The CC-4 does not have this feature

Made in conjunction with mountain bike legend Hans Rey

5- to 12-speed compatible chain tool (for emergency repairs)

Pros: Class-leading performance and slow wearing

Pattern: Human Factor

KMC e10 10 Speed eBike Chain - Silver - 122 Links - 10 Speed Envelope Shipping The CC-4 does not haveThe KMC e10 10 Speed eBike Chain features the same high performance shifting and quiet pedaling as other KMC chains but with extra durability to withstand the high tensile forces of an eBike. With reinforced pins and X bridge durability it is able to withstand up to a huge 450kg of force. It is also non directional and comes with a KMC Missing link for easy installation. Who's this item for: Perfect for eBike riders or even non eBike riders wanting a