Matched set of Shimano STX mountain or touring bike 175mm cranks. Model FC-MC34. Standard square taper. Size is 175mm. 5 bolt cranks and chainrings, BCD is 94 (compact triple). Original round 42/32/22 chainrings. 9/16 X 20T pedal threads (English). Threading and tapers are in good shape. Some normal light wear, work great. I took a close up picture of the chainring teeth. Please check out the attached pictures, that's exactly what's included. Buyer pays shipping (delivery confirmation is included) at $11.00 in the continental U.S. Buyer to pay within 7 days. International shipping by eBay Global Shipping Program. Thanks!