SHIMANO FC-9000 Dura Ace Double 11 Speed Bicycle Chainrings

Upgrade your Dura‑Ace FC‑R9100 crankset with a lightweight, high‑rigidity chainring engineered for elite‑level shifting performance.

Best for

• Road cyclists running a 34/50T compact setup
• Riders seeking the fastest, most precise front shifting
• Those maintaining or upgrading an 11‑speed Dura‑Ace drivetrain

Not ideal for

• Cranksets with 52/36T or 53/39T configurations
• Non‑Shimano 110 mm BCD crank arms

What this product does

This chainring replaces the 34T inner ring on a Shimano Dura‑Ace FC‑R9100 crankset, delivering improved stiffness, reduced weight, and exceptionally smooth front shifting thanks to Shimano’s Hollowglide technology.

Compatibility

• Shimano Dura‑Ace FC‑R9100 (11‑speed)
• Compact 34/50T chainring configurations
• 110 mm BCD, 4‑bolt Shimano asymmetric pattern

Benefits

• Hollowglide construction reduces weight while increasing stiffness
• Faster, more precise front shifting under load
• Optimized tooth profiling for 11‑speed drivetrains
• Lightweight 4‑bolt design enhances power transfer

Technical specs

• Teeth: 34T
• Speed: 11‑Speed
• BCD: 110 mm
• Bolt Pattern: 4‑Bolt (Shimano asymmetric)
• Material: Aluminum
• Color: Silver/Black (Dura‑Ace finish)