Lightweight aluminum upper arm shaft by R31house, engineered with GRK4/5 specifications for enhanced performance and durability

Description

R31House (#R31S063) Alum. GRK4/5 Lightweight Upper Arm Shaft

Feature:

• For: R31House GRK4/5
• D-cut type hard anodized aluminum upper shaft for GRK4/GRK5 upper arm.
• Significant weight reduction compared to standard steel upper shaft.
• The total shaft length (including the screw part) is used for the GRK5 front upper arm.

Specification:

• Length: 34.5mm
• Material: Aluminum

What is included:

• R31House (#R31S063) Alum. GRK4/5 Lightweight Upper Arm Shaft (2 pcs)

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