Material:full carbon Fiber + Alloy cover

Diameter: φ27.2/φ30.9/φ31.6mm

Length: 350/400mm

Finish: matte/gloss

Weight: about 205g(±10g) 31.6x400mm 20degree/197g(±10g) 30.9x400mm 5degree/200(±10g) 27.2x400mm 20degree

Fits Seat rail height：7x7mm（Comes with a pair of alloy rails 7x9mm for free）

Bike Type: Mountain/Road Bike

Package includes: seatpostx1 pcs, alloy rail x1 pair