Arm Cup Geometry
Universal bolt pattern works across most two-bolt mounting systems.
Anatomic shape to securely cradle the arm.
Carbon reinforced nylon cup construction.
Includes: M6, M5, M4 stainless steel bolt kit.
Proprietary two-part foam injection pad design.
Large surface area to disperse pressure.
10mm pad thickness.
Radiused to match perfectly to 51 arm cup.
Works with most two-bolt mounting platforms. Compatible brands include, but are not limited to…
* Premier Tactical and Zipp products require a longer M5 bolt than provided.
* Zipp 20mm button head screw. Premier Tactical – varies depending on spacer height used.
* Giant Trinity bicycles require a shorter bolt than provided. 10mm button head screw.