Lightweight Performance The PRO Tharsis 3Five is a lightweight dropper post perfect for cross country or endurance mountain bike events, when saving a few grams can have a big impact on your performance. A combination of 6061 and 7075 aluminium keep the seat post light and strong, so you can save weight without worrying about performance or durability. Cross Country Ready A new, lighter cartridge extends the weight saving into the internals, and internal cable routing keeps the outside clean and tidy. With up to 100mm of infinite travel, the Tharsis 3Five is the perfect addition to your cross country rig.
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