Full Speed Ahead Pro Track Chainring 49t x 144mm 1/2x1/8" Black Model=Hammerhead Karoo GPS Bike Computer Solo Air™ spring perfectly tuned

Solo Air™ spring perfectly tuned for shorter travel and efficiency over bumps

making them perfect for riding indoors while minimizing disturbance to others

model base spindle interface 30mm shell PF30 shell ID 46mm width 68/73mm color purple

}Wera 950/9 Hex-Plus Multicolour 2 L-key set metric BlackLaser

Full Speed Ahead Pro Track Chainring 49t x 144mm 1/2x1/8" Black Model=Hammerhead Karoo GPS Bike Computer Solo Air™ spring perfectly tunedFull 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