SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Gold - 12 Speed PLP|Model Year 1x Sealed end cap with

1x Sealed end cap with rubber grommet

Double sealed cartridge bearing

an oversized 3

Stainless steel pivoting hardware on X01 and Titanium on XX1

The B Series from Crank Brothers are a bit-based tool system with a magnetised socket driver that fits easily into a jersey pocket pockets or hydration pack bag

SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Gold - 12 Speed PLP|Model Year 1x Sealed end cap withThe engineers at SRAM have put a huge amount of fanatical detail into every aspect of the XX1 Eagle chain to make to provide you with the ultimate combination of consistent performance, uncompromising strength, ultra light weight, and silky smooth, whisper quiet operation. These chains don't just look super fancy but they are loaded with features that make them the quietest, strongest, and most wear resistant chain you're likely to find anywhere.