Full Speed Ahead MTB Pro Double Chainring - 38t 104 BCD 4-Bolt Aluminum D10 BLK MFPN=EP23-SRD12LF6WRL 8 mm pins are interchangeable

8 mm pins are interchangeable

Carbon Heel Counter provides increased rigidity and precise control

Kits include freehub bearings inner spacer pawls and springs Cassette Body Type Shimano Micro Spline

and Lock positions

Full Speed Ahead MTB Pro Double Chainring - 38t 104 BCD 4-Bolt Aluminum D10 BLK MFPN=EP23-SRD12LF6WRL 8 mm pins are interchangeableFSA'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