Rather than developing a fresh design for its first dropper, Shimano’s finishing kit brand PRO has used a mix of post and remote components that are familiar from other brands. The result is a relatively light (613g) and affordable internally-routed unit that’s available in both 30.9 and 31.6mm diameters.
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The single-bolt clamp needs firm tightening to stop the saddle tipping if you G-out on it, but sideways wobble of both head and remote lever isn’t excessive even after a few months’ use.
While the return speed is steady, there’s a distinct top-out clunk to tell you when it’s fully extended and it doesn’t slow down obviously at low temperatures.
It’ll stop anywhere in its stroke, too, although the 120mm extension won’t be enough for a lot of riders/frames.
Our test sample has been functioning fine for several months so far and similar posts we’ve used in the past have also held up well over time.
Whether you choose the vertical ‘universal’ lever with cable noodle or the shifter-style under-bar lever for single-ring set-ups, the complete post price is the same and spares such as a seal and bushing kit (£14.99 / about $19.50) and spring cartridge (£49.99 / about $65) are readily available.