Pursuit frames

[usernameforme]

Would you still recommend 175mm cranks to a shorter rider (170cm)?

I've got this conundrum where I can get low enough on my frame, but even with 165mm cranks I've got quite a tight hip angle so if I went longer that might not be ideal... Perhaps I'd benefit from a steeper seat tube angle. I ride 172.5mm on the road/TT with no issues, just been suggested to me that I should give 170mm a shot.

[mikesbytes]

The extra length changes foot velocity. Another way to change foot velocity is to change the gearing. Approx one tooth on the big ring is equivalent to 5mm crank length

[usernameforme]

Makes sense, since I'm nowhere near maxing out my gearing I might give the 170mm a go...

Also, going back to frames, just spotted this on ebay/aliexpress the 54 would be a good fit for me. The BB is nice and high, and the front center is generous. Perhaps another option?

[dalai47]

Don't mean to threadjack this thread, but what sort of crank lengths are people riding for a pursuit? Do you change your cranks out for other events? Currently riding 165mm but tempted to give 170mm or 172.5mm a shot because that's what I ride on the road...

I still ride pursuits with 170's as I'm too lazy to change the arms to 175's. Now I have a second wired Track SRM, I may finally swap over the arms on one unit and trial the longer cranks for pursuits.

Length cranks on my other bikes:

175mm TT, CX, Road and MTB
172.5mm Fixed gear commuter