WTB Asym i29 TCS Rim (32 Hole), 27.5" Asym rims use an asymmetrical design to create a rim that evenly distributes tension, doesn&amp;rsquo;t require dishing, and makes for a faster wheel assembly. Cross-Country / Trail / Enduro / Bikepacking TCS tubeless compatible. 29mm internal rim profile 27.5&quot; 29mm internal rim profile