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1to1 YoYo - One Drop

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One Drop 1to1 YoYo


Description from manufacturer OneDrop:

"This project started with a simple concept: what if we made a yo-yo that had the exact same width and diameter? A yo-yo that was square in it’s proportions. 53 x 53mm to be exact.

This proportion makes the yo-yo really wide. On average these days, the width tends to be 70% - 80% of the diameter. A very average example is the SK at 75%. On the wide side, the Sugar Glider comes in at 84%. And on the narrow end, the Deep State is 50%.

What is really interesting is that if you just look at the 1to1, the width appears to be a bigger dimension than the diameter. It’s almost like an optical illusion. Put two of them next to each other, one standing up (see photo), and you can see that those dimensions are exactly the same.

In play, it’s very stable and has a huge catch zone which inspires confidence. The spin time is surprisingly long. It feels different.


First released: July 2019


  • Base Weight: 63 grams
  • Weight: 65.5 grams (with aluminum Ultra Light Side Effects)
  • Diameter: 53 mm
  • Width: 53 mm
  • Gap width: 4.22 mm
  • Stock Response: Original Flow Groove
  • Alloy: 6061 Aluminum
  • Finish: Pyramatte (tm)
  • Axle System: Side Effects (tm)
  • Bearing: Large (Size C) .250 x .500 x .187" (OneDrop 10 Ball)


    *** For intermediate/advanced players, this an non-responsive yo-yo capable of extremely long spin times. You will need to perform a "bind" in order to make this yoyo return to your hand.


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