- SG-X chainrings feature strategically place 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
- 110 mm bolt circle diameter
- Crank arm length: 170mm
- Tooth range: 50T / 34T
- Comes complete with bottom bracket for 68 and 73 mm frames (SM-BB4600)
Whether you need some help with a product query such as sizing or have questions and comments about our services, our customer services team is here to help. You can contact us by phone, email, or live chat.
Phone: 01384 476 267
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