Peak Design Mobile Charging Stem Mount The Peak Design Mobile Charging Stem Mount provides a secure and convenient solution for mounting mobile devices on hollow-center steering stem nuts, utilizing expansion plug and SlimLink magnetic technology for a robust connection. It ensures immediate access and optimal placement for viewing, featuring a one-button release mechanism that is glove-friendly. The mount's adjustable arm offers flexible positioning and can be detached for a more compact setup. Constructed from durable aluminum and stainless steel, this weather-resistant mount includes a vibration isolator to safeguard devices while ensuring screen responsiveness. Note that a Peak Design phone case or Universal Adapter is necessary for device compatibility. The package includes a waterproof Usb-C cable, though power source connections via Usb-A and SAE cables are available separately. Features: Machined/anodized aluminum mounting head, arm, base and expansion plugs Grippy silicone mounting pad with Tinuvin 770 UV-stabilizer PVD coated stainless steel hardware Silicone vibration dampers SlimLink magnetic locking technology is ultra secure and feels like magic Mounting arm can be rotated and locked into 24 different positions for optimal phone placement and viewing angles Road tested for thousands of miles with diverse terrains, bikes and phone models Qi2 charging version comes with a waterproof Usb-C cable that requires a Usb-C power source. Usb-A and SAE (direct-to-battery) cables sold separately Included in Box: 1x Motorcycle stem mount 2x Expansion plug wedges (install larger wedge for wider stem nuts) 1x 4mm Hex wrench 2x Cable ties 1x Usb-C Cable