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Apply the same exacting standards you use for your stem and crankset to your bike accessories, and BOOM you get the Knog Oi Aluminum Bell. CNC-machined with a solid brass "dinger" and leather protective strip to spare the fancy anodizing on your bars, the Oi emits a crystal clear warning signal and classes up your ride in moments.
CNC'd Aluminum, Stainless Steel, Brass and Leather
Small – Fits 22.2 mm diameter handlebars, including most road and commuter bars
Large – Fits 34.8 - 31.8 mm bars
Low profile design
Exceptional tonal quality