AN CHICAGO NICKLE SUN SEEKER Oval chainrings specifically compatible with

Oval chainrings specifically compatible with Shimano cranks Dura-Ace 9100

Thermal nylon/spandex fabric

Premium perforated leather back with an adjustable leather wrist strap

Trek: 6-series Madone - 2010-2011 / Cronus CX Pro - 2012-2013 / Cronus CX Ultimate - 2012-2013 / Cronus CX Ultimate Frameset - 2012-2013 / Custom Madone 6 Series - 2012 / Custom Madone 6 Series SSL - 2012 / Custom Madone 6 Series SSL WSD - 2012 / Custom Madone 6 Series WSD - 2012 / Custom Speed Conc

AN CHICAGO NICKLE SUN SEEKER Oval chainrings specifically compatible with2 piece, 4130 heat treated chromoly construction 100 percent heat treated after welding for superior strength Tig welded and powder coated construction for a lasting durable finish 19mm cross bar