BST01_18″/20″ Titaniuam Seatpost

BST01_18″/20″ Titaniuam Seatpost
Titaniuam Seatpost for Birdy ALL Series Ø33.9mm
(an extra aluminum extension base)
For 20″ wheelset/Length: 650mm
For 18″ wheelset/Length: 640mm
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