Shimano 105 FC-5800 Chainring 2x11-speed 39 Teeth

This 39-tooth Shimano 105 FC-5800 inner chainring is for anyone who wants to replace or change the gearing on an 11-speed road crankset. It pairs with the 53-tooth outer chainring.

• Easy gearing for climbs and long rides: 39 teeth, to be paired with the 53-tooth chainring
• Fits the Shimano 105 FC-5800 and Ultegra FC-6800 cranksets
• Designed for 11-speed road drivetrains
• Lightweight and durable, made of aluminium with 4 asymmetrical arms
• Check that your crankset has a 110 mm bolt circle diameter and is an FC-5800 or FC-6800

Technical specifications

• Teeth: 39
• Speeds: 11-speed
• Material: Aluminium
• Bolt circle diameter (BCD): 110 mm
• Arms: 4, asymmetrical
• Position: Inner
• Recommended combination: 39-53 teeth
• Compatibility: FC-5800 crankset (Shimano 105 5800 11-speed), Ultegra FC-6800
• Manufacturer part number (MPN): Y1PH39000
• Colour: Black