Bicycle Quick Release Seat Post Clamp Aluminum Alloy 31.8mm Mtb Bike

Specification: Material: Aluminium alloy 4 Colors: Blue / Black / Red / Yellow Dimension: approx.65 x 52 x 16 mm / 2.56"x2.04"x0.63" Features: Aluminium alloy material, high quality, long service life Convenient design, simple installation Easy to use Suitable for 30.4mm - 31.8mm seatpost Package includes: 1 x Bicycle Mountain Bike Quick Release Seat Post Clamp