The Jamis Explorer Step-Thru boasts a lightweight aluminum frame and comfortable upright ride position, aided by a hi-tensile unicrown fork. Featuring alloy 36H rims, stainless steel spokes, and Shimano EZ-Fire Plus 21-speed shifting, this bike also includes a forged alloy crankset with integrated chainguard and ProMax alloy direct pull brakes with Shimano levers. The saddle is an alloy micro-adjust seat post with Jamis Comfort, complete with memory foam and bumper springs for added comfort.