Sram PC-991 Hollow Pin Chain Crankbrothers versatile wearable look and protects

versatile wearable look and protects against wind and weather

Hardware upgrade to Assioma DUO always available

Greater chain retention to extend portion on the end of inner plate to firmly hold the tooth both front and cassette sprocket

The all-new DEORE XT cranks turn on an updated HOLLOWTECH II press fit (BB-MT800-PA) or threaded (MT800) bottom bracket

Sram PC-991 Hollow Pin Chain Crankbrothers versatile wearable look and protectsThe chain of choice for weight weenies. Features gram shaving hollow pins. If you're setting up an XC race machine, it's hard to do better than the 991 Hollow Pin. Includes Powerlink for easy installation Works with all 9spd drivetrains Claimed 285 grams 114 links