Heavy side effect, what it's like?

Throws with a lot of rim weight is long spinning, and that comes with kickback, so kickback = a lot of rim weight = long spinning, a center weighted throws got less kickback and more thud at the end of the string, this understanding comes from my limited collection, but i’ve never tried a heavy side effect, i know it would adds a lot of center weight, but does it affect the spin time? because i wonder if it’s the kick back that gives the yoyo it’s long spin time, or it’s the weight of the rim itself?

Yes. Spins longer. Feels more powerful.

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Center weight adds stability but the increase of a fraction of a gram or so isn’t going to impact anything dramatically in that regard. You might feel the added weight of a heavier SE in slightly higher initial RPM as there’s more overall weight to the yo-yo.

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i’m talking about side effect, the lightest is around 2 grams and heaviest is around 10 grams, that is not a fraction of a gram

I get what your saying

I guess I was going off what I assume folks have and are available.

Most al are between 2.9g and 3.5g if you find brass you essentially can double those numbers. I’m making a silly assumption that finding code1 brass se is a long shot so at most you could add maybe 2-3 grams if you bump up to a similar shaped brass se I guess if your going from al ul to brass energy domes that would be significant 5.5g but I’m assuming your base throw had a regular al flat cap and the heavier al would be energy domes adding .2g bump up to ti se you could add nearly 1g and brass maybe 2-3g from there.

It sounds significant if you bump from the extremes but I’m betting it’s more starting in the middle and moving up very slightly in weight. I’ll concede 2g can feel more powerful in initial RPM but your not going to get a major stability affect or significant longer spin time on 2g difference in center weight

side effect weights

Side Effects


  • Aluminum Ultra Light: 2.5 grams
  • Aluminum Micro Caps: 2.52 grams
  • Aluminum Lego: 2.7 grams
  • Aluminum Lego Light: 2.6 grams
  • Aluminum Markmont.: 2.8 grams
  • Aluminum Dome: 2.9 grams
  • Aluminum Sakura: 2.9 grams
  • Aluminum Spike: 3.2 grams
  • Aluminum Mini Spike: 2.75 grams
  • Aluminum Flat Cap: 3.3 grams
  • Aluminum Energy Domes: 3.5 grams
  • Aluminum Stunt Peg: 4.0 grams
  • Aluminum CODE1: 4.0 grams
  • Aluminum Dietz: 3.0 grams
  • Aluminum Anti-Yo: 4.7 grams
  • Aluminum Mini Disk: 4.8 grams
  • Aluminum Disk: 7.2 grams
  • Aluminum 3yo3 Bassline 2: 2.7 grams
  • Brass Ultra Light: 5.2 grams
  • Brass Lego: 5.8 grams
  • Brass MarkMont.: 6.1 grams
  • Brass Dome: 6.6 grams
  • Brass Dietz: 6.5 grams
  • Brass Spike: 7.2 grams
  • Brass Flat Cap: 7.7 grams
  • Brass Energy Domes: 8.0 grams
  • Brass CODE1: 9.5 grams
  • Brass Mini Spike: 6 grams
  • Brass Micro Caps: 5.25 grams
  • Nickel Plated Disk: 7.4 grams
  • RSM: 11.2 grams
  • Titanium Micro Cap: 3.4 grams
  • Titanium Spikes: 4.55 grams
  • Titanium Kiss: 4.3 grams
  • Titanium Orb: 5.25 grams

Se weights pulled from OD site directly so I don’t get in trouble for posting external brands site link

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The lightest I have are AL Ultralights (2.5g) and the heaviest are brass Domes (6.6g). Going from one to the other you can definitely feel that 4g difference.

Best I can describe it is when I’m using the Legendary Terrarian, you feel the difference in power and agility. Basically the lighter ones make it feel more agile but less powerful while the heavier SE’s make it feel more powerful but more reluctant to movement and directional changes. The overall “feel” in play stays more or less the same though, just the speed and power changes, if that makes sense.

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I second this this. I have ultralights all the way to brass energy domes(8g) and I felt this too with my legendary Terraria and reboot.

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Aside from play feel, with center weight you’re not increasing the rotational inertia of the yoyo too much, but you are increasing the amount of force applied as the yoyo hits the bottom of the string. I am not smart enough to do calculations, but this should increase rpms from your throws up until you reach the limit of your response system.

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can you describe how it feels more powerful? did you feel a lot more kickback from the initial throw? or did you feel the yoyo spins faster when you touch it?

it’s fine bro, that’s why i asked here by any chance someone already tried the brass se, i’m just trying to understand the difference between rim weight and weight distribution, i personally only own a onedrop benchmark and a random se that comes with it when i bought it used

I would say both. More kickback on the throw, longer spin time, and more stability.

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ok thanks👍

Highly recommend getting some brass SE to play with. You can certainly feel the difference in play.


MMC with brass SE (i think they are the MM SE, they are the heaviest brass i own) and blue mini spikes. I almost always prefer to play with brass SE.

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MMC with the brass is what I also use, excellent pairing.

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I wish they made more MMC SEs just because they look so good.