Full Speed Ahead Pro Track 51t x144mm Black Chainring 1/2"x1/8" Brand_Abus Uses a double hex head

Uses a double hex head interface so you dont have to use a chainring nut spanner

ABEC 5 precision cartridge bearing

}WTB TCS Rim Tape: 40mm x 11m Roll

Shimano replacement cable housing end caps help to keep contaminants out for better cable operation

Lightweight and easy to squeeze

Full Speed Ahead Pro Track 51t x144mm Black Chainring 1/2"x1/8" Brand_Abus Uses a double hex headFull Speed Ahead Pro Track 51t 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 51 Drivetrain Speeds Single Speed 1 2" x 1 8" Chainring BCD 144 Material Aluminum Defined Color Black