Open Back Carbon Arm Cups + Wingspan Speed Concept Other For Shimano DYNA-SYS 10-speed MTB

For Shimano DYNA-SYS 10-speed MTB transmission

Super-light outer plates with cut-out design

long-lasting application of power to the drivetrain

Bicycle pedals are frequently removed for storage

SIDI HEEL COUNTER:

Open Back Carbon Arm Cups + Wingspan Speed Concept Other For Shimano DYNA-SYS 10-speed MTBOpen Back Carbon Arm Cups: Maximum Comfort and Performance The 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