SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Rainbow - 12 Speed YGroup_7033415696429 This is a direct replacement

This is a direct replacement for any BB86 or BB92 Bottom Bracket

and with a SM-CN910-12 quick-link included

while still leaving room for knee pads

the same proven rim profile as the EN305

The XC8 uses hollow steel spindles and steel bearing to keep them spinning freely

SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Rainbow - 12 Speed YGroup_7033415696429 This is a direct replacementThe 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.