The proven Transfer seatpost gets lighter and tighter for 2021. Completely redesigned from the ground up, with improved serviceability, decreased weight, reduced length, and decreased insertion depth.Performance Elite Transfer Posts retain the same internals, diameter options, drop options, shortened stack heights, new patent-pending head design and proven internals as the Factory Series but have a black anodized upper.Patent-pending clamp design dramatically reduces stack height,Proven Transfer internals with even easier serviceability than 2020 model,25g lighter than 2020 Transfer,NEW lightweight under-bar 1x lever design – or existing 2x lever (Supplied Separately - Not Included with Post),NEW 200mm drop option,Updated design.