For your consideration today is this NOS set of 80s Shimano One Key Release Crank Bolts, made in Japan. Excellent original condition. Includes bolts, thread-in dust caps, nylon spacers and steel washers. Allows for easy removal of the crankset with a 6mm hex wrench. These just came out of a HUGE parts bin at a 50 year old Local Bike Shop! Please take a look at the photos and email us with any questions prior to bidding-- Thanks for looking!