Stan's Flow CB7 Rear Wheel - 27.5", 12 x 148mm, 6-Bolt, XDR, GrayThe Flow CB7 brings Stan's patented BST tubeless system to wider carbon rims to create a new classic, and one of the best all around trail rims you can buy. The details all add up to a light, strong wheelset that's easier to own and performs better on the trail. The Flow CB7 brings Stan's legendary tubeless performance and great quality to a wider and stronger asymmetric carbon rim. Designed for trail riding Asymmetric Bead Socket Technology brings