Shimano Ultegra CN-6600 10-Speed Chain - Hyperglide 10-Speed chain - Ultegra 6600 and 105 5600 chains are recommended for use in conjunction with Ultegra 6703 and 105 5703 triple - Optimized chain for HG sprocket which provides a fast and precise rear shifting performance (especially during downshifts) - Chromized rivet pins improve wear resistance - Zinc-alloy plated outer link surface treatment - Chain Connection Type: Pressed Pin - Color: Silver/Gray - Defined Color: Silver - Drivetrain Speeds: 10 - Half Link Chain: No - Links (links): 116 - Weight: 280 grams - Width: 6.1mm

Super Narrow SIL-TEC HG-X11 Chain (11-speed) FEATURE - Rear drive Smooth driving without noise - Front drive Preserve chain security at cross chainline - Front & Rear Shift Smooth and reliable shifting BENEFIT - HG-X11 special asymmetric plate design for 11-speed - Weight: 247g (114Link) - SIL-TEC on Plate/Roller - Hollow pin - Weight: 247g (114Link)

The Shimano CN-M9100 features an extended inner link plate that connects seamlessly with chainring teeth for highly efficient drivetrain performance. Its design offers a reduction in natural vibrations normally caused by the inner and outer chain plates rolling onto the chainring. It provides better chain engagement, stronger retention, and smoother pedaling. - Enhancements to shifting performance - Easy connect - Non-reusable - Smoother driving even over bumpy terrain - Compatible with Shimano Quick Link SM-CN910-12 - This chain meets durability requirements for E-MTB applications

- 9-speed compatible - XT/Ultegra - 116 links

Shimano CN-HG71 6/7/8-Speed Chains - 8-speed MTB chain meets durability requirements for e-bike use - Designed for precise Hyperdrive SIS and Dual SIS Index shifting - Includes chain and chain connection pin, or quick link - Links: 116