medium” touring bike, so I got an A Homer Hilsen frame.
I was also impressed with how the 24mm, eternal bearing, Hollowtech II
drive system felt. It was, to my feet, noticeably stiffer than the square
taper BBs I had been using for years.
So, loath to screw up a Rivendell frame, I
Max, I can't imagine why you'd have a problem but, obviously, someone with
more experience should chime in. I'm going to "try" to use this same bb
without the spacers, and get a different crank. I'm not sure I can find
one with the right spindle length, right spindle diameter, and 10 speed
To wrap this up, and hopefully make it useful for someone else down the
line:
I think Garth is right. This crank will not work on this bike.
Even if an X-type crankset is advertized as working with both 68 and 73 mm
shells, it's not that straight forward. It can technically "work," but
A different, but related question:
I mistakenly bought the MTN version of a Shimano bottom bracket (external
cups) for a recent 105 crank. Comparing to the old (road) BB, it looked to
me like the only difference was the internal plastic sleeve length. I
swapped in the old sleeve between the
Keith, road bike double crank chainline spec is always 43.5mm. Are you
measuring between the rings ?
You may hate me for saying so but it sounds like this crank would be better
suited for another frame with at least 135mm spacing. With the big ring
that far out on a 130mm spaced road frame,
Almost all of the external cranks I've installed have multiple spacers.
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Nick, as I mentioned in my question, I too only have experience with cranks
that take spacers between the arm and the cup. It makes more sense that
way, but this bb definitely seems to require spacers next to the shell.
That's how it was assembled when it arrived. I just cant figure out why
I mostly take the number of spacers they recommend and arrange them in
whjatever fashion creates the best chainline for the bike.
Will
On Sunday, January 21, 2024 at 8:26:56 AM UTC-5 aeroperf wrote:
> I’m going to stick with the spacers going as shown in the exploded view -
> spacers going
I’m going to stick with the spacers going as shown in the exploded view -
spacers going between the cup and the BB shell.
You’re absolutely right on the prep work. Both bikes were chased, but the
Soma was not faced… probably why it gets by with the spacer stack slightly
smaller.
--
You
Thanks. I didn't even think to see if the chainline was matching some
standard or other. On multi-gear drivetrains, I've always been more
concerned with, and prioritized, arm- or chainring-to-chainstay clearance.
I might have compounded my problem by using a modern, wide (mtb or modern
And of course, the system reversed my photos versus their names. 1 -
Soma. 2 - Homer. 3 - EV.
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