SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Copper - 12 Speed Do Not Ship Internationally 55 lb Lightweight Coil Spring

55 lb Lightweight Coil Spring included from factory

Media port

you can change between PSI

Schwalbe has brought out a canister which is inflatable to 160 psi (11bar)

104 x 32t uses 6mm chainring bolts

SRAM PC-XX1 Eagle Hollow Pin 12 Speed Chain - Copper - 12 Speed Do Not Ship Internationally 55 lb Lightweight Coil SpringThe 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.