Crank Arm Brewing. Raleigh; Durham; Beers; Events; About Us; Shop; Checkout these cans! Saturday’s Gravy, is a full service design firm based out of Raleigh, NC specializing in DESIGN . DIGITAL . DEVELOPMENT. They're also the humans creating all our weird can art. Read More. Monday. 2:00 pm – 10:00 pm. Tuesday.

The one-piece splined crank arm concept is a take on the older and simpler one-piece cranksets that you still find on the smallest and cheapest bikes. However, the design principle is sound. These cranksets have the arm, spider (part of crankset that accepts bolts for chainring), chainring, and the spindle all in a single assembly.