6 anti rotation holes

The Primo Balance Cassette Hub is a classic Primo style that's high performance and equipped with Primo nylon hubguards keeping your hu protected from grinds

Taking the stack and rise of Shadow's Ravager Stem as their starting point they both decided to make a few changes

SaltPlus Pro hub guards are made from a durable nylon/fiberglass material that pushes onto the cone of most Salt/SaltPlus front hubs

BSD Barrier Sprocket Guard Size:25t 6 anti rotation holesIf your Barrier Sprocket Guard is coming to the end of its life grab yourself this replacement and keep your chain protected. Built from super tough nylon that's durable and the Barrier Replacement Guard also comes with 4 bolts too. ###section### Product Specs TYPE: Bolt On MATERIAL: Nylon WEIGHT: 100g (3. 52oz)