The wheels are professionally hand built to achieve equal spoke tensions, balance and roundness to 0.2mm
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Parallel filament wound full carbon tubeless clincher wheelset. 77mm profile, rim brake.
VAR filament winding process utilises slit tape towpreg to accurately lay up the carbon fiber in an automated, computer controlled process. The use of preimpregnated carbon fiber tape allows us to use the latest resins that offer the optimal blend of high glass transition (Tg) temperature exceeding 240° C in testing , toughness and impact resistance. Var rims can therefore be used in challenging conditions where extended braking periods are expected.
The profile of the Var 77 TCC rim was developed using the world first artificial intelligence driven process to offer the best aerodynamics when used with 25-28mm tires. The external width of 30mm optimizes the airflow in combination with wider tires, while the internal width of 21mm ensures that the wider tires achieve a stable, round profile.
The Var 77 rim profile achieves excellent aerodynamics in the real world conditions where the wind comes from different directions during your ride, not in a orderly manner as seen in wind tunnels. In fact the drag of Var 77 wheels falls in presence of cross winds
Above: transient airflow simulation of the Var 77 rim showing very good airflow attachment and minimal turbulent wake creation. The surface pressure plot additionally shows that there are no sudden pressure drops that would lead to premature separation of the airflow.
The rim width also means that the rims are laterally very stiff while the filament winding process ensures that the rims remain vertically compliant due to the 45 degree fiber layup bias. The combination of these features results in very fast, safe handling wheels that can be used in any conditions.
The wheels are compatible with clincher, or tubeless tires that when used with a sealant virtually eliminate the inconvenience of having a flat tire away from home, or during a race.
Venn Rea S hubs feature a cold forged, CNC machine hub shell with a low drag 24 pawl engagement freehub rolling on Enduro bearings that feature dual lip seals to keep the water and dirt out, and grease in ensuring better performance even in bad weather.
|Front axle type||
|Rear axle type||
Machine filament wound
|Brake track width||
30mm external, 21mm internal
Venn Rea S cold forged, machined shell
2 x 699 Enduro, 3 x 6802 Enduro, 1 x 6902 Enduro
Double row, 3 pawls, 15 degrees, low drag
Heavy duty hubs, environmental sealing
24/24 Pillar PSR 1422
|Rider weight limit||