Made of high-quality Aluminum Alloy material, with matte surface design, comfortable to touch

The inner wall thickness is about 2mm, never rust, and durable for long term use

5mm Hex Wrench at the seat post brings twisting force up to 10Nm, lock tightly, and more firm

Adjustable seat post makes your riding more comfortable and stable

Suitable for most mountain bikes, road bikes, fixed gear bicycles, downhill bikes, track bikes, MTB, etc

Product Size: 31.6 x 350 mm