US$ 23.45
attaching arc rails to bike helmet TAC-SKY Tactical Airsoft Sports Adapter Rail Mount Accessory Compatible with RAC Headsets and Helmets with ARC tan and the stand length Themomladies on LTK Outdoors Sport Model Family:Trek Supercaliber
Themomladies on LTK
Actual capacity depends on frame size, propellers, antennas and mounting position
Outdoors Sport
Model Family:Trek Supercaliber
Daylite™ compatible
and the stand length is adjustable