Models View all Aluminum OmniWheel 125mm 1 40 0 Plastic Omniwheel 100mm 1 138 0 Ball Bearing 26 x 10mm 0 130 0 Autonics Incremental Rotary Encoder E30S4 2 84 0 Ball Bearing 16 x 8mm 4 297 1 Mini PC Intel NUC6i7KYK 4 59 1