27.2 mm 400 mm Aluminium Seat Post with Clamp Size:Unique size the waterproof seams and membrane

the waterproof seams and membrane (15

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the 155 mm will provide better relief for sensitive areas

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and breathing easier with the effort on breathing reduced by 20%

27.2 mm 400 mm Aluminium Seat Post with Clamp Size:Unique size the waterproof seams and membraneDesigned for replacing your seat post on seat tubes with a 27. 2 mm internal diameter. Technical features Diameter: 27,2 mm Length: 400 mm Tilt adjustment: Yes Offset: 16 mm Material: 6061 aluminium Clamp: 16 18 Nm Insertion limit: Yes Assembly tips Take care not to exceed the insertion limit of the seat post in your frame. Ensure that the seat tube is clean. Put a bit of grease on the post to make it easier to slide and prevent water or dust from