from The Century Dictionary and Cyclopedia
- n. A pipe for carrying compressed air to an air-brake cylinder.
Sorry, no etymologies found.
- Notice there are no brakes on the bike, though hydraulic brakes could be used with the brake-pipe running through the frame - also if it's a fixed wheel bike, as many are in London, there is no need for a gear cable, one would also, therefore only need a front brake so no cables going to the back.
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