Chainring Shimano Dura Ace FC-9000 38T 11S

The Shimano Dura-Ace FC-9000 38-tooth 4-bolt 11-speed chainring with a 110mm BCD (Bolt Circle Diameter) is specifically designated as the ME-type inner chainring.

Key Specifications & Compatibility

• Position: Inner chainring 

• Teeth: 38T (ME-type) 

• Pairing: Designed exclusively to be paired with a large outer chainring

• BCD & Bolds: 110mm BCD, 4-arm asymmetric design matching the Shimano FC-9000 crankset (also compatible physically with Ultegra 6800 / 105 5800 spiders, though matched as a Dura-Ace component set). 

• Speed: 11-speed road drivetrain compatible.