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Description:
Genuine Shimano replacement part
SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting
2-piece design allows the bottom bracket bearings to be spaced wider apart (outboard the frame) or press fit 86.5mm enabling the use of larger bearings and an increased axle diameter
There is also the benefit of easier installation, adjustment and maintenance
Compatible with Hyperglide (HG) chains
Aluminium crank arms
Aluminium outer chainring with hard-wearing steel inner chainring
