Publicado Por En julio 27, 2026 Vintage Sugino Crown Crank Arm RIGHT 144 BCD 171 BCD 5-Bolt Square Taper Road Vintage Sugino Crown right crank arm with integrated 5-arm spider Five-arm spider uses a 144 mm bolt circle diameter for standard 5-bolt road chainrings. Actual Measurements: BCD: 144 mm, weight: 257.3 g based on the digital scale display in the photos. Right only Used Gipiemme right crank arm with moderate cosmetic wear from prior installation and use. Some tool marks on the far side of the tapers. Arm faces and spider have surface scratches, small nicks, and finish rubs. Square taper socket and crank bolt threads show visible wear, tool marks, and light discoloration.