Features:
Aluminium alloy material, high quality, long service life. Convenient design, simple installation.
31.8mm clamp fit for 27.2/28.6mm seatpost.
34.9mm clamp fit for 30.9/31.6mm seatpost.
M：31.8mm，L：34.9mm
Specification:
Model: GUB CX-18/CX-49 seatpost clamp
Material: Aluminium alloy
Colors: Blue, black, red, titanium
Diameter: 31.8mm/34.9mm
Weight: 40g
Package includes:
1 * Bike seatpost clamp
