ARRMA Bearing 15x21x4mm (2)

This is a pair of 15x21x4mm Ball Bearings
for the Arrma Kraton 4WD BLX, and Typhon 4WD BLX.

FEATURES:
Super-smooth ball-races for fast and constant operation
May likewise be used in any application needing this size of ball
    bearing

CONSISTS OF:
Two 15x21x4mm Ball Bearings

SPECIFICATIONS:
Inner Size: 15mm
Outer Size: 21mm
Thickness: 4mm