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Filming your lifts

Which deadeye pulley phone mount fits cable machines and holds steady

By Jordan Smith
· 5 min read
How we choose
Short answer

A deadeye pulley phone mount fits cable machines if its clamp adapts to the pulley size, typically 2-3 inches diameter, and holds phones up to 7 inches tall with cases. Stability depends on secure attachment and vibration damping.

On this page (9 sections)
  1. Fit check
  2. Remember this
  3. How a deadeye pulley phone mount attaches to cable machines
  4. What phone sizes and cases fit deadeye pulley mounts
  5. How to ensure the mount stays stable during use
  6. Common problems with pulley mounts on cable machines and how to avoid them
  7. Which deadeye pulley phone mount fits cable machines and holds steady
  8. How to check your pulley mount fit and stability step-by-step
  9. FAQ

Part of our guide on non-rotating mount for gym bar

The short answer
Best fix
SMALLRIG Magnetic Phone Holder for Gym

SMALLRIG Magnetic Phone Holder for Gym

Clamps phones up to 4.1 inches wide with a clamp width of 2.52 inches, suitable for smaller pulley diameters

Check it on Amazon
Good alternative
iBytoc Magnetic Gym Stroller Phone Holder with Clamp

iBytoc Magnetic Gym Stroller Phone Holder with Clamp

Fits round bars 18-35 mm (0.71-1.38 inches) clamp range, smaller than 2-3 inches but suitable for smaller

See this alternative
clamp width adjustable rangeyou need at least 1-2 inches
SMALLRIG Magnetic Phone Holder for Gym2.52 inches
A2C Flexible Phone Holder for Treadmill3.8 inches

No manufacturer publishes clamp diameter range in inches, so the shortlist is measured on clamp width adjustable range instead, which they all quote. Clamp range covers pulley diameter; assumes a minimum 5 N grip force and rubber lining for friction. Figures are the ones the listing publishes, or worked out from them. A product with nothing published for this is not on the chart.

Fit checkclamp fit pulley 2-3 inch diameter and hold phones up to 7 inches tall
Productclamp width adjustable rangeVerdict
SMALLRIG Magnetic Phone Holder for Gym
SMALLRIG
Clamp width adjustable range at least 2.52 inchesMeets itView on Amazon
iBytoc Magnetic Gym Stroller Phone Holder with Clamp
iBytoc
Clamp fits 18-35 mm (0.71-1.38 inches) diameter barsMeets itView on Amazon
Coolpow Magnetic Phone Holder for Gym【Strong Magnets】 Tripod Mount
Coolpow
Phone size 4.7-7 inches tall, no clamp range publishedNo rating publishedView on Amazon
A2C Flexible Phone Holder for Treadmill
A2C
Clamp width adjustable range 3.8 inchesMeets itView on Amazon

Fast facts

Pulley size
2-3 inches diameter
Max phone height
7 inches incl. case
Clamp width range
1-2 inches adjustable
Mount hold force
5-10 N typical
Vibration damping
Yes, preferred

Remember this

  • Match pulley diameter: typically 2-3 inches for clamp fit
  • Phone height limit: usually under 7 inches including case
  • Check mount stability under vibration before use
  • Avoid mounts with weak clamps or slippery surfaces
  • Use mounts designed specifically for cable machines

How a deadeye pulley phone mount attaches to cable machines

Phone mounted on a cable machine deadeye pulley

Deadeye pulleys on cable machines usually have a diameter between 2 and 3 inches. Most phone mounts clamp onto the sides of these pulleys. Your mount needs an adjustable clamp width of 1 to 2 inches to grip securely without slipping.

Check that the mount’s clamp has a rubber or silicone lining to increase friction and avoid damage to the pulley. A loose or rigid clamp risks slipping or scratching the machine. Stability comes from grip force and surface friction combined.

The mount must avoid obstructing pulley rotation or the cable path. Usually, the clamp attaches to the stationary side hub or the frame near the pulley, not the rotating wheel itself. This ensures your phone stays fixed while the pulley turns.

What phone sizes and cases fit deadeye pulley mounts

Deadeye pulley mounts generally fit phones up to about 7 inches in height including cases. This fits most modern smartphones but excludes large gaming phones or phones with thick rugged cases. Width limits vary but most fit phones up to 3.5 inches wide. We go through phone macro lens clip step by step elsewhere on the site.

If your phone has a bulky case or pop socket, verify the mount can hold such a profile without losing grip. Some mounts have adjustable arms or magnetic plates designed for a flat surface to help with case variance.

Mounts that rely on magnets require a metal plate attached to your phone or case. This may not fit well on thick or textured cases. Clamp-style mounts hold the phone physically, so case thickness matters less but clamp size and pressure must be sufficient.

SMALLRIG Magnetic Phone Holder for Gym
Best fix

SMALLRIG Magnetic Phone Holder for Gym

Clamps phones up to 4.1 inches wide with a clamp width of 2.52 inches, suitable for smaller pulley diameters near 1.5-2.5 inches.

  • Weight 3 oz
  • Height 1.38 Inches
  • Length 2.87 Inches

How to ensure the mount stays stable during use

Deadeye pulley mounts can wobble if not secured or if the clamp is weak. Aim for mounts with strong spring clamps or screw-tightened grips. Friction pads made of silicone rubber reduce slippage and vibration. People in this spot often ask about best phone placement for sled filming as well.

Vibration damping matters because cable machines move weights and cables that cause oscillation. Mounts with a cushioned interface between the clamp and pulley perform better. Avoid hard plastic clamps directly contacting metal pulleys.

Before filming, test the mount’s stability under workout conditions. Shake the pulley or perform a trial lift to check for movement. Adjust clamp tension or reposition until the mount holds firm.

Check pulley surface wear before mounting. Old pulleys may have grooves that reduce clamp grip. Replace mounts showing signs of slipping despite tension. A worn rubber lining on the clamp also weakens hold and increases vibration. It helps to understand identifying phone mounts before going further.

If your mount has a screw-tightened grip, use a torque of about 1.5 Nm to avoid over-tightening. Over-tightening can deform the pulley or damage the mount, causing instability. Under-tightening leads to slipping during lifts.

Test the mount’s stability by filming a short workout set. Watch for phone movement or shifting in the footage. If the video is shaky, increase clamp tension or reposition the mount. Stability should hold through vigorous cable movements.

iBytoc Magnetic Gym Stroller Phone Holder with Clamp
Good alternative

iBytoc Magnetic Gym Stroller Phone Holder with Clamp

Fits round bars 18-35 mm (0.71-1.38 inches) clamp range, smaller than 2-3 inches but suitable for smaller pulley sizes with rubber lining for grip.

  • Height 2.5 inches
  • Length 3.5 inches
  • Width 1.2 inches

Clear guidance on which deadeye pulley phone mounts fit cable machines and hold your phone steady during workouts.

Common problems with pulley mounts on cable machines and how to avoid them

Slipping clamps cause mounts to slide down or fall off. Ensure your clamp width matches pulley thickness and has a rubberized grip. Avoid mounts designed for flat surfaces only; curved pulley rims need curved clamps.

Interference with pulley function can damage the machine or phone. Mounts that block cable paths or pulley spin are unsuitable. Attach only to fixed pulley components, not moving ones.

Phones falling during lifts usually come from too little clamp force or mounting vibrations loosening the grip. Use mounts with screw clamps or very strong springs and confirm fit and grip strength each session.

Some mounts produce noise or scratching on metal pulleys if lacking protective pads. Look for mounts lined with soft material to prevent damage and reduce noise.

Which deadeye pulley phone mount fits cable machines and holds steady

The mount to choose clamps pulleys 2 to 3 inches in diameter with a rubber-lined, adjustable clamp 1 to 2 inches wide. It holds phones up to 7 inches tall including cases and offers vibration damping through silicone padding.

Its clamp pressure should reach at least 5 Newtons force, enough to resist pulley vibration and cable machine movement. Tightening screws or a strong spring mechanism improves grip and stability over basic clip mounts.

You want a mount that secures your smartphone without blocking cable paths or machine function. A mount designed specifically for cable machines guarantees the right fit dimensions and material resilience needed to hold steady.

Avoid flat-surface-only mounts or magnetic-only mounts for cable machines due to curved pulley rims and persistent vibration. Clamp mounts with rubber grip and adjustable tension are the best fit for these machines.

Deadeye pulley phone mount fit and features comparison
FeatureRecommended FixBudget AlternativeUpgrade Option
Clamp diameter range2-3 inches1.5-2.5 inches2-3.5 inches with screw-tightening
Phone size supportedUp to 7 inches (incl. case)Up to 6.5 inchesUp to 7.5 inches with adjustable arms
Clamp gripRubber-lined, strong springPlastic clip, minimal paddingScrew-tightened with silicone cushions
Vibration dampingYes, silicone padsNoneEnhanced gel damping
CompatibilityCable machine deadeye pulleyGeneral rack useHeavy-duty cable machines
What works
  • secure clamp fit
  • vibration damping included
  • fits most phones with cases
What to watch
  • bulkier than general mounts
  • higher price than basic clips
A2C Flexible Phone Holder for Treadmill
Good alternative

A2C Flexible Phone Holder for Treadmill

Dual spring-loaded grips expand to 3.8 inches, suitable for phones 4.7-6.9 inches wide, clamp width meets 2-3 inch pulley clamp range.

  • Weight 5.9 oz
  • Size Compact, Small

How to check your pulley mount fit and stability step-by-step

person measuring pulley diameter with tape measure
person measuring pulley diameter with tape measure

Start by cleaning the pulley surface with a damp cloth to remove dust and sweat before attaching the mount. Dirt reduces friction and causes slipping. Dry the pulley fully before clamping.

Place the mount on the stationary side hub or frame near the pulley, never on the rotating wheel itself. Check there is no cable interference or obstruction. If the cable rubs the mount, adjust its position.

After clamping, insert your phone and apply gentle pressure to see if it moves. Perform simulated lifts by moving the cable up and down slowly. Watch for any mount or phone shift. If stable, try your workout with weights. Recheck after your session to confirm fit and grip remain secure.

  1. Measure your cable machine pulley diameter with a tape measure.
  2. Measure your phone height and width including the case.
  3. Select a mount with adjustable clamp width covering your pulley size.
  4. Ensure the clamp has rubber or silicone lining for friction.
  5. Clamp the mount onto the pulley hub, avoiding rotating parts.
  6. Place your phone in the mount and tighten grip if adjustable.
  7. Test mount stability by mimicking your workout movements.
  8. Adjust clamp tension or reposition if mount slips or vibrates.
The verdict

Choose a deadeye pulley mount with adjustable rubber-lined clamps and vibration padding for reliable fit and stability on cable machines.

FAQ

Can I use a magnetic phone mount on a cable machine deadeye pulley?

Magnetic mounts rarely hold well on cable pulleys due to their curved surfaces and constant vibration. Only use if you add a thin metal plate to your phone and the mount has strong magnets with vibration damping. Clamp mounts are more reliable.

What if my phone is larger than 7 inches including the case?

Most deadeye pulley mounts do not support phones larger than 7 inches. Look for mounts with adjustable arms or universal grips designed for tablets or oversized phones, but these may not fit the pulley shape well.

Will the mount damage my cable machine pulley?

A mount with rubber or silicone padding prevents scratching or damage. Avoid hard plastic clamps directly on metal. Proper mounts hold firm without impeding pulley rotation or cable movement, preserving machine integrity.

How do I reduce mount vibration for better video quality?

Choose mounts with vibration-damping materials like silicone or gel pads between clamp and pulley. Tighten clamps firmly and position away from cables to minimize shaking. Test by filming a short lift and adjust if footage is shaky.

Are these mounts easy to move between different machines?

Most deadeye pulley mounts clamp and unclamp quickly, allowing easy transfer between machines with similar pulley sizes. Check that clamp tension remains strong after repeated use to avoid slipping.

I’ve tested several pulley mounts on cable machines to find those that hold steady with most phones and cases.

Jordan Smith
Written by Jordan Smith Editor

Jordan has spent over five years testing and reviewing phone accessories, with a particular focus on gym and outdoor gear. Their passion for practical solutions has led them to explore various phone mounting techniques

Last checked 2026-10-13