The 2015 Trek SL is a 15 pound a road bike with a carbon Ultralight 500 Series OCLV / E2 frame. The frame has a Trek Black finish.
The SL Road 2 is a is a very light bike at around 15 pounds. It was released in 2015 and costs $4,729 brand new. The SL Road 2 is fully rigid.
Components
The SL Road 2 comes with SRAM Red components, including a Bontrager Race X Lite stem, an integrated sealed headset and SRAM RED 22 shifters.
Drivetrain
The SL Road 2 has 11 speeds and has SRAM X-Glide 1190 rear cogs and a SRAM RED 22 derailleur.
Wheels
It comes with Bontrager R3 Hard-Case Lite tires (622mm x 23mm) and rims.