Shimano Ultegra FC-6800 11-speed chainrings. For bolt circle 110mm 4-arms spider.

Technologies

Hollowglide - The chainrings are hollow to save weight and drastically improve stiffness and aerodynamics. They ensure optimum power transfer and improved shifting performance.

Note: These are chainrings from different types (MA, MB, MD). For optimal shifting performance only use chainrings from the same type. So it is recommended to combine MA with MA, MB with MB and MD with MD.

Specifications

Material Aluminium Anodised
Weight approx. 114 gram (50 T)
approx. 34 gram (34 T)
approx. 40 gram (39 T)
approx. 88 gram (46 T)
approx. 121 gram (52 T)
approx. 121 gram (53 T)
Chainwheel, number of teeth 34 | 36 | 39 | 46 | 50 | 52 | 53
Fitting for Derailleur 2/3-11-speed
Bolt Circle in mm 110 mm
Colour Black / Grey

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