Signature Open Back Arm Cups Vendor_Alex we cold forge ours from

we cold forge ours from 7075 T6 aluminum and hard anodize it for even more durability

T47 BBright for 24mm spindle Chain Shimano M8100 Front Derailleur Shimano Ultegra

160mm Rear Shock FOX Float X Performance Elite

MAX ASSISTED SPEED 28mph (Class 3)

Whether mashing or spinning

Signature Open Back Arm Cups Vendor_Alex we cold forge ours fromSignature Open Back Arm Cups: The Ultimate Aero Comfort Upgrade The TriRig Signature Open Back Arm Cups are designed for comfort and performance. Crafted from our ultra strong, lightweight ThermoPlast material, these arm cups offer superior strength and durability at our most affordable price point ever. Triathletes and time trial cyclists who use our Signature Open Back Arm Cups stay comfortable in the aero position longer due to the textured