- 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.
- CNCd 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
- Anodized w/Laser etched Graphics
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