W420 steel ball wheel for smart car ( สินค้าในไทย )

W420 Universal steel ball wheels for smart car Product Parameters: - Steel ball size and material: Φ15, nylon / steel (optional) - Bracket material: nylon - Fixing hole distance: 40mm - Fixing hole diameter: Φ3.1mm - Overall height of caster: 20mm - Load-bearing: Recommended load is less than 100g - Weight: 17.7g รายละเอียดสินค้า - Weight: 17.7g - Steel ball size and material: 15, steel - Bracket material: nylon - Fixing frame hole distance: 40mm - Fixed hole diameter: 3.1mm - Overall height of universal wheel: 20mm - Bearing capacity: recommended weight less than 100g