Here's my experience:  53cm Bleriot, triple Sugino chainring set on 170 cranks - never have had a pedal strike.

Heading out now on the Bleriot to do some errands,
Joan


Jul 8, 2009 01:47:21 PM, rbw-owners-bunch@googlegroups.com wrote:

I ride a 58 cm Saluki with SPDs, relatively wide-Q triple, 170 mm
cranks, and I have a very occasional strike. It's typically when I'm
hammering like a goofball and not thinking. So I haven't sweated it;
Completely avoidable when I'm riding mindfully.

As for how much more lean you'll get out of 5 mm shorter cranks...
besides pedal width, your Q-factor will also make a difference. A
high-Q (modern) triple setup will strike before a low-Q double or
single. The trigonometry is left as an exercise to the reader. :)

-Darren.

On Jul 7, 9:37 pm, "colin p. cummings" <colinthehip...@gmail.com>
wrote:
> Bleriot Riders,
>
> I'm riding a 59 with sneaker pedals and am growing irritated with
> pedal strike.  This happened just today on a mild turn.  Sure my
> riding ability's not fantastic, but I'm wondering if I should switch
> to a 165 crank from my 170.  Will that 5mm make much difference?  Will
> narrower pedals help much?  Experiences please...
>
> Cheers,
>
> Colin Cummings
> Amarillo, TX

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