![]() Nashbar Metal Ruler Quick, what is the rear dropout spacing of your bike? Using the Nashbar 12 inch (30 cm) metal ruler it's easy to find out! This shop quality scale shows inches (down the 64ths) and metric centimeter and in 1 mm increments. Also featured are nifty spoke measuring guides and a real handy conversion table on the back side of the ruler. Keep one in your tool box or hag it at your work bench. Includes a plastic storage pouch. |