Zipp 858 NSW Tubeless Disc Front Wheel

Push your boundaries with the Zipp 858 NSW Tubeless Disc Front Wheel, engineered for triathlon, time trials, and elite road racing. Merging elite-level aerodynamics with tubeless simplicity, it delivers unrivaled speed and control.

Built with Zipp’s Total System Efficiency (TSE) design and their signature Sawtooth™ rim profile, the 858 NSW achieves aero performance typically found in shallower rims—with the weight you'd expect from 20 mm less depth. The hookless, tubeless-compatible carbon rim ensures a clean tire interface and lower overall weight.

Zipp 858 NSW Tubeless Disc Front Wheel – Specs at a Glance

• Wheel size: 700c (622 ISO)
• Rim construction: Carbon, hookless, tubeless-only, with a depth of 82–85 mm
• Internal rim width: 23 mm
• Optimized tire size: 28 mm (minimum recommended), ideal for 28–30 mm
• Brake interface: Centerlock disc, lockring included
• Hubset: ZR1 SL with ceramic bearings and 66-point engagement (or Cognition V2 with Axial Clutch V2 in some configurations)
• Axle options: 12×100 mm front thru-axle
• Weight: Approximately 716 g (front wheel only); full wheelset ~1530 g
• Warranty: Lifetime

Design Benefits

1. High-performance aerodynamics: Sawtooth™ rim paired with Hyperfoil™ nodes and HexFin ABLC™ dimples for superior airflow and crosswind stability.
2. Weight efficiency: Deep rim design with TSE delivers speed without the typical weight penalty.
3. Consistent ride quality: Wide 23 mm hookless rim supports lower tire pressure and wider tires—improving rolling resistance and comfort.
4. Ultra-smooth hubs: ZR1 SL hub (ceramic) or Cognition V2 with Axial Clutch offers rapid engagement and reduced drag.

Final Take

The Zipp 858 NSW Tubeless Disc Front Wheel is the pinnacle of aero engineering and functional design. Perfect for triathletes, time trialists, and discerning racers, it offers unmatched efficiency, stability, and speed—rigorously optimized for race-day performance and lightweight advantage.