The Pro Tharsis XC 30.9X400mm Carbon Seat Post is light yet still capable of enduring the rigours of World Cup XC racing. It allows for maximum adjustability thanks to its 1-bold clamping system. This post will put you in the perfect position to apply maximum power to the pedals. It is compatible with Shimano Di2 battery integration. The 20mm offset puts you in an aggressive riding position. Key Features: - UD carbon construction- 1-bolt clamping system- Compatible with Shimano Di2 battery integration- Matte carbon finish- Length: 400mm- Diameters: 31.6mm- Offset: 0 - 199g weight

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