The round plastic dish that is mounted on the rear hub of all new bicycles. Designed to protect the wheel spokes from the chain when it jumps off the cassette.
Bobby cut off his dork disk, and when his chain jumped off the cassette, it ate the spokes on his new Mavic 819s. Ouch! Thats gonna be expensive
by alpha52 September 29, 2008
6 Words related to Dork Disk

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