Open Back SL Carbon Arm Cups C02 Replacement freehub for Zipp ZR1

Replacement freehub for Zipp ZR1 Hubs

Advanced shifting performance provides the confidence to enjoy any trail

while simultaneously reducing the size of the ventilation holes for improved aerodynamics

made with recycled polyester

conversion plates

Open Back SL Carbon Arm Cups C02 Replacement freehub for Zipp ZR1Open Back SL Carbon Arm Cups: Lightweight Design for Maximum Performance The TriRig Open Back SL Carbon Arm Cups are engineered for athletes who demand the perfect balance of lightweight performance and comfort. Part of our SL line, these arm cups offer a customized fit, with a slim, low profile design that provides direct support with less movement, allowing you to focus on your ride. Weighing in at just 275 grams per set, these carbon fiber scoops