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The Pro PLT seatpost takes the same easy to use secure clamp that is on the more expensive Vibe 7S but instead features a 2014 alloy post to help keep the price down. 2014 alloy is commonly used in the aircraft industry and a wide variety of high strength engineering applications making it the ideal choice to produce this lightweight, strong and reliable head and clamp assembly. The 20mm layback seatpost comes in a 350mm length, is Di2 internal battery compatible and features a handy height-indicator on the rear of the shaft for quick setup.