YoYoFactory R4 Yo-Yo - Bi-Metal YoYo

From YoYoFactory:

A different take on a bimetal R-type.

Inner weight rings add drive and power to a nimble agile player. Big Tricks? Contest Freestyles? It's got you covered.

Specs:
Diameter: 56mm/ 2.20in
Width: 47mm/ 1.85in
Weight: 64.3g/ 2.26oz
Axle: 10mm
Pads: 19mm
Bearing: Large CT