Blackspire MTB Super Pro chainring 104mm

Blackspire MTB SUPER PRO chain rings are designed for 9, 10 and 11 speed MTB drivetrain systems. They are CNC milled from 7075 T-6 aluminum. On the outer and middle rings, stainless steel pins are placed to improve the shifting performance. These rings are available in different teeth options and BCD sizes for both 4- and 5-arm cranksets.

• CNC’d 7075 T-6
• Modified shift gates and special profiles to allow 9 and 10 speed chains to shift flawlessly
• Middle and Outer chainrings have strategically placed stainless steel pins to further enhance shifting
• Middle chainrings are cut from thick .190″ material
• Outer chainrings are cut from .160″ material
• For use with 9,10,11 speed drivetrains
• 104/38t and 104/40t chainrings for 2X drivetrains
• Anodized w/Laser etched Graphics