Shimano Tiagra FC-4703 3×10 Crankset 172.5mm 50X39X30T

A 3×10-speed road crankset built on Shimano’s two-piece Hollowtech II construction with an asymmetric 110/74mm BCD, sized for 50/39/30T chainrings. A 4-arm spider design balances stiffness and weight for everyday road and city riding.

Aluminum crank arms pair with a steel axle, and the chainrings combine aluminum, composite, and steel depending on the ring, at a 158.8mm Q-factor.

Quick Facts