<ul><li>Bike Seatpost - Diameter: 31.6mm/1.24"; Length: 300mm/11.81"; Thickness of the tube: 2.2mm/0.09"</li><li>The post is suitable for most bike, such as fixed gear bicycle, mountain bikes, track bike, road bike, etc</li><li>Made of high-quality aluminum alloy, light weight but good load-bearing, good touch and anti-oxidation</li><li>Easy to install, just unbolt your old seat and remove your seat post then bolt on your seat to your new seat post and install it into your bike frame</li><li>Note: There is a safe line mark on the seat post. Please insert at least above the minimum safety line</li></ul> Specification: Weight: 173g Color: Matte Black Material: Aluminum Alloy Length: 300mm/11.81" Diameter: 31.6mm/1.24" Thickness of the tube: 2.2mm/0.09" Package Includes: 1 x Bike Seat Post Note: Due to the manual measurement, there may be small deviations. The color may have different as the difference display, please understand.

MY MIRONEY 31.6 X 300mm Bike Seat Post Matte Black Bike Seatpost Aluminum Alloy Bicycle Seat Post Replacement for Road & Mountain Bike