3D-printable phone mount for motorcycle and bicycle handlebars.

V3 is the latest and most refined version of this mount. The design is lighter, more compact, easier to adjust, and more stable at higher speeds.

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The upper phone holder now uses an integrated sliding locking mechanism, so there is no longer a separate screw to remove and align every time you insert or remove the phone.

Other V3 improvements include:

• Slimmer and lighter overall construction
• More compact phone-holding frame
• Reinforced arm between the phone holder and handlebar clamp
• Slightly increased handlebar clearance to help prevent contact with the motorcycle tank
• Improved stability against wind pressure and movement during longer rides

I have currently tested V3 for approximately 50 km on a motorcycle, including speeds of up to 160 km/h, and have not noticed any issues so far.

Dimensions

Handlebar mounting hole diameter: 22.5 mm Internal phone cavity / usable space: 154 mm (H) × 76 mm (W)

Hardware required for assembly — not included in the STL

• 2 × M6 heat-set threaded inserts — M6 × D9 × L8
• 2 × M6 thumb screws — 30–40 mm long, approximately 30 mm recommended

Please note that personal testing is not a guarantee of safety or long-term durability. Print quality, material, installation, vibration, temperature, UV exposure, and wear can all affect the strength of the mount. Inspect it regularly, tighten it securely before every ride, and use it at your own risk.

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