Double and triple chainsets are available in the Sora model used mainly for road race.
These feature: 2-piece design. 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) enabling the use of larger bearings and an increased axle diameter. Compatible with Hyperglide (HG) chains. Aluminium crank arms. Aluminium outer chainring with hard-wearing steel inner and middle chainring. Compatible with 9-speed drivetrains.
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