E=mc2 (B-Grade)

yoyorecreationSKU: yyr-emc2

Price:
Sale price$144.99

Payment Method

  • PayPal
  • Credit Card: Visa, Master, AMEX, JCB
  • Apple Pay
  • Google Pay
  • Shop Pay

Shipping Method

  • Small Packet / EMS (Japan Post)
  • FedEx

Import Tax / Customs:

All customers outside of Japan are subject to be levied import tax or customs fees. Especially, EU, Israel, and Brazil customers!

You are responsible for paying the import tax and duties levied by YOUR country. This amount is decided by your government, so we cannot tell you how much they will charge in advance.
Please be aware of this potential cost. We cannot accept any returns or cancellations due to issues with Tax and Duties. For more details, please check your government customs web site. It is completely out of our control and we cannot do anything about these kinds of fees.

For more information on payment and shipping, click here

If you have any other questions, please contact us using this contact form.

ll yo-yos have passed the manufacturer's inspection. Different manufacturers have different standards for product quality. Basically, products that can be used normally are within the product specifications.

Examples of possible initial defects : If you notice any of the following symptoms immediately after opening the product, it may be due to an initial defect.

  • (Bind model only) The bearing barely turns even when flicked with a finger.
  • Even after calming the vibrations with a rotating middle finger, the yo-yo still vibrates so much that it appears to change shape.
  • Parts that should have been installed (bearings/pads) are not installed

Examples of items that are not considered initial defects

  • Damage to the package
  • Color image difference
  • Bearing noises after playing a few times
  • A yo-yo that was delivered in a properly assembled state, but after being disassembled, could no longer be assembled
  • Scratches and paint chips inside the bearing area
  • The color unevenness of the yo-yo is not noticeable from a distance.
  • Paint chipping that is not visible from a distance
  • Scratches on the yo-yo that are not visible from a distance and are barely noticeable when touched with your fingers

For other competitive yo-yos, please click here.

Description

yoyorecreation - E=mc2

It is a B-Grade E=mc2 (Raw). It does not have a package.

"E=mc2" is Hiro Irifune’s (AKA Roan) signature model of the new Stardust variations “Tatsuya vs. Roan.”

Due to the product design, it has a very high chance of having some vibes. Specially after you unscrew or hit them on the ground. Please understand the nature before you order.

Having played with YYR’s original Stardust since its first prototype, Irifune has earned his first signature model, the “E=mc2,” also known as his "Relativity Theory." Irifune upgraded the specs of his beloved Stardust, giving it a flat side, and a more rounded shape with a low edge. Using 7075 Aluminum and YYR’s latest technology, E=mc2 offers power and control, a true successor to the much-adored Stardust.

Released at the same time as the E=mc2, Tatsuya Fujisaka’s Blink has the exact same body but at a lighter 65 grams, compared to the E=mc2’s beefy 69 grams. It makes one wonder why there would be two identical models with the same weight, but once you try them for yourself, you will understand.

It’s the return of the much-loved Stardust; the same yo-yo in two different weights. Will you choose the light and nimble Blink, or the heavier E=mc²?

Please note: YYR uses 7075 aluminium alloy to seek their best performance. 7075 is not a great material for anodizing, so YYR yo-yos have anodizing imperfection and small spots, scratches on their bodies. They seek the best performance, not always the best cosmetics.

BEFORE YOU BUY YYR YO-YOS, PLEASE READ THIS. (Please read the red paragraph)

>> Tatsuya VS Roan by yoyorecreation


More Information

ブランドyoyorecreation
シリーズ

nothing special

シグネイチャー

Hiro Irifune

スタイル

String tricks (1A, 3A, 5A)

対象年齢

No particular indication

ブランド国

Japan

発売年

2010

重さ (g)

69.0

直径 (mm)

52.0

本体幅 (mm)

42.0

トラピーズ有効幅 (mm)

39

ボディ形状

Step Round

ボディ素材

Aluminum or duralumin

リム種類・素材

none

ベアリング・軸の種類

Curved bearing

ベアリングサイズ

Size C (Large)

レスポンスシステム(サイズ)

Ring Size

アクセル(軸)

-

分解

Possible

スペーサー

none

バインド

Bind required

表面加工

No smooth finish

メンテナンス

Pad/sticker/O-ring replacement


→スペック表の見方はこちら

 
Brandyoyorecreation
Series

nothing special

Signature

Hiro Irifune

Style

String tricks (1A, 3A, 5A)

age

No particular indication

Designed in

Japan

Release Year

2010

Weight (g)

69.0

Diameter (mm)

52.0

Width (mm)

42.0

Trapeze Width (mm)

39

Body Shape

Step Round

Body Material

Aluminum or duralumin

Rim

none

Bearing Type

Curved bearing

Bearing Size

Size C (Large)

Response System

Ring Size

Axle

-

Twist-apart

Possible

Spacer

none

Bind

Bind required

Surface

No smooth finish

Maintenance

Pad/sticker/O-ring replacement

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