Blackspire Super Pro Outer Ramped
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* For use with 9 or 10 speed drivetrains 104/38t and 104/40t chainrings for 2X drivetrains Anodized w/Laser etched Graphics Sizes: 104/64 - 22, 24, 26, 28, 32, 34, 36, 38*,40*,42,44,46,48