cSixx Derailleur Pulley Wheels Sram 12spd power2max Accuracy power measurement: ± 1%

Accuracy power measurement: ± 1%

and greatly improves pumping action and ergonomics

Power calculation system: IAV (Instantaneous Angular Velocity-based)

208 cm (82 inches)

Included in delivery: 1 chainring without chainring screws

cSixx Derailleur Pulley Wheels Sram 12spd power2max Accuracy power measurement: ± 1%Aluminum Pulley Wheels for SRAM and Shimano Derailleurs Less Drag Crisper Shifting Longer life span Lighter 7075 Annodised Aluminium Wheel for extended lifespan Oversized Enduro bearing for Less drag, longer Life and easy replacement. Large cutouts for less Grass pickup and superior Mud shedding SRAM 12SPD 14TT 12 STD