Uploaded January 2026 | Updated September 2026, 2 weeks ago

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Don’t miss your chance—there’s still time to register to bid for Mecum Las Vegas Motorcycles 2026, January 27–31. Bidders who can’t attend the event in person can join the auction action through Mecum’s live auction block broadcast and bid via phone or online bidding. Visit Mecum.com for all the details.

mecum.com/auctions/las-vegas-motorcycles-2026/?utm_source=CycleWorld&utm_medium=Podcast3&utm_campaign=01142026

Early attempts at sealing pistons in cylinders included hemp and other natural fibers. Today's piston rings are made of amazing metallic materials that allow motorcycle engines to last longer than ever. Kevin and Mark dive into piston rings from the early days to now and talk about cylinder finish, ring gap, "flutter," and so much more. Join them on the Cycle World podcast!

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