Extension 38 mm (1.5 in) (ST) Horizontal Kit Supports the use of one

Supports the use of one or two devices

The maximum width allowed is 82 mm (3

25 in) when measured from the top of the rails

*Garmin eRTL615 requires the GoPro or similar option

Extension 38 mm (1.5 in) (ST) Horizontal Kit Supports the use of oneExtensions for increasing the distance from the mount to the device. FOR ORIGINAL ST KITS ONLY (NOT COMPATIBLE WITH ST CF KITS) This package includes a 38 mm (1 1 2 in) with one (1) screw kit. Made from a bioplastic composite, this extension is very light and strong. When using this with our mounts, do not use multiple extensions chained together. Compatible with ST mounts only. Always use the safety tether with any extensions. DO NOT USE extensions