SHIMANO ULTEGRA 11-SPEED CHAINRING FOR FC-6800 50T (MA) Size:50T The SpeedShield GRX 45 is

The SpeedShield GRX 45 is a sturdy

Compact and lightweight: 40% smaller than the Standard Charger with a weight of < 600 g

7050-T6 aluminium construction

maximizes power transfer and efficiency

Two-wall crossbar with double locking mechanism

SHIMANO ULTEGRA 11-SPEED CHAINRING FOR FC-6800 50T (MA) Size:50T The SpeedShield GRX 45 isReplacement 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