Joyroom JR-ZS288 Bike Phone Holder — 4.7–7 in, 360°

Keep your phone visible on everyday rides

The Joyroom JR-ZS288 secures a compatible smartphone in a four-corner cradle for navigation or ride tracking. The rotating joint supports portrait or landscape viewing, while padded contact points help separate the phone from the rigid holder.

The handlebar clamp is stated for compatible bicycle handlebars up to 28 mm in diameter. Confirm the phone dimensions, case thickness and handlebar fit before installation.

Key features

• Compatible phone sizes from 4.7 to 7 inches as stated.
• Four-corner locking cradle holds the phone at the corners.
• 360° viewing adjustment for portrait or landscape positioning.
• Silicone contact pads help cushion the phone inside the holder.
• Handlebar clamp for compatible bicycle bars up to 28 mm as stated.
• No magnetic plate or adhesive required according to the current product description.

Safety and fit notes

• Install the clamp firmly and test the holder before every ride.
• Check the phone’s actual width, height, thickness and case clearance, not only the screen diagonal.
• Do not adjust the phone while moving.
• Do not use the holder if the clamp is loose, the cradle does not close securely or the phone is too heavy for the confirmed load capacity.
• This listing identifies the model for bicycles. Do not advertise motorcycle suitability without supplier approval and vibration testing.

Specifications

• Brand and model: Joyroom JR-ZS288
• Product type: Bicycle phone holder
• Phone size: 4.7–7 inches stated
• Handlebar diameter: Up to 28 mm stated
• Material: PC, ABS and silicone stated
• Dimensions: 134.7 × 105.5 × 54 mm stated
• Listed weight: 223 g
• Colour: Black with red detail
• Power: No charging function stated
• Variant: Black and Red; ships from China Mainland listed

FAQ

What phones fit?
The listing states 4.7–7-inch phones. Confirm the phone’s actual dimensions and case thickness before purchase.

Will it fit my bicycle handlebar?
It is stated to fit handlebars up to 28 mm in diameter. Measure the bar and check clearance before ordering.

Does it rotate?
Yes. The joint is described with 360° adjustment for portrait and landscape viewing.

Does it need a magnetic plate?
No magnetic plate or adhesive is stated as required.

Can I use it on a motorcycle?
Motorcycle use is not confirmed. The product should be treated as a bicycle holder unless the supplier provides approval and vibration testing.

Is it safe on rough terrain?
Check the clamp and cradle before every ride. Rough-terrain suitability and maximum load should not be assumed without testing.

Use cases

• Following navigation on an everyday bicycle ride.
• Tracking a route or cycling workout.
• Viewing ride information in portrait or landscape.
• Keeping a compatible phone visible without adhesive or a magnetic plate.