When you are using a Blackspire product you are not riding with a low-grade component. So, when you make the long drop or even a short one, you have the confidence that your equipment will not fail. Their raw materials are aircraft standard which is of the highest quality.
- CNC’d 7075 T-6
- The ENGINEERED ring!
- Modified shift gates and special profiles to allow 10 and 11 speed chains to shift flawlessly
- Outer chainrings have strategically placed stainless steel pins to further enhance shifting
- For use with 10 or 11 speed drivetrains
- Anodized w/Laser etched Graphics
- Compatible with 4Bolt 110BCD Dura-Ace and Ultegra cranks