The 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 Stan s easy inflation and the most reliable airtight seal to wider, offset carbon rims Asymmetric rim shape with offset drilling improves bracing angle and balances spoke tension to create a stronger overall wheelCustom carbon layup equalizes impact forces on both the long and short sides of the rim, making both strongerLow-profile sidewalls and RiACT rim design creates a lighter rim that absorbs impacts for less rolling resistance and superior ride quality Sapim Force Black 2.0/1.7/1.8 spokes with Secure Lock aluminum nipples WideRight rim design optimized for 2.35 - 2.80 tiresItem SpecificationsColorGrayDefined ColorGrayFront Axle15mm Thru x 110mmHub/Brake Compatibility6-Bolt DiscISO Diameter622 / Road / 29"ValvePrestaWheel Size29" Stan's No Tubes Flow CB7 Front Wheel Front Wheel UPC: 847746061960