Rival 1 Crankset Dissident Ventilation channels are optimized to

Ventilation channels are optimized to ensure airflow and comfort on even the hottest rides

One-piece aluminum 2x chainring and carbon crankarms results in a lighter weight

sidewall stiffness

Easy setting and saving of the default value

Designed specifically to fit with our Diverge

Rival 1 Crankset Dissident Ventilation channels are optimized toFeaturing forged aluminum arms and SRAM's game changing X Sync chainrings, this crankset hits the sweet spot between weight, durability and performance. X SYNC Chainrings are compatible with SRAM 11 and 10 speed chains 45. 5mm chainline is compatible with 130 or 135mm spaced rear dropouts Chainring spider is removable Q factor for GXP cranks is 149. 6mm, Q factor for BB30 is 147. 4mm