Signature Closed Back Arm Cups Vendor_TriRig KMC's Double X durability

KMC's Double X durability

Hub/Disc Compatibility: Center-Lock Disc

it effectively blocks the wind and prevents a soaking on wet trails

Where it thrives: Your city

Signature Closed Back Arm Cups Vendor_TriRig KMC's Double X durabilityThe TriRig Signature Closed Back Arm Cups are a breakthrough in aero comfort. Built from our ultra light, durable ThermoPlast material, these arm cups offer the perfect blend of strength, lightweight performance, and affordability, making them one of the most competitively priced upgrades for serious triathletes and time trial cyclists. The Closed Back Scoops not only function like standard arm cups, but they also provide additional support at the