Open Back Carbon Arm Cups Vendor_GENERAL MERCHANDISE and 12 speed - Narrow

and 12 speed - Narrow Wide tooth profiling ensures consistent chain retention - Lockring installed/removed with ISIS BB tool - Stiff 4mm plate thickness to transfer loads without flexing

Max Assisted Speed 20 mph (Class 1)

Pass-through charging

5cm and steepens the head and seat angles by

1-1/8" - 1-1/4"

Open Back Carbon Arm Cups Vendor_GENERAL MERCHANDISE and 12 speed - NarrowThe TriRig Open Back Carbon Arm Cups are designed to take your aero comfort to the next level. Building on the success of our Mini Open Back Arm Cups, these carbon versions elevate every aspect of performance and comfort. With a total length of over 200mm, the Open Back Carbon Arm Cups provide support and stability for riders seeking the perfect balance of aerodynamics and comfort. Featuring the same textured neoprene pad that has been so popular with