Loose Screws show a 94BCD 170mm crank in their web catalogue.
http://www.loosescrews.com/index.cgi...id=99179516800.

Nick

"meb" wrote in message
...

I've got a set of 175mm 94 bcd cranks on a recumbent tadpole trike. Was
wanting to go to smaller arms and increase my gain ratio. Due some
unusual clearance issues it doesn't look as if I can go to 110 cranks.
I can't find any 94 bcd cranks other than 175 mm. Are smaller arm 94
bcd cranks extinct?