Open Back SL Carbon Arm Cups + Speed Concept Hardware Red Polymer coating

Polymer coating

(Spider Cog)

With a development concept shared with DURA-ACE and ULTEGRA

Synthetic palm with medium-density foam padding

we think they work particularly well with Alpha One

Open Back SL Carbon Arm Cups + Speed Concept Hardware Red Polymer coatingOpen 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