Cane Creek Thudbuster G4 Seat Post - 30.9mm - Long Travel - 420mm YGroup_7033719521325 The internal battery is 65

The internal battery is 65 x 18 x 18mm - at only 45g

Weight: 245g

but below the visor

you have to pour directly into your tyre

40mm adaptor

Cane Creek Thudbuster G4 Seat Post - 30.9mm - Long Travel - 420mm YGroup_7033719521325 The internal battery is 65The new Cane Creek Thudbuster G4 Seat Post has been updated to deliver even better performance and ease of use. These unique parallel linkage seat posts offer riders plush travel to significantly absorb and diminish shocks and impacts from a range of terrain. The tool free interchangeable elastomer inserts (sold separately) offer a range of preset dampening adjustments to make it easy to dial in what best suits your requirements. This is very likely