Full Speed Ahead Energy SB20 Seatpost 27.2 x 350mm Gray Graphic Black ID Width-24 Number of Tools 21 Chain

Number of Tools 21 Chain Tool Yes

4 Light Levels plus 3 Daylight Flash Modes

Fits Brand SRAM Drivetrain Speeds 9 Drivetrain Speeds 10

Color Black Disc Brake Compatible Yes Material Aluminum Maximum Wheel Size (in) 29 Platform Dimensions 12

Largest three cogs are attached to an aluminum spider

Full Speed Ahead Energy SB20 Seatpost 27.2 x 350mm Gray Graphic Black ID Width-24 Number of Tools 21 ChainFull Speed Ahead Energy SB20 Seatpost 27. 2 x 350mm Gray Graphic Black. FSA (Full Speed Ahead) Energy Seatposts3D forged and CNC machined AL6066 w alloy head Directionally butted for light weight and additional strength Chromoly hardware TECH SPECS Defined Color Black Offset (mm) 20 Diameter 27. 2 Color Black Clamp Style Standard Rails Length 350