Bred in the streets and tested to death by the fastest messengers of NYC, the Affinity Lo Pro is the industry standard pursuit style track frame set Bred in the streets and tested to death by the fastest messengers of NYC, the Affinity Lo Pro is the industry standard pursuit style track frame set The Lo Pro is an original take on pursuit style geometry, by creating a steep lo pro frame which is fast and aero yet comfortable to ride The makings of a mean race or street track bike, the Lo Pro frameset has a distinctive aggressive sloping top tube 4130 Cromo Tubing with 700c Lo Pro track geometry Affinity flat crown 1 inch straight blade fork - super tight clearance between crown and tire Fits 27.2 seat post * HEADSET NOT INCLUDED *