Shimano Sora Double 3550 Chainset - 9 Speed

Shimano Sora Double 3550 9 Speed Chainset 

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 
• 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 
• 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 
• Compatible with 9-speed drivetrains 
• 110mm bolt circle diameter
• Bottom bracket not included