History / About
Undersea Storm is a yo-yo sold on yozean.com, the shared online store of Shenzhen-based R2FG. The store lists it as designed in Shenzhen, released in 2025, with Aluminum (A7075) body and Stainless Steel 304 rim and a curved bearing, size C (large).
Specifications as listed by the store: diameter 56.00 mm, width 48.36 mm, weight 66.00 g, response Slim (OD 19mm), axle M4 x 8mm.
Listed under the ‘yozean’ vendor label on yozean.com, the store shared with R2FG; per-model brand attribution (R2FG vs Riesenwellen sub-brand) is not stated by the store.
