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

This Shimano 105 FC-5800 inner chainring with 39 teeth is for riders looking to replace a chainring or change the gearing on their 11-speed road crankset. It pairs with the outer chainring with 53 teeth.

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

Technical specifications

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

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.