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 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 thick0.190 material
Outer chainrings are cut from0.160" material
22-28t & 34-40t rings are compatible with Shimano M785 and M675 cranksets*