Sheepo's Garage: Alternative parts for rare soft axles
Any known way to bend/shape pneumatic tubes? - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Moc Technical Parts 1 Meters Technical Pneumatic Tube Internal Dia 2mm External Dia 4mm Compatible With Lego For Kids Boys Toy - Blocks - AliExpress
LEGO elemento 5102c03 - Dark Bluish Gray Hose, Pneumatic 4mm D. 3L / 2.4cm su BrickScout
LEGO 6352209 PNEUMATIC TUBE 128MM - BLACK
Pneumatic Wheel
A LEGO pneumatic hose with 4mm diameter (blue, 11.2 cm) : Amazon.co.uk: Toys & Games
Quickun Pneumatic Tubing 4mm x 2.5mm PU Polyurethane Tube Air Hose Line for Air Compressor Fitting or Fluid Transfer (Black 32.8ft/10Meters) - - Amazon.com