Full Speed Ahead Pro Track 50t x144mm Black Chainring 1/2"x1/8" Flat Bar/BMX- Individual 5 3 4 5 6

5 3 4 5 6 and 8mm hex

The proprietary design has an ovality of 10% and a timing of 112 degrees after top dead center which provide the benefits of an oval ring without the traditional downsides of oval rings

}Full Speed Ahead Orbit X 1" Threadless Headset Black

Includes UV-proof quick on/off handlebar mount

}DT Swiss Freehub Body - 12 x142mm Ratchet HG 11 MTN

Full Speed Ahead Pro Track 50t x144mm Black Chainring 1/2"x1/8" Flat Bar/BMX- Individual 5 3 4 5 6Full Speed Ahead Pro Track 50t x144mm Black Chainring 1 2"x1 8". FSA Pro Track Chainrings are CNC Machined AL7075 T6 with laser etched logos. Requires 1 2"x1 8" chain TECH SPECS Color Black Ring Position Type Single Tooth Count 50 Drivetrain Speeds Single Speed 1 2" x 1 8" Chainring BCD 144 Material Aluminum Defined Color Black