Lightweight duralumin - for 2.38 mm (3/32") axle - 16.8 mm diameter x 4.25 mm total thickness - 0.6 g - M2.5 x 3 mm grub screw

This new family of angular contact spur gears are compatible with the triangular bearings of the Italian brand NSR, with the RT4 bearing from SC, and with most 3D chassis that are designed with a tighter angle parallel to the axis.