Shimano

Tiagra FC-R4000 Crankset - 50/34t

Shimano Tiagra FC-R4000 Crankset - 50/34t delivers a compact road gearing range with the fit and drivetrain spacing Shimano road bikes are designed around. With a 43.5mm chainline and 150 Q-factor, it supports a natural pedaling stance and consistent front shifting setup for modern road frames, while the anodized aluminum construction keeps weight sensible without giving up the solid feel riders want under load.

• 50/34t compact chainrings - Versatile road gearing that keeps cadence manageable on climbs without giving up top-end speed for everyday riding
• 43.5mm chainline - Positions the rings where road drivetrains expect them, supporting clean chainline and predictable shifting performance
• 150 Q-factor - Balanced stance width for efficient pedaling mechanics and knee-friendly alignment on typical road setups
• Anodized aluminum crank arms - Durable finish and stiffness-focused structure for direct power transfer ride after ride
• 24mm steel crank spindle - Robust interface designed for long-term reliability under high mileage
• Anodized aluminum outer and inner chainrings - Lightweight, corrosion-resistant rings built to hold up to regular training and frequent shifting