The arc shape of bicycle wheel is antique and fashionable,It ignites the desire of the creator and its free application in many fieldsWheel diameter: 66mmWheel thickness: 6mmCompatible with these interfaces:TT motor interfaceN20 motor（ Φ 3, D-axis)20T (SG90 steering gear)Lego spider25T (995/996 stee..
Raspberry Pi 4 Model BHere are the highlights:A 1.5GHz quad-core 64-bit ARM Cortex-A72 CPU (~3× performance)1GB, 2GB, or 4GB of LPDDR4 SDRAMFull-throughput Gigabit EthernetDual-band 802.11ac wireless networkingBluetooth 5.0Two USB 3.0 and two USB 2.0 portsDual monitor support, at resolutions up to 4..
Specifications:Diameter: 65MMWidth：About 27MM The outer ring is a rubber tire containing a sponge liner and a nylon hub for model robotic vehicles that can be connected to a hexagonal coupling.The aperture size of the coupling is: 3MM 4MM 5MM 6 MM 7MM..
Specification:outer dia:48mminner dia:4mmthickness:20mmPack with screws, no hub needed. One pack include:omni wheel 4pcs M3*20mm copper pipe 4pcsM3*25mm screw 4pcsM3*30mm screw 4pcstapping screw 4pcsThere are 4 sections in the wheel; each section has 3pcs rubber connecting each other by a 3*..