Looks like power multiplier, I think all these bikes are usually fixed.
I think its great that bikes incorporates the unlikely combination of Cook Bros, Colnago and Brooks.
They used motorcycles as they're the only tyres available which are rated to those high speeds. This limits wheel size so instead of using a ridiculous chainring size they multiply it.
They used motorcycles as they're the only tyres available which are rated to those high speeds. This limits wheel size so instead of using a ridiculous chainring size they multiply it.