Specifications:

Silver Edition Motors

KV: 14,800
Speed: 55,000 RPM (@ 3.7V)
Lifetime Rating: 5-6 hours
Dimensions:

Can Diameter: 6mm
Can Length: 15mm
Shaft Diameter: 0.8mm
Weight: 1.85g
Plug: Micro-JST-1.25
Package Includes:

4 SILVER Edition BDR motors (2 CW, 2 CCW)