This aero alluminum seatpost clamp / seatpost collar has an innovative 2 screws locking system and 1 back tighten bolt that lets you have best seatpost clamp / seatpost collar replacement for your aero seat tube of UNKNOWN, GRAY, LEADER and more brands.
Material: AL alloy.
Diamesion: As display photo to match your seat tube size.
Length: 350mm .
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