SHIMANO Sora 3503 165mm Chain Set Black, 50/39/30 Teeth

2-piece design double-ring 9-speed chainset from the excellent value Sora range SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting -piece design allows the bottom bracket bearings to be spaced wider apart (outboard the frame) There is also the benefit of easier installation, adjustment and maintenance Compatible with Hyper glide (HG) chains