The e*thirteen Helix Race 3-Bolt Direct Mount Chainrings engineered for SRAM 3-Bolt crank systems merge aesthetics with robust durability. e*thirteen's narrow-wide tooth profile ensures compatibility with Shimano and SRAM 11 and 12-speed drivetrains. Manufactured from AL-7075-T6 aerospace-grade aluminum the rings are CNC sculpted to provide low weights. Elevate your 3-Bolt Cranks diversify drivetrains reduce weight and bring a new aesthetic to your bike with the Helix R 3-Bolt Chainrings.3mm Offset 3-Bolt Direct Mount design for use with SRAM™ 3-bolt direct mount compatible cranks M4 narrow-wide tooth profile provides Shimano and SRAM 11/12-speed chain compatibility excellent chain retention and reduced wear Forged from premium 7075- T7 aluminum then extensively CNC optimized for industry leading weights and a unique high-end full CNC aesthetic Durable 7075-T6 construction for long wear-life stiffness and strength
| Tooth Count | 30, 32 |
| Drivetrain Speeds | 12 |
| Round or Oval | Round |
| Offset | 3 |
| Material | Aluminum |
| Color | Black |
| Weight | 43, 46 |
| Defined Color | Black |
| Direct Mount Type | Direct Mount SRAM 3-Bolt |
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