The 2015 Trek SL is a 16 pound a road bike with a carbon Ultralight 500 Series OCLV / E2 frame. The frame has a  Crystal  White  /  Trek  Cyan finish.

The SL Road 3 is a is a light bike at around 15 pounds. It was released in 2015 and costs $3,149 brand new. The SL Road 3 is fully rigid.

Components

The SL Road 3 comes with Shimano Ultegra components, including a Bontrager Race X Lite stem, an integrated sealed headset and Shimano Ultegra shifters.

Drivetrain

The SL Road 3 has 11 speeds and has Shimano Ultegra rear cogs and a Shimano Ultegra derailleur.

Wheels

It comes with Bontrager R2 Hard-Case Lite tires (622mm x 23mm) and rims.