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| MK1 YoYos x Spinworthy Red Blood Cell (RBC) |
| Exhibit #4366 |
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| Type | Production |
| Shape | Specialty |
| Axle | Bearing |
| Finish | Anodized |
| Color | Red |
| Packaging | Display Boxed |
| Construction | Multi-piece aluminum |
| Diameter | 55mm |
| Width | 34mm |
| Gap | Fixed |
| Gap Width | 2.3mm |
| Weight | 48gm |
| Condition | Mint |
| Date | 2021 |
| Owner | Rick Brough |
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The Red Blood Cell, nicknamed the RBC, is a lightweight, hollow-bodied yo-yo made out of 7068 aluminum and designed for original (responsive) play. The RBC actually started out in early 2020 as a wooden, fixed axle yo-yo made by the maker Spinworthy Yo-Yo, based out of Australia. It debuted with the name Blood Cell and was released in small quantities. MK1 YoYos came along in 2021 and took the original Blood Cell design and worked with Spinworthy to adapt it to an aluminum body with a ball bearing axle.
The RBC uses an uncommon axle size, ball bearing, and response pad size. Note the engraved text MK1 YoYos and Spinworthy visible under the translucent response pads. All RBC yo-yos had this engraving.
From MK1 YoYos:
"Rather than using an A sized bearing, we decided to use a smaller MR85 bearing that is only 8mm in diameter, the same as the wooden axle in the original wooden Blood Cell. This bearing combined with the same gap width as the original is intended to replicate the ideal play characteristics of fixed axle yoyos with the smoothness and power of metal. The result is a very reliably responsive yoyo, even with a dry bearing."
Released December 20, 2021
Recipe
Grade: A
Diameter: 55mm
Width: 34mm
Weight: 48gm
String gap: 2.3mm
Material: 7068 aluminum
Axle: M3 × 12mm
Bearing: MR85 (5mm × 8mm × 2.5mm)
Finish: Anodized matte, red
Original retail price: $85
See also these other A-grade RBC versions.
• Red Blood
• Gold (Rhnull)
• Watermelon (Low HP)
• Blue Blood
• Clear
• Black (Unknown edition) | |
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