Sram Force E1 DM 12 Speed Road Chainrings Black

Sram wanted lightness, rigidity and durability, and they got all three. The Force 2x chainring kit is a single integrated unit, so no effort is wasted and all the power is transferred to the pedals. Details: Speeds: 12 One-piece construction for faster, smoother and safer shifting, Axle spacing: Direct Mount Material: Aluminum Technology: X-Range