absoluteBLACK SpideRing Oval 2x Direct Mount Chainring Sets for Cannondale are incredibly stiff and lightweight. Sold as a set, they are designed for Cannondale Hollowgram cranks, such as SI, SISL, and SISL2. Chainrings have a ramp and recess design to improve shifting performance. Ovality has been optimized for road climbing, with timing of 108 -110.5° after TDC (top dead center).
Specifications:
- Direct Mount Type: Cannondale Hollowgram SiSL
- Tooth Count: 50/34
- Drivetrain Speeds: 11
- Drivetrain Speeds: 10
- Defined Color: Black
- Material: Aluminum
- Ring Position/Type: Inner
- Ring Position/Type: Outer
- Round or Oval: Oval
- Chainline/Hub Compatibility: 130 Hubs
- Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
- Chainline/Hub Compatibility: 135/142 Road Disc Hubs < 415 mm Chainstay