SHIMANO ULTEGRA 11-SPEED CHAINRING FOR FC-6800 50T (MA) Size:50T Most of them use 1-speed

Most of them use 1-speed systems and a range of chainrings (30T to 34T) is available

we now use a proportion of recycled rubber from old latex products

Hardshell casing wrapping further into the sidewall

7050-T6 aluminium construction

Lumens: 150LM (FL-1 tested)

SHIMANO ULTEGRA 11-SPEED CHAINRING FOR FC-6800 50T (MA) Size:50T Most of them use 1-speedReplacement chainring with 50 teeth, for the Ultegra FC 6800 11 speed crankset. The hollow forged chainrings provide a significant save weight and increased rigidity and guarantees optimum power transfer and further improved shifting characteristics. Specification Use: Road Group: Ultegra 11 speed Teeth: 50 (MA) Suitable for: FC 6800 Bolt Circle: 110mm Gear arms: 4 arm Gradation: Type MA (for 50 34T) Material Aluminium anodized Colour Grey Weight 114g