The 858 NSW’s undulating 82mm-85mm deep rim shape is Zipp's highest performing design for aero efficiency and crosswind stability. A tubeless and hookless rim profile provides a seamless tire interface and minimized weight. The 23mm internal width is ideal for running wider tires with lower pressures for decreased rolling resistance.
- Fastest with a 28mm tire
- ZR1 SL hubset with ceramic bearings and 66 points of engagement
- Lifetime Warranty
- SRAM Model ID: WH-858-NTLD-D1
