Zipp 454 NSW Rear Wheel - 700 12 x 142mm Center-Lock HG11 Tubeless Carbon B1

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Zipp 454 NSW Rear Wheel - 700 12 x 142mm Center-Lock HG11 Tubeless Carbon B1. 454 NSW Tubeless Disc-brake wheels are the ultimate choice for road racing delivering everything the performance cyclist demands. The design fuses two of Zipp’s most advanced approaches; the Sawtooth rim profile and TSE for an all-encompassing approach to performance. At the center of the 454 NSW is the Cognition V2 Hubset re-engineered with an updated Axial Clutch V2 mechanism for quicker engagement and lower friction as well as improved durability.Tubeless and hookless rim profile optimized tire bed for easy tire installation 58-mm deep rim shape provides speed on every terrain with best-in-class aerodynamic efficiency and crosswind stability 23mm internal width maximizes performance when used with 28mm tires Total System Efficiency (TSE) for greater efficiency and reduced rolling re