lightweight twin stroller for travel INFANS Double Stroller, Foldable Baby Tandem with Djustable Backrest Canopy Footrest Mercedes-Benz All-Terrain GTR Stroller RS-7 Ultra Carbon Length:ET100MM2 / 10' 360 swivel front wheels

lightweight twin stroller for travel INFANS Double Stroller, Foldable Baby Tandem with Djustable Backrest Canopy Footrest Mercedes-Benz All-Terrain GTR Stroller RS-7 Ultra Carbon Length:ET100MM2 / 10' 360 swivel front wheels

Mercedes-Benz All-Terrain GTR Stroller

If that information is not available, you can skip the cushion entirely or replace it with an untreated cover

RS-7 Ultra Carbon

Length:ET100MM2 / 10'

I'm told not to go too hard as they will be very strong in tensile (stretching) strength but also brittle so could sheer in use.( I've tried normal bike axles and some do bend.) Referring to the diagram the inside cone (cog side) is drilled out

360 swivel front wheels