- Super Narrow Hyperglide (HG) series 10-speed compatible directional chain, recommended for Tiagra drivetrains
- Chain uses a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassette
- Outer plate design has been developed to reduce the chance of chain suck
- The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedalling, increased rigidity, and near silent running
- For use with double chainset only
- 5.88 mm chain width, optimised for 10-speed Super Narrow HG drivetrains
- Corrosion-resistant grey finish on outer plates
- 116 links, 277 grams