A2C One-Lock Bike Phone Holder Kit with iPhone Case
Description
- QUICK LOCK & RELEASE: This bike phone mount creates a one-lock quick-release system by working with the phone case. Align the phone case with the center of the bike phone holder and press to achieve a secure lock within 1 second. Press the buttons on both sides and the phone releases instantly.
- [More Stable & Anti-drop]: The 2025 latest recessed locking design ensures a more secure fit between the phone and the mount,enhances stability, prevents slipping or loosening. Whether it's a steep slope, sharp turn, speed bump, or gravel road, the elastic silicone strap can effectively absorbs vibrations, keeping your phone securely mounted on the mountain bike phone holder without falling off.
- [Best on Stems, Fits Handlebars Too]: The A2C bike phone holder fits handlebar stems 22–38mm in diameter, compatible with most city bikes, mountain bikes, e-bikes, and scooters with central stems. To mount on the handlebar, use the tighter inner loop of the dual-loop elastic strap for a secure fit.
- [2 in 1 Phone Case for iPhone 15 Pro]: The reinforced corners of the phone case can provide extra protection and enhance drop resistance. The powerful magnet is compatible with all Mag-Safe accessories, and the recessed locking design fits scooter phone holders perfectly, allowing seamless use without the need to frequently switch cases between indoor and outdoor settings.
- [Adapter Sticker Available]: Apart from the provided phone case, it also comes with a universal adapter sticker, which can help your other phone cases fit A2C phone mount perfectly. Package Content: 1 x BIKE PHONE MOUNT, 1 x PHONE CASE, 1 x Adapter Sticker, 1 x USER MANUAL, 1 x WARRANTY CARD.
From Bike to Gym — One Snap Mounting.
Built for fast lives, flexible setups, and everyday moves.
Key Features
Key Features

Integrated
Silicone-Tension
Mounting
- The entire mount is molded from high-grade liquid silicone, integrating the strap and body into one seamless unit.
Precision
Mechanical Lock
with Strap Guide
- MB03 uses a mechanical click-lock system
—no magnets involved. - The integrated liquid silicone strap wraps securely around various bars and features a guided pull-tab for quick release, even when wearing gloves.

Precision
Mechanical Lock
with Strap Guide
- MB03 uses a mechanical click-lock system
—no magnets involved. - The integrated liquid silicone strap wraps securely around various bars and features a guided pull-tab for quick release, even when wearing gloves.




DUAL BALL-JOINT
+ 360° VIEW
CONTROL
- Adjust both height and angle with independent joints.
- Supports portrait and landscape mode in real time.
- GPS, calls, camera-always the perfect view.

Click-to-Lock Mechanical Structure
- At the heart of MB03 is a precision locking system that gives instant feedback.
- A spring-loaded bead clicks into place when your phone aligns correctly — no need to check or adjust.
- Click. Lock. Done.A mechanical connection you can count on.

360° Rotation for
perfect viewing angle
Tilt It. Turn It. Own Your View.
Adjust your phone however you ride — MB03’s 360° swivel mount gives you full control on any trail.
Engineered for Grip.
Built for Impact.
A rugged case with integrated OneLock mount support—ready for any ride.

Compatible Accessories to
Meet Your Needs
Perfect Match for Android
All the add-ons you need for a seamless Android experience.
Compatible Accessories to
Meet Your Needs
Pair with our magnetic case for maximum locking strength
and peace of mind — even on the wildest roads.
What Riders Say
Rider-Approved
Performance
Most bike mounts are either too bulky, too rigid, or a pain to remove.
What I love about the A2C MB03 is how effortless it is—wrap it on, click the phone in, and you’re set.
No tools, no waiting. I’ve used it across bikes, gym bars, and even my camera rig. It’s the most versatile mount I’ve tested—and I test a lot.”
— Kevin Zhou, lifestyle gear reviewer & daily commuter

Rider-Approved Performance
Most bike mounts are either too bulky, too rigid, or a pain to remove. What I love about the A2C MB03 is how effortless it is—wrap it on, click the phone in, and you’re set. No tools, no waiting. I’ve used it across bikes, gym bars, and even my camera rig. It’s the most versatile mount I’ve tested—and I test a lot.”
— Kevin Zhou, lifestyle gear reviewer & daily commuter

Built for movement. Designed for life.
MB03 adapts to your rhythm—from your morning ride to your next stop.
Ready to move smarter?
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