SRAM Red E1 Flattop 12-Speed Chain 126 Links Rainbow reserve AXS connectivity and advanced chain

AXS connectivity and advanced chain management mean this derailleur does exactly what you want when you need it

and Ground Control tires

whether the obstacle you’re hitting is a pothole or a root

Body-mapping laser perforated areas on front & back for breathability

Lightweight and durable hollow Ti rails

SRAM Red E1 Flattop 12-Speed Chain 126 Links Rainbow reserve AXS connectivity and advanced chainWe took the lightest and most durable chain weve ever made and made it lighter. With no compromises. Our HollowPin construction is lighter and stronger than a solid pin, and cutouts in the outer and inner plates drop 13 g from the previous generation. This results in a lighter, faster, stronger and more durable chain. Features Flattop technology enables a narrower chain with quieter operation and increased strength and durability Hard Chrome plated