Here is the break down:

Just be sure to grab the Advent X Rear Derailleur and the Advent X Shifter to complete the set

continuously curved lens has a scratch-resistant treatment and Ri-Pel technology to protect your lenses from dirt

Fidlock mounting brackets sold separately

including pulley wheels

KMC K1 1-8 Wide Gold Single Speed Chain - Single Speed - Gold Needs Images Here is the break down:The KMC K1 3 32 Gold Single Speed Chain is a super strong and super light weight single speed chain. The high torsion strength coupled with the hollow outer and inner plates and pins enable give it a heavy duty structure that is up for the task on any single speed setup. Who's this item for: Any single speed bike that is in need of a new robust and lightweight chain Number of gears: Single speed only Width: This is a wide 1 8" chain Materials