Ultimate Carbon Extension meta-size-chart-extension-comparison Available in 2 heights (70mm

Available in 2 heights (70mm & 120mm)

The 51 Speedshop 15 deg Arm Cup Wedge System includes

The computer will therefore fit in narrow gaps between extensions

Anatomic shape to securely cradle the arm

Unique extension shaping hugs the arm to optimize aerodynamic performance

Ultimate Carbon Extension meta-size-chart-extension-comparison Available in 2 heights (70mm3D shape with 15mm offset grip provides comfort across rotational configurations. Designed for high hand positions to optimize aerodynamic performance. 30 deg grip angle provides a neutral wrist orientation, promoting upper body comfort. Unidirectional carbon fiber construction creates an ideal strength to weight ratio. Matte black paint for a subtle aesthetic Trimmable termination height allows for custom tailoring to deliver the perfect fit.