They’re pretty much just machinist’s choice MR85s purchased in bulk, cheaply.
One of the reasons I like designing for this bearing size is that they are abundant and inexpensive. It’s a common size used in hobbyist RC cars.
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OK. Now I don’t feel so bad that I already bricked it 
(Still loving this damn throw, BTW!)
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I never think to try cotton on bearing throws, but after bricking my MR-85 I tossed a Nectar on the Plasm and it’s bliss!
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Thank you for posting this
I ended up using my favorite method to deburr knives and smooth out sharp dings that I learned from another member
Bamboo skewer rubbed along the edges then used to smooth any additional rough spots. I was surprised how long some of the burrs were that I easily removed
Going to play my plasm hard and see if it still cuts strings, I haven’t touched it since I noticed this issue on mine, so fingers crossed 
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It’s been 3ish weeks now and I still find that I reach for my Plasm more than any other yoyo in my collection. The weight, shape and response are just perfect. I wish it could handle just a bit more string at times but I’ve got some 3mm bearings coming to see how that feels. I did get a hold of some 4mm MR85s and it made the throw feel heavy as it unwinds if that makes sense.
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I was thinking a 3mm with some lube would be pretty nice in the Plasm. Maybe even in the RBC.
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My exact thoughts. I’ll let you know in a week or so when the bearings show up.
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The 4mm bearing making it feel heavier on the unwind makes a lot of sense. A 4mm gap with a diameter that large with definietly create that effect.
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You know I had to try it, and yes it worked wet, floated, and played normal after drying. (It has a nylon bearing blank in it don’t worry)
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I… brought my survivalist to the water park with the kids… it should have been the plasm
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just one won’t save you. you need enough to keep you afloat
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2 1/2 weeks in, love this yoyo more by the day. Just sayin’
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Why?.. The Survivalist floats
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I love my survivalist but the plasm does have a certain newness to it. Then again I put nearly any YoYo in the water (sans wood) . Especially plastic.
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Such a fun yoyo.. and so versatile.
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If that is not firm confirmation of how capable this throw is… I don’t know what would be. Is that still stock?
Edit: never mind. I watched again and saw that snappy response at the end. 
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Yup. Straight out of the box. Stock string even
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