SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Gold - 12 Speed PLP|Model Year The B Series from Crank

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

Stainless steel pivoting hardware on X01 and Titanium on XX1

Lite Drive 700XL

Note: Orient the head of the bolt to the inside to provide clearance for the chain (bolts will go in backwards)

SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Gold - 12 Speed PLP|Model Year The B Series from CrankThe 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.