I have a ProMax adjustable stem. It is about 110mm and adjusts up and down. It is for 1" threaded steerers and takes a 26.0 bar. I used this to get my aerobar height set on my old tri bike. Very useful for test rides. A bit heavy for racing.

$10, plus shipping.

-Robert

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"How wonderful it is that nobody need wait a single moment before starting to improve the world." ~Anne Frank