Shimano R9100 Dura-Ace 172.5mm Crankset

Experience the pinnacle of cycling performance with the Shimano R9100 Dura-Ace 172.5mm Crankset. Engineered for the demands of professional racing, its iconic 4-arm construction and optimized crank arm design deliver exceptional rigidity while shedding 7g, weighing in at a mere 609g (50-34T). The innovative chainring tooth profile is specifically adapted for race bike disc brake systems and accommodates shorter 410mm chainstays with 135mm OLD rear spacing, ensuring seamless integration. Featuring Hollowglide chainring construction, this crankset guarantees smooth, precise shifting, reduced weight, and increased stiffness, making it the ultimate choice for competitive cyclists.