Full Speed Ahead Super ABS Road Chainring - 39t 110 BCD 4-Bolt Aluminum N10/N11 BLK MFPN=ST21-0DA20570-BK TC: tubeless compatible

TC: tubeless compatible

Rize Top - 20mm rise at the clamp area offers a more comfortable upright riding position

Promax RMV tubeless-ready rim design is focused on reducing weight while building it for strength and speed

Model VTX Coil Trunnion (D Tune) Stroke 60/65mm Eye Eye-205mm Eye Eye Length 205Mm Stroke Range 60/65Mm Mount Type Trunnion Tune D

Full Speed Ahead Super ABS Road Chainring - 39t 110 BCD 4-Bolt Aluminum N10/N11 BLK MFPN=ST21-0DA20570-BK TC: tubeless compatibleFSA Super Road Chainrings are designed to provide flawless shifting with minimal weight and unmatched durability. Precision CNC machined AL7075 T6 alloy Ring Position Type Inner Tooth Count 39 Drivetrain Speeds 10 Chainring BCD 110 FSA ABS Color Black Defined Color Black