ALPINESTARS Stella Banshee Short Pants - Black - 2XL 3339421-10-2X Piston Ring Set A four-inch diameter

A four-inch diameter

Precision machined from billet aluminum and hard anodized

Kit Includes all necessary parts to rebuild the air cut-off valve circuit

The inter core tube is made of stainless that slips over the entrance and into the exit cap that is a stamped Titanium

Constructed from 5052 aircraft grade aluminum

ALPINESTARS Stella Banshee Short Pants - Black - 2XL 3339421-10-2X Piston Ring Set A four-inch diameterStretch fabric shell construction Stretch accordion panels on knee area to increase comfort in riding position Reflective prints on inner side of lower edge Full aramidic fiber lining Replaceable foam hip pad inserts for comfort; sold separately