As for the second question, it is more of a progression in cost; conversion => off the block fixie => nice actual professional track bike; custom track bike* (* because many people do not reach this point) and upgrading parts in between.
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¿pɐǝɹ oʇ sᴉ sᴉɥʇ ƃuᴉʎouuɐ ʍoɥ ǝǝs
Originally Posted by
veganbikes
Pound sign: Kilo TT