Stans No Tubes, Baron CB7, Rim, 29'', Holes: 32, BlackAsymmetric Bead Socket Technology brings Stans legendary easy inflation and the most reliable airtight seal to wider, offset carbon rimsCustom carbon layup equalizes impact forces on both the long and short sides of the rim, making both strongerAsymmetric rim shape with offset drilling improves bracing angle and balances spoke tension to create a stronger overall wheel250lb Recommended Maximum Rider Weight