The Cortex OS features a longer 35mm bolt to accomodate plastic pegs and to give a stronger female bolt setup

investment cast seatpost clamp and seatstay bridge

1-piece machined steerer tube and an integrated bearing race

The Intac is a lightweight aluminum post with built in micro adjust seat guts

Includes custom spacers to dial in cone adjustment

Shadow Penumbra Barraco Series 9 Mid Pivotal Seat Colour:White The Cortex OS features aSimone Barraco's signature colourway of the Penumbra celebrates a huge milestone of 10 years with Shadow! The design was inspired by athletics wear, thanks to Simone's love of street riding and 90s skating styles, the Penumbra boasts a real collegiate feel with its embroidered two colour SHDW script across the top. This seat is lightweight, is pivotal for individual seat angle adjustment and features a coffin shaped pivotal patch. ###section###