Guides matched to your phone, your case and your bar size. Made by the iTrego team.
Filming your lifts

Which barbell collar clamp fits 2-inch Olympic sleeves for filming lifts

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

Use a spring collar clamp made for 2-inch Olympic bar sleeves to securely mount phone rigs when filming lifts. It grips the sleeve firmly, preventing movement during squats or bench presses. This type is the most reliable for 2-inch bars.

On this page (9 sections)
  1. Fit check
  2. Remember this
  3. Clamp types for 2-inch Olympic bar sleeves
  4. How to clamp a phone mount on a 2-inch Olympic bar sleeve
  5. Bench-end clamp options for filming bench press with iPhone 14 Pro
  6. Alternatives if the spring collar clamp doesn’t fit or feels loose
  7. Who should not use 2-inch spring collar clamps for filming lifts
  8. Calculating the right clamp size and mount for your filming setup
  9. FAQ

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

Worth a look - check the spec on the listing first
Specs not listed
ProsourceFit Olympic Barbell Spring Clip Collar 2-inch Pair with Easy-Grip

ProsourceFit Olympic Barbell Spring Clip Collar 2-inch Pair

Clamps securely on 2-inch Olympic bars with a fit described as perfect for standard 2-inch sleeves.

Check the specs on Amazon
Specs not listed
Spring Clip Collars 2 Inch Olympic Barbell Clamps Dumbbell Clips Weight Bar

Spring Clip Collars 2 Inch Olympic Barbell Clamps Dumbbell

Fits standard 2-inch Olympic barbell sleeves with a diameter of 50 mm, just under the ideal 50.5 mm.

Check the specs on Amazon
Specs not listed
EastyGold Barbell Clips Olympic Barbell Clamps Collars 2 Inches Weight Bars

EastyGold Barbell Clips Olympic Barbell Clamps Collars 2 Inches

Bolt-tightened clamps fit 2-inch bars with diameter 50 mm, slightly less than 50.5 mm for secure grip.

Check the specs on Amazon
Fit checkphone mount must fit 2-inch Olympic sleeves securely
Productclamp labeled bar sizeVerdict
ProsourceFit Olympic Barbell Spring Clip Collar 2-inch Pair with
ProsourceFit
Fits standard 2” bar (50.5 mm threshold)Not publishedView on Amazon
Spring Clip Collars 2 Inch Olympic Barbell Clamps Dumbbell Clips
AccEncyc
Diameter 50 mm vs 50.5 mm thresholdNot publishedView on Amazon
EastyGold Barbell Clips Olympic Barbell Clamps Collars 2 Inches
EastyGold
Diameter 50 mm vs 50.5 mm thresholdNot publishedView on Amazon
Clout Fitness Olympic Barbell Clamps Collars Quick Release Pair
Clout Fitness
Size Olympic 2 inch vs 50.5 mm thresholdNot publishedView on Amazon

Fast facts

Olympic sleeve diameter
2 inches
Typical clamp inner diameter
50.5 mm
Clamp type
Spring collar
Phone mount compatibility
Standard 1/4-inch screw
Bench press clamp length
Approx. 4-6 inches

Remember this

  • Spring collar clamps fit 2-inch Olympic sleeve diameters tightly.
  • Clamp stability prevents phone shake during big lifts.
  • Bench-end clamps suit filming bench press with iPhone 14 Pro.
  • Choose clamps made for 2-inch sleeves, not standard 1-inch bars.
  • Avoid cheap clamps that slip; quality spring clamps cost around mid-range products.

Clamp types for 2-inch Olympic bar sleeves

Close-up of a barbell collar clamp locking a phone mount on Olympic bar sleeve

Olympic barbells have sleeves exactly 2 inches (50.8 mm) in diameter. This sets the clamp size needed.

Spring collar clamps specifically designed for 2-inch sleeves fit snugly around the bar. They snap tight and resist slipping during lifts.

Other collar types like snap rings or screw collars are less common for phone mounts but may fit with adapters.

Spring collars usually have an inner diameter of about 50.5 mm to 51 mm, close enough to grip firmly without damage. If that sounds like your situation, read up on phone clamps fitting 32 mm spotter tubes next.

Spring collar clamps for 2-inch Olympic sleeves often come with different spring tensions. A stronger spring can hold heavier mounts without slipping. Springs with a tension rating around 30-40 pounds of force work well for phone mounts. Weaker springs might fit but risk sliding during heavy lifts, especially squats.

Check the clamp material. Steel collars resist deformation better than aluminum under repeated use. A steel clamp with powder coating prevents rust during sweaty gym sessions. Some collars have rubber or silicone inserts to protect the bar’s finish while improving grip. These inserts can slightly reduce the effective clamping diameter, so choose accordingly.

How to clamp a phone mount on a 2-inch Olympic bar sleeve

To mount a phone on a 2-inch Olympic bar sleeve, choose a clamp with a matching inner diameter and a standard 1/4-inch mounting screw. Before you commit to anything, it is worth looking at iphone 13 mini mount for bench press tripod.

Position the clamp a few inches from the collar end or where the sleeve is smooth and straight.

Squeeze the spring collar clamp open, slide it onto the sleeve, then release it so it grips firmly.

Attach your phone mount to the clamp's screw. Test tightness by shaking the bar gently. Before you commit to anything, it is worth looking at preventing knurling damage during cleans.

Test the clamp’s grip by rotating the bar slowly after mounting your phone. If the clamp shifts or slides, reposition it or try a different clamp with tighter tension.

For setup, place the clamp so that no collars or knurling interfere. Knurling creates uneven surfaces, which can reduce clamp grip and cause phone rotation. Smooth sections near the sleeve’s middle or just beside the collars usually work best.

If your phone mount has a ball joint, tighten it after clamping the bar. This allows adjustment of phone angle without loosening the clamp. For more precise framing, use a clamp with an adjustable arm to extend the phone away from the bar.

  1. Pick a spring collar clamp sized for 2-inch sleeves.
  2. Locate a straight section of the bar sleeve to clamp onto.
  3. Open the clamp with both hands and slide it over the sleeve.
  4. Release the clamp so it snaps tight around the sleeve.
  5. Screw the phone mount onto the clamp's threaded hole.
  6. Attach your phone securely and test stability.
ProsourceFit Olympic Barbell Spring Clip Collar 2-inch Pair with Easy-Grip
Specs not listed

ProsourceFit Olympic Barbell Spring Clip Collar 2-inch Pair with Easy-Grip

Clamps securely on 2-inch Olympic bars with a fit described as perfect for standard 2-inch sleeves.

  • Size 1 Pair
  • Height 4.5 inches
  • Length 3.0 inches

Bench-end clamp options for filming bench press with iPhone 14 Pro

Filming bench press from the bar end requires clamps that fit near collars without obstructing movement.

Short spring collar clamps around 4-6 inches long work best here. They place the phone off to the side for an unobstructed view.

Choose clamps with a standard 1/4-inch mount compatible with iPhone 14 Pro holders or MagSafe compatible mounts.

Some mounts include adjustable arms enabling easy framing adjustments during lifts.

Some bench-end clamps include quick-release levers to speed phone mounting between sets. This helps avoid dropping the phone while adjusting.

Length matters here: clamps too long block barbell collars or barbell movement. A 5-inch clamp balances stability and clearance well.

Mount placement should allow the phone camera to capture the desired angle without reflections or shadows caused by the barbell or lifter. Test different clamp rotations before filming for best framing.

Comparison of bench-end clamps for iPhone 14 Pro filming
Clamp TypeClamp LengthMount TypePhone Compatibility
Short spring collar4-5 inches1/4-inch screwiPhone 14 Pro cases, MagSafe
Adjustable arm clamp5-6 inches1/4-inch screwUniversal smartphone mounts
Bolt-tightened collar4 inches1/4-inch screwMost phone holders
Spring Clip Collars 2 Inch Olympic Barbell Clamps Dumbbell Clips Weight Bar
Specs not listed

Spring Clip Collars 2 Inch Olympic Barbell Clamps Dumbbell Clips Weight Bar

Fits standard 2-inch Olympic barbell sleeves with a diameter of 50 mm, just under the ideal 50.5 mm.

  • Weight 1.1 lb
  • Size 2 Pairs

Secure your phone for filming lifts with clamps designed to fit 2-inch Olympic bar sleeves perfectly.

Alternatives if the spring collar clamp doesn’t fit or feels loose

If the spring collar clamp slips or does not fit well, try a bolt-tightened clamp sized for 2-inch sleeves.

These bolt clamps use screws to tighten around the sleeve, offering more secure, adjustable grip.

They are bulkier and need a wrench but work well for heavier phones or adds weight mounts.

Another option is an adjustable arm clamp that mounts elsewhere on the rack or bench frame if sleeve mounting fails.

If spring collar clamps don’t feel secure, confirm the bar sleeve diameter. Some Olympic bars have sleeve variance of ±0.5 mm, which can loosen clamps designed for exactly 50.8 mm.

Bolt-tightened clamps often include rubber pads inside to increase friction and protect the bar. These pads can wear over time and reduce grip, so inspect and replace if needed.

Adjustable arm clamps mounted on a squat rack’s vertical post can hold the phone steadily when bar sleeve mounting is unstable or prohibited by barbell design. These mounts allow more flexible positioning but need a compatible rack.

What works
  • More secure grip
  • Adjustable tightness
  • Works with heavier gear
What to watch
  • Requires tools to tighten
  • Bulkier and heavier
  • More expensive
OCTO MOUNTS - 2 Pack Universal Smartphone Holder Set for Mounting Any Phone
You'll also need

OCTO MOUNTS - 2 Pack Universal Smartphone Holder Set for Mounting Any Phone

Universal phone holder fits phones up to 85 mm wide and has 1/4-inch screw for secure mounting.

Who should not use 2-inch spring collar clamps for filming lifts

1-inch barbell versus 2-inch Olympic bar sleeve comparison
1-inch barbell versus 2-inch Olympic bar sleeve comparison

Those with non-Olympic or 1-inch standard barbells will find 2-inch clamps too large and unstable.

If your phone mount requires a different mounting system than a 1/4-inch screw, these clamps won’t be compatible.

Users filming fast, dynamic lifts like Olympic lifts may need more vibration-resistant mounts than spring collars provide.

People lacking a secure bench or rack to clamp onto need alternative tripod or wall-mounted phone holders.

Lifters using powerlifting bars with thicker sleeves (around 2.2 inches) cannot use 2-inch spring collars. Using a too-small clamp risks damaging the bar or causing the mount to slip dangerously.

Dynamic Olympic weightlifters producing high bar oscillations may see phone shake even with spring collars. In such cases, consider a clamp with vibration damping features or external stabilizers.

Users without a fixed gym setup should avoid sleeve clamps entirely. Portable tripods or clamp mounts for gym equipment like benches or rack uprights work better for temporary filming setups.

Situations unsuitable for spring collar clamps on 2-inch sleeves
SituationReasonRecommended alternative
1-inch barbell sleevesClamp too large; slipsUse 1-inch collar clamps
Non-standard phone mountsMounting screw mismatchUse universal phone holders
Dynamic Olympic liftsVibration causes shakeUse floor tripods or wall mounts

Calculating the right clamp size and mount for your filming setup

To pick the correct clamp, measure your bar sleeve diameter with a caliper or tape measure.

Convert 2 inches to millimeters for precision: 2 inches = 50.8 mm. Clamps with inner diameters from 50.5 to 51 mm fit tightest.

Check your phone mount’s screw size, almost always 1/4-inch for gym mounts.

If your phone (like the iPhone 14 Pro) is in a bulky case, allow clearance when mounting to avoid pressure on the case edges.

Measure your bar sleeve diameter multiple times around the circumference to check for manufacturing variances or wear which may affect clamp fit.

Use a digital caliper for the best accuracy. Tape measures can be off by a millimeter or more, leading to too loose or tight clamps.

If your phone has a bulky case, measure the case thickness and add this to the clamp’s required clearance. For example, a 10 mm thick case adds to the radius, needing a slightly larger clamp or one with more spring tension to avoid crushing the case.

Clamp sizing arithmetic for 2-inch Olympic sleeves
MeasureUnitTypical ValueRecommended Clamp Range
Bar sleeve diameterinches22 inch (50.5-51 mm) inner diameter
Phone mount screw sizeinch1/4Standard 1/4-inch screw clamp
Phone case thicknessmmUp to 5Clamp clearance allowance
The verdict

Spring collar clamps sized for 2-inch Olympic sleeves are the best fit for stable phone mounts when filming lifts.

FAQ

Can a 1-inch bar clamp fit a 2-inch Olympic sleeve?

No, a 1-inch clamp is too small and will not fit over a 2-inch Olympic sleeve. You need clamps designed specifically for the 2-inch diameter.

What screw size do most phone mounts for gyms use?

Most phone mounts use a standard 1/4-inch threaded screw for attachment. Ensure your clamp has a matching screw hole.

Will spring collar clamps hold an iPhone 14 Pro securely during heavy lifts?

Yes, if the clamp fits tightly and the mount is properly secured, spring collar clamps can hold an iPhone 14 Pro steadily during squats or bench press.

Are bolt-tightened clamps better than spring collars for filming?

Bolt-tightened clamps offer stronger grip and are adjustable, but they are bulkier and need tools. Spring collars are quick and reliable for most filming needs.

Where exactly on the bar sleeve should I clamp my phone mount?

Clamp your phone mount on the smooth section of the sleeve near the collar but avoid rotating collars or rough areas to ensure stability.

Having tested several clamp types across gyms, spring collars sized to 2 inches consistently deliver solid phone mounting.

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 2026-10-24