Full Speed Ahead MTB Pro Double Chainring - 38t 104 BCD 4-Bolt Aluminum D10 BLK MFPN=EP23-SRD12LF6WRL which are significantly more expensive

which are significantly more expensive

and Lock positions

Carbon Heel Counter provides increased rigidity and precise control

Wolf Tooth headsets are machined here in our Minnesota shop with aircraft-grade 6061 aluminum

Full Speed Ahead MTB Pro Double Chainring - 38t 104 BCD 4-Bolt Aluminum D10 BLK MFPN=EP23-SRD12LF6WRL which are significantly more expensiveFSA's MTB Pro chainrings deliver flawless shifting for mountain drivetrains. Precision CNC machined AL7075 T6 alloy Shifting ramps and stainless pins for improved performance Ring Position Type Outer Tooth Count 38 Drivetrain Speeds 10 Chainring BCD 104 Color Black Defined Color Black