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HKM-3132371 Aluminum Bike Phone Mount with Adjustable Handlebar Clamp Rotating Joint and Anti-Slip Grip Panel for Mountain Bikes
HKM-3132371
Aluminum Clamp, Swivel Head
The HKM-3132371 is a phone holder for a bike handlebar, cut from aluminum alloy with a textured top panel. A clamp ring closes around the bar and tightens with a bolt, while the phone sits between two padded jaws that close on a threaded shaft with a knurled thumb knob. A joint under the cradle turns the phone without tools, so the screen can be set flat or tilted against glare. The holder comes in red, gray and black.
Key Features
Six details that shape how the HKM-3132371 is built and how it grips.
Cut From Aluminum
The body is machined from aluminum alloy rather than moulded plastic, so the cradle, the ring and the joint are all metal. The top panel carries a fine textured pattern that holds a phone case against the face without a rubber pad.
A Swivel Under the Cradle
A joint sits between the clamp ring and the cradle, so the phone can be turned and tilted without taking the holder off the bar. The joint is set by hand, which means the angle can be changed at a stop rather than in the workshop.
One Knurled Thumb Knob
The two phone jaws close on a threaded shaft and lock with a single knurled thumb knob. The knob is wide enough to turn between finger and thumb, so the phone goes in and comes out without a tool and without unwinding the clamp ring.
Padded Grip Jaws
The jaws that hold the phone are lined with a soft pad, so the frame and the buttons do not sit against bare metal. The jaws close along the width of the phone, which keeps the handset centered over the bar.
A Bolt-On Bar Clamp
A split ring closes around the handlebar and pulls down with a bolt, so the holder stays put over rough ground. The ring fits round bar tube rather than a shaped stem, which suits most mountain and road handlebars.
Three Finishes
The holder comes in red, gray and black, and the finish is applied over the metal rather than moulded through it. Each version carries the same jaws, joint and clamp ring, so only the color changes.
Overview
An aluminum bar clamp, a swivel joint and a pair of padded jaws.
The HKM-3132371 is a phone holder for a bike handlebar, cut from aluminum alloy with a textured panel on the top face. A split ring closes around the bar and pulls down with a bolt, which holds the mount against vibration over rough ground. The phone sits between two jaws on a threaded shaft, and a knurled thumb knob sets the width of the grip. A joint under the cradle turns the phone by hand, so the screen can lie flat for a map or tilt away from glare. The jaws are lined with a soft pad to keep the handset off bare metal, and the holder comes in red, gray and black.
Metal Grip, Hand-Set Angle
A machined cradle that locks by hand and turns without tools.
The cradle, the ring and the joint are all machined from aluminum alloy, and a single knurled knob locks the phone between two padded jaws. The joint below turns the screen by hand, so the angle changes at a stop rather than in the workshop.
Full Specifications
What the cradle, the clamp and the joint are made of.
Clamp, Joint And Jaws
How the ring, the swivel and the thumb knob work together.
The HKM-3132371 is a fully mechanical phone holder with no battery, no spring and nothing to charge. A split ring closes around the handlebar tube and pulls down with a bolt, so the mount grips the bar rather than sitting on a bracket. Above the ring, a hand-set joint turns the cradle, which lets the screen be laid flat for a map or tilted away from glare. The phone is held between two jaws on a threaded shaft, and a knurled thumb knob sets the width and locks it. The jaws are lined with a soft pad so the handset does not sit against bare metal.
What’s in the Box
Everything needed to fit the mount to the bar.
1 x Phone Cradle
The aluminum cradle with the padded jaws
1 x Handlebar Clamp Ring
The split ring that closes around the bar
1 x Clamp Bolt
The bolt that pulls the ring down
1 x Thumb Knob
The knurled knob that sets the jaw width
1 x Fitting Guide
Bar and phone fitting guidance
1 x Warranty Card
Coverage details for the HKM-3132371
Why Choose the HKM-3132371
Six further reasons riders keep the HKM-3132371 on the bar.
Metal, Not Plastic
The cradle, the ring and the joint are machined aluminum rather than moulded plastic, so a knock on a trail does not crack the part that holds the phone. The metal also lets the jaws close firmly without flexing.
Angle Set by Hand
Because the joint turns by hand and the knob locks without a tool, the screen can be moved from flat to upright at a traffic light. There is no need to carry a key or to loosen the bar clamp.
Holds Through Rough Ground
The ring wraps the bar and pulls down with a bolt, so the mount grips rather than clamps onto an edge. That keeps the phone steady over roots, gravel and broken tarmac.
Fits the Phone You Have
The jaws run on a threaded shaft, so the grip adjusts across a wide range of handset widths. A slim phone and a larger handset both sit between the same pair of padded jaws.
Fits Round Bars
The split ring closes around round handlebar tube, which is what most mountain and road bikes use. The ring pulls up tight in steps, so the same mount suits a thinner bar or a thicker one.
Three Finishes
Red, gray and black versions carry the same cradle, jaws and joint, so the choice is only about how the mount looks against the bike. The finish sits over the metal rather than moulded through it.
Frequently Asked Questions
Quick answers about the HKM-3132371 bike phone mount.
Will it fit my handlebar?
The mount uses a split ring that closes around round handlebar tube and pulls down with a bolt, so it suits the round bars used on most mountain, hybrid and road bikes. It is not made for a shaped or aero stem, which has a flattened profile rather than a circle. Measure the bar where you want the mount and check that the ring can close fully around it before you tighten the bolt, because a ring left open cannot grip the bar properly.
Does it hold the phone case?
Yes. The phone sits between two jaws that close on a threaded shaft, and the jaws are lined with a soft pad, so a cased phone is held by the pad rather than against bare metal. Close the knurled knob until the jaws touch the case on both sides, and check that the grip sits below the power and volume buttons. A very thick wallet case may need the jaws opened further, which the threaded shaft allows.
Can I change the angle while riding?
The joint under the cradle is set by hand, so the safest moment to move it is at a stop rather than on the move. Turn the cradle to the angle you want, check that the screen faces you, and leave the joint where it is for the ride. Because the joint holds by friction rather than by a bolt, it stays where it is put until you turn it again, which is why it is worth setting before you set off.
Will it hold on rough ground?
The ring wraps right around the bar and pulls down with a bolt, so the mount grips the tube instead of clamping onto an edge. That is what keeps the phone steady over gravel, roots and broken tarmac. Tighten the bolt until the mount cannot be twisted by hand, then set the phone and the thumb knob. If the mount still turns, the ring is not closed fully around the bar.
Does it need any tools?
The mount needs one tool for the clamp bolt when it is first fitted, and nothing after that. The phone is set with the knurled thumb knob and the angle with the hand-set joint, so both can be changed at the roadside. Once the ring is tight on the bar, the rest of the mount is adjusted by hand, which is what makes it practical to move the screen during a ride.
How do I clean it?
Wipe the cradle, the ring and the joint with a damp cloth, then dry the metal straight away so no water sits in the joint. A soft brush clears grit out of the threaded shaft, which keeps the thumb knob turning smoothly. Do not use an abrasive pad on the finish, and do not oil the jaws, because oil attracts dust and grit that will grind the pad.
Quick Troubleshooting
Common HKM-3132371 fitting points and what to check first.
The mount turns on the bar
A mount that twists by hand is a clamp that is not fully closed. Open the bolt, check that the ring sits flat around the bar rather than across a taper, and pull it down again until the ring meets itself. If the bar is thinner than the ring can close around, a shim of rubber or tape under the ring will let it grip. Check the bolt again after the first ride, because a new clamp settles. The ring should meet itself rather than stop short.
The phone slides down
A phone that creeps down the cradle is usually not centered, so check that the jaws sit level on both sides of the case. Close the knurled knob until both jaws touch the case, then check that the pad sits below the buttons rather than across them. The textured top panel holds a case by friction, so a smooth bare phone benefits from a thin case for grip. A phone that sits level will not creep as you ride.
The knob will not turn
Grit in the threaded shaft is the usual cause, because the shaft sits where road spray reaches it. Open the jaws, brush the threads with a soft brush and work the knob back and forth. Never force a stiff knob, because the thread is fine and a crossed thread will stop the jaws closing evenly. A drop of water and a wipe is enough to clear most of it. A dry cloth keeps the thread turning freely.
The angle slips on rough ground
The joint holds by friction, so it can move if it is set loosely. Turn the cradle to the angle you want and press it until the joint tightens, then check that the screen stays put when you tap the bars. If the joint keeps moving, the clamp ring is likely loose as well, so tighten the bolt first and then set the angle again before the next ride. Set the angle before the next ride, not during it.
The ring is too wide for the bar
If the ring closes past itself without gripping, the bar is thinner than the ring's range. Wrap a strip of rubber or handlebar tape around the bar under the ring so the clamp has something to bite on, then tighten the bolt and check that the mount cannot be twisted by hand. Do not file or bend the ring, because that weakens the part that holds the phone. A tight ring protects the bar as well as the phone.
It rattles over bumps
A rattle usually comes from the phone sitting loose or from the clamp bolt being short of tight. Check the thumb knob first and close it until both jaws touch the case. If the noise is still there, tighten the clamp bolt and check that the two halves of the ring sit flush. Anything left over is worth looking at again before a long ride, because a loose mount will wear the bar. A quiet mount is a tight mount.
Service & Policies
Coverage that keeps working long after the box arrives.
Free Shipping on All Orders
Every order ships free. Handling time: 0-1 business days (Monday to Friday). Transit time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.
180 Days Purchase Protection
Your purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.
30 Days Money Back Guarantee
Not completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.
24 Months Warranty Service
The product is covered by a 24-month warranty from the delivery date against manufacturing defects. Coverage includes parts and labor; normal-wear items are excluded.
Important Safety Notes
Read these notes before the first ride with the HKM-3132371.
The HKM-3132371 is a phone holder for a bike handlebar, so fit it with the bike stationary and the wheels on the ground. Tighten the clamp bolt until the mount cannot be twisted by hand, and check the bolt again after the first ride, because a new clamp settles onto the bar. Set the phone before you set off and keep both hands on the bars while riding, since adjusting a screen at speed is not worth the risk. Check that the jaws sit below the power and volume buttons so the case is not pinched, and keep the joint clear of brake and gear cables. Never rely on the mount to keep a phone dry, and take the phone off before lifting the bike onto a rack.
HKM-3132371 - bike phone mount in aluminum alloy, with a split ring bar clamp that pulls down with a bolt, a hand-set swivel joint under the cradle, two padded jaws on a threaded shaft and a knurled thumb knob, plus a textured top panel. Available in red, gray and black. Read the manual before first use. Nothing here is safety certification advice.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
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Free repair or replacement if the product fails under normal use.
Accidental Damage
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The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
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Request a return within 30 days of delivery.
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Refund processed within 10 business days.
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We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
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Whichever is faster, at no cost to you.
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Claims assessed within 1 business day.
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Warranty follows the product, not the owner.
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Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
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Available 24 hours a day, 7 days a week
