SMALLRIG Cool Ballhead Arm Super Clamp Mount Multi-Function Double Ball Adapter with Bottom Clamp for Ronin-M

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9.7Expert Score
Overall BVR Rating
Total Reviews:5397
SMALLRIG Cool Ballhead Arm Super Clamp Mount Multi-Function Double Ball Adapter with Bottom Clamp for Ronin-M, Ronin MX, Freefly MOVI - 1138
PROS
  • 90 REVIEWS WELL MADE
  • 44 REVIEWS BALL JOINTS
  • 43 REVIEWS HIGHLY RECOMMEND
  • 27 REVIEWS BALLHEAD
  • 24 REVIEWS HEAVY DUTY
  • 47 REVIEWS SMALLRIG
  • 24 REVIEWS DOUBLE BALL
  • 30 REVIEWS HIGH QUALITY
  • 14 REVIEWS CELL PHONE
  • 49 REVIEWS WELL BUILT
  • 9 REVIEWS BALLHEAD ARM
  • 15 REVIEWS HTC VIVE
  • 24 REVIEWS EASY TO ADJUST
  • 66 REVIEWS LITTLE CLAMP
  • 56 REVIEWS EASY TO USE
  • 10 REVIEWS MAKE SURE
  • 51 REVIEWS GREAT LITTLE
  • 21 REVIEWS TRIPOD LEG
  • 12 REVIEWS PIECE OF GEAR
  • 13 REVIEWS GREAT VALUE

SmallRig Multi-function Double Ballhead 1138 is a multifunctional double ball head with a clamp at the bottom and a 1/4″ screw on the top.

Top Positive Review

For the price it’s really hard to imagine this being any better. I’ve used a lot of cheap price point accessories. Usually they go cheap/light in critical areas even though the shape might be the same. With this clamp everything is just SOLID – even the dogbone swivel neck. It honestly feels like a baby RAM mount that’s how sturdy it is.

My application for this clamp is to mount an Insta360 to a bike and it works well for this application.

The only reason I didn’t give it five stars is I’ve found that the bottom pin which connects the arm to the clamp comes unscrewed easily when the arm is secured…i.e. if you have a camera mounted to it and everything is locked and you bump/twist the camera the whole arm assembly spins because it came loose at the clamp. This is solved with a bit of loctite but it’s annoying to have to do that with an otherwise exceptional arm.

Top Critical Review

My main purpose for using this clamp was to attach a camera to a vehicles ” A-Pillar Grab Bar handle”. While the clamp overall is decent there are several limitations that left me feeling kind of “Ehh”.
I feel this clamp was over engineered in places while completely over looking others.
The jaws of the clamp seem robust with its heavy metals but inside the jaws are some very thin rubber pads. While I like the rubber pads because it prevents me from scratching other surfaces, it seems too thin for day to day or long term use in my opinion. The handle / screw system used to tighten the jaws seem weak in comparison to the heavy duty jaw material. It makes you feel like if you were to tighten the handle too much, the bolt itself may break in half. On the positive of that, I haven’t broke my handle yet.

Moving along, we come to the next section and this is really where I have my issues. For the sake of this review, lets refer to this section as the “barbell” since it sort of looks like a old time strong man bar bell. This design gives you the illusion that you can swivel things into position and how you need it. However, if you look at the listings pictures closer, you will see the bar bell is split length wise.
What this means is you can only adjust the angle up or down / left and right. Again, this doesn’t seem like a huge deal but once you angle the first side where you want it you are somewhat forced to use that angle when adjusting your second side of the bar bell.
Another drawback is the compression nut for the barbell is in the center of the barbell so when you loosen one side both side will loosen; not good. I would rather see a compression nut on both ends rather than the one single point in the center.
The post that goes into the bottom of your light or camera needs a touch of Loctite to prevent it from spinning out of place. the male and female threads to not mate up very tight so any vibrations can make your equipment loosen and potentially fall off the mount.

Over all the camp isn’t horrible but it needs some attention. It would be nice to see a true swivel point on each end of the barbell to give more flexibility. Also tighten up the tolerances of the male and female mating points to make a more secure connection point.

If you need this as a indoor mounting point for a external camera flash or something of this nature. You may not have any issues with the design at all.

I hope this review helps and allows you to think more about your application.

Customer Questions & Answers

what type of camera you bought for this rig?
Answer: I bought this for studio lights

Does this only accept 1/4 x 20 or does it also accept 3/8×16 bolts?
Answer:

Yes, it accepts both.

The way the double ball adapter attaches is via a 1/4″ x 20 bolt and there is a pre drilled and tapped 3/6″ x 16 bolt hole on the other “arm” of the clamp. I went and bought a 3/8″ x 16 x 12″ threaded rod from Home Depot and used it on the open pre-drilled hole. It worked just fine. Photos to ??

What is the smallest size pipe this will clamp onto?
Answer: It can clamp pipe of minimum 15mm.

will this work for small camcorder?
Answer:

Hello

Yes, it could hold a small camcorder.
??

Will this fit a contour roam camera?
Answer:

Hi

Thank you for interesting in SmallRig.

This item can be mounted on devices with 1/4” threaded holes, with a maximum load of 1.5KG. You can determine if it is suitable for your contour roam camera depending on the specific model.
??

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Expert Score 9.7
PROS:
  • 90 REVIEWS WELL MADE
  • 44 REVIEWS BALL JOINTS
  • 43 REVIEWS HIGHLY RECOMMEND
  • 27 REVIEWS BALLHEAD
  • 24 REVIEWS HEAVY DUTY
  • 47 REVIEWS SMALLRIG
  • 24 REVIEWS DOUBLE BALL
  • 30 REVIEWS HIGH QUALITY
  • 14 REVIEWS CELL PHONE
  • 49 REVIEWS WELL BUILT
  • 9 REVIEWS BALLHEAD ARM
  • 15 REVIEWS HTC VIVE
  • 24 REVIEWS EASY TO ADJUST
  • 66 REVIEWS LITTLE CLAMP
  • 56 REVIEWS EASY TO USE
  • 10 REVIEWS MAKE SURE
  • 51 REVIEWS GREAT LITTLE
  • 21 REVIEWS TRIPOD LEG
  • 12 REVIEWS PIECE OF GEAR
  • 13 REVIEWS GREAT VALUE
SMALLRIG Cool Ballhead Arm Super Clamp Mount Multi-Function Double Ball Adapter with Bottom Clamp for Ronin-M
SMALLRIG Cool Ballhead Arm Super Clamp Mount Multi-Function Double Ball Adapter with Bottom Clamp for Ronin-M
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