Oval shape allows for greater power, increased traction and a smoother spin
Blackspires oval shape has an ovality of 12-13% with a timing of 115 degrees after the top dead center
Highly sought after narrow-wide tooth design provides excellent chain retention without a chain guide
Perfect for 1x setups and compatible with 9/10/11, and 12 speed systems. 9 speed drivetrains require a 10 speed chain
For SRAM DM Boost cranks, 3mm offset for a perfect 52mm chainline
For SRAM DM Cinch cranks, 6mm offset for a perfect 49mm chainline
CNCd in Canada from 7075 aluminum with laser etched graphics
| ring type |
single (anti-chain drop) |
| mount |
3-bolt DM 3mm offset |
| teeth |
28t |
| oval/round |
oval |
| color |
black |
