Pololu 22T Track Set - Black Shipping:1 day no soldering is required to

no soldering is required to connect it to the rest of your system

It has all the features of a normal RedBoard and is just as easy to use

which is Futaba-compatible

5mm x 26mm (1

Pololu 22T Track Set - Black Shipping:1 day no soldering is required toThis track set includes a pair of 22 tooth silicone tracks, two black drive sprockets measuring 35 mm (1. 4) in diameter, and two matching idler sprockets along with mounting hardware. To work properly with the track, the drive and idler sprockets should be set up approximately 48 mm (1. 9) apart. The drive sprockets are designed to work with 3mm D shafts, such as those on our micro metal gearmotors and mini plastic gearmotors. These are the same