Roaring along Baghdad's highways, the "Iraq Bikers" are doing more than showing off their love of outsized motorcycles and black leather: They want their shared enthusiasm to help heal Iraq's deep sectarian rifts.

Weaving in and out of traffic, only the lucky few ride Harley Davidsons — a rare and expensive brand in Iraq — while others make do with bikes pimped-up to look something like the "Easy Rider" dream machines.

"Our goal is to build a brotherhood," said Bilal al-Bayati, 42, a government employee who founded the club in 2012 with the aim of improving the image of biker gangs and to promote unity after years of sectarian conflict.