Only the frameset left original from this Aventon Cordoba fixie. Sram Omnium, DT Swiss wheels, tubless Tufo tires 25c, Fizzik saddle, Dedda seatpost, Zipp stem, Dedda Pista dropbar. It weight less than 8kg and it is quite fast. I found 49/15 to be the best gear for me. Enough skid patches.