1. Road double.
2. Road triple.
Feel free to list by decades. I am guessing standards changed from the olde
days thru now.
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On Sep 24, 2014 12:24 PM, lungimsam john11.2...@gmail.com wrote:
1. Road double.
2. Road triple.
Feel free to list by decades. I am guessing standards changed from the
olde days thru
Today, most racing doubles have a Q factor of 146-148 mm. Campagnolo is
very consistent at 146, others vary a bit. Road triples usually are about
10 mm wider.
For example, our Rene Herse doubles have a Q factor of 142 mm when set up
with a 43.5 mm chainline. (I run mine with a narrower
This just for one particular crank, the TA Pro 5 Vis (older model). When I
used them as doubles, these have Qs of about 135 mm on a 115 mm spindle. I
daresay the newer models, with more space between outside of right arm and
inside of outer ring, may be a bit wider.
Same TA crank set up as
