Full Speed Ahead Pro Track Chainring 49t x 144mm 1/2x1/8" Black Model=Hammerhead Karoo GPS Bike Computer CNC Machined from high grade

CNC Machined from high grade 6061-T6 series aluminum for high strength while providing weight savings

-01: 1-1/4 receiver

making them perfect for riding indoors while minimizing disturbance to others

Self-draining open lower frame design allows dirt to fall from lens

The Magura HS22 hydraulic rim brake and lever is designed for the needs of city and trekking riders

Full Speed Ahead Pro Track Chainring 49t x 144mm 1/2x1/8" Black Model=Hammerhead Karoo GPS Bike Computer CNC Machined from high gradeFull Speed Ahead Pro Track Chainring 49t x 144mm 1 2x1 8" Black. 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 49 Drivetrain Speeds Single Speed 1 2" x 1 8" Chainring BCD 144 Material Aluminum Defined Color Black