Hi, Nate Taylor here. Please reach out to me at nate@sscycleworks.com for inquiries on parts availabilities and shipping estimates.
Specialized cranksets
Specialized cranksets on this page: 175mm triple crankset | E2 175mm triple crank arms

Here's a 1983 ad for a Specialized crankset.
Specialized 175mm triple crankset with 24/34/42 Steel rings. Used, $50.00

Here's the top side

And here's the back side
Specialized E2 175mm triple crankarms. Used, $175.00/set
These cranks arms have a 110mm BCD for the two outer rings and a 74mm BCD for the inner ring.

Here's the front of the right arm.

Here's the back of the right arm. You can see it is a triple chainring arm.

The left arm

The back of the left arm.
