The project starts
I bought some essential components in Boston last week from an awesome shop specializing in single speeds and track bikes:
- a pair of wheels - These don't have a quick release skewer like normal wheels as the rear wheel needs to be held firmly to keep tension as there is no rear derailleur. The rear wheel is what is known as a flip flop as it allows you to have a fixed gear one side and a freewheel on the other; you just lip the wheel around to change over.
- chain ring and cranks - only one ring needed as I only want one gear. This saves modifying a normal one; and it's nice and shiny!
- rear cog - this is fixed to the wheel so it rotates at the same rate so I cannot coast. This makes cornering and downhills interesting!
- rear freewheel cog - a single gear but able to freewheel so I can coast down big hills if I get tired.
- chain - rear gears are packed tightly onto a cassette to save space for the rest of the wheel and this requires a narrow chain. My chain can be wider as I only have one gear; this extra strength is useful for braking when using the fixed gear.
- bottom bracket - the cranks fit onto this and it contains nice sealed bearings. They threw this in for free considering how much the rest cost me.
I bought the bike for $40 from Fernando, a pre-law student currently studying for his finals. It was advertised on "craigs list" which is a local listing classified, which turned out a lot cheaper than ebay. His mum drove him and the bike to me at work which even saved me from navigating across Arlington. Most of the components are ropey, but I was planning to replace most of them anyway. The frame is in pretty good nick considering it is about twenty five years old, but importantly it does have diagonal rear dropouts which will allow me to tension the rear chain by moving the rear wheel.






