Schwalbe AV4 Folding Bike Inner Tube 16 18 inch Schrader Category_Indoor Training Desk combined with the shape

combined with the shape

down swing

Reid alloy flat bars

SHIMANO GRX Front Derailleur 2x10-speed

Schwalbe AV4 Folding Bike Inner Tube 16 18 inch Schrader Category_Indoor Training Desk combined with the shapeSchwalbe AV4 Tube Schwalbe Tube AV4. Reliable, high quality and very air tight inner tubes from Germany's number one manufacturer. All valves are nickel plated and valve inserts are replaceable. Sized for Brompton folding bicycles. Fits ALL tires that are compatible with your Brommie. Fits all of the following size tires: (37 340) 16 x 1 3 8" (28 349) 16 x 1. 10" (35 349) 16 x 1. 35" (37 349) 16 x 1. 40" (28 355) 18 x 1. 10" (35 355) 18 x 1. 35"