Engineered bogies with compensation for pitch and roll. Using sealed bearing races for low friction smooth running and no maintenance. The bearings are held in pockets which allows them to self align and for the axles to float sideways which helps reduce hunting. The bogie is constructed of 3 mm plywood with a central rigid box to create a very stiff durable structure.
Kit comes with 3 mm set screws, washers and nyloc nuts.
48 mm between wheel centres, 72 mm long. 32 mm gauge 58 mm wide, 45 mm gauge 71 mm wide. 3 mm pivot hole. 28 mm from rail level to top of rocker.
Full instructions supplied. Example general build guide available here