Description
If you have the PNW Components Rainier dropper post in 30.9. 31.6 or 34.9mm diameter and need to replace your air cartridge then this is what you need.
The replacement air cartridge for the 27.2mm diameter Rainier dropper posts is listed separately.
The replacement air cartridge for the 30.9. 31.6 or 34.9mm diameter Rainier dropper post is available in lengths to suit 125mm. 150mm. 170mm and 200mm drop models.
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