A mountain bike built for the streets, kind of.The 2010 Giant Roam 2 W is a hybrid (700c wheels!) built with a strong lean towards mountain bike geometry to create a bike that’s quick and nimble on the streets whilst plenty happy on light off-road trails.BR> Key Features: •24 speed Shimano EZ fire shifters •Shimano Alivio rear derailleur •SR Suntour fork with lockout •Lighter Shimano Acera chain set