Iowa Linear Mach III (3) 45″ Used Iowa Linear Mach III (3) 45" frame $695 Specifications: Rear Derailleur Neos Crankset Shimano 56/46 Internal Hub SRAM 3x7 Cassette 28-11 7sp Shifters SRam 3x7 Gripshift Brakes Dia Comp I'm Interested! Contact Me. Thanks for your interest! × Submitting this message will send us an email and someone will respond to you shortly. Your Name (required) Your Email (required) Your Phone (optional) Your Zip Code (required) Your Message (required) I consent to having this website store my submitted information so they can respond to my inquiry. Please leave this field empty.