ZIPP 858 NSW Carbon Tubeless Center Lock Disc Wheelset – 2023 Model

The Zipp 858 NSW Carbon Tubeless Center Lock Disc Wheelset for fast aero performance
The 858 NSW Disc wheelset from Zipp for time trial and triathlon use has a hookless tubeless rim made of carbon that is up to 85 mm high and 23 mm wide. It weighs over 250 grams less than the previous model and makes you faster than ever thanks to TSE™ technology. The SawTooth™ ABLC HexFin™ pattern on the rim surface ensures top aerodynamics with the greatest possible crosswind stability. The high-performance Cognition V2 hub set includes the freehub body with Axial Clutch V2 technology, which impresses with fast frictional locking and low friction. The 858 NSW wheels are designed for tyres from 25 mm width and are best ridden without an inner tube, although it is also possible to mount tubeless-ready tyres with an inner tube.
Specifications:Application:Road, Triathlon & Time TrialWheel Size:28″Tyre Type:clincher tyreNumber of Spokes:20Brake Type:Center Lock DiscTubeless System:Tubeless ReadyTechnical Information – Rim:Type:Zipp NSWRim Flange:hooklessDimensions (ETRTO):23-622Inner Width:23 mmOuter Width:27 mmDepth:82 mm/85 mm (depending on section)Valve Hole Diameter:SV/Presta (6.5 mm)Rim Material:carbon (UD)Technical Information – Front Hub:Type:Zipp Cognition V2 DiscOver Locknut Dimension:12 x 100 mm thru-axleBearings:cartridge (stainless steel)Body Material:aluminiumTechnical Information – Rear Hub:Type:Zipp Cognition V2 DiscOver Locknut Dimension:12 x 142 mm thru-axleBearings:cartridge (stainless steel)Body Material:aluminiumFreehub Body Material:aluminiumFreehub Body:Axial Clutch V2 (54 engagement points)Technical Information – Lacing:Front Lacing Pattern:radial (right), double crossed (left)Rear Lacing Pattern:2-crossSpoke Type:Sapim CX-RaySpoke Size:232 mm/218 mm (front l/r), 230 mm/234 mm (rear l/r)Spoke Material:stainless steelNipple Type:Sapim Secure-LocNipple Material:aluminiumApproved For:Weight Limit:115 kg total weightAir Pressure (max.):5 barsRecommended Tyre Width:28 mm (min. 25 mm)Tyre Type:Only approved for tubeless and tubeless-ready tyres. Please make sure that the tyre manufacturer’s approval is given for hookless rims.Features:Zipp’s most advanced and fastest wheel with wavy rim height for road cycling, triathlon and time trialsmore than 280 grams lighter than the previous modeloptimised tyre bed for easy tyre fittingTSE design for more efficiency and reduced rolling resistanceSawTooth rim and ABLC HexFin pattern for highest aero performance and crosswind stabilityhubs run smoothly when pedalling and at idle speedaluminium hub axlessymmetrical rim treadcarbon finish with decals applied by direct printing technologyfront can be optionally converted to 9 x 100 mm quick release or 15 x 100 mm thru-axle (end caps available separately)Technology:NSW
NSW stands for ” Nest Speed Weaponry.” ‘The Nest’ is the nickname the Zipp engineers have given to the windowless high-security research laboratory in a corner of the Zipp factory. This site, or the ground-breaking ideas and designs that emerged from it, became the namesake for an entire series of wheels. The Zipp NSW series is a science, philosophy and mission to develop the fastest, most stable and highest performing wheel components of all times.

ImPress™
ImPress graphics not only provide valuable weight savings, but also allow for a unique and permanent application of Zipp’s signature branding.

SawTooth™ ABLC HexFin™
This patented rim shape achieves what conventional aero wheels cannot: it simultaneously reduces aerodynamic drag and lateral wind forces, providing the ultimate AeroBalance™. SawTooth makes this possible through a series of hump-shaped Hyperfoil points along the inner diameter of the rim. Together with the ABLC HexFin recesses (hexagonal dimples) these provide improved airflow. The result is the most powerful Zipp wheelset of all times with lower aerodynamic drag and reduced lateral wind forces at any angle of attack. This is important because the steeper the wind angle, the larger the influence on the handling of the bike.

Axial Clutch V2
Every time you go into neutral, the pawl mechanism of the freehub on conventional hubs acts like a drum brake, costing you speed. The resistance between the hub shell and the freehub body during freewheeling leads to a loss of efficiency, especially on road bikes. As a solution to this, Zipp has developed the Cognition rear hub with Axial Clutch technology, which reduces drag by disengaging the gear mechanism when idling. The Axial Clutch Wave Spring, on the other hand, quickly and securely re-engages it as soon as the rider starts pedalling again. In the V2 version, this technology also results in even faster response, even less friction and improved durability.
Colour Info:black:
Rims: black (carbon) with standard decalsHubs: blackSpokes: blackNipples: blackModels:28″ set (front 12×100 + rear 12×142) Shimano:
Freehub:Shimano RoadGearing:8-/9-/10-/11-/12-speedNo