Sugino Mighty 175mm Left Crank Arm 47-8
Brand: Sugino Model: Sugino "Mighty" style. It's not possible to tell the exact model, due to it being a left hand crank. The date code of 47-8 means it is likely from August 1972, according to http://www.vintage-trek.com/component_dates.htm#sugino. Length: 175mm BCD: N/A (Left crank arm only) Date: 47-8 Pedal thread: 9/16" x 20 (standard) Weight: appx 169g Other info: In very good condition overall. Some marks (see pictures) Postage is $10