This new racing 7 lg has been introduced for 2015 with one prupose in mind these wheels have been designed with a slightly wider rim to facilitate the easier use of 25c tyres his means the rider can benefit from better comfort better grip and slower tyre wear steel spokes with 2mm cross section provide high levels of tension and stiffness oversized flange on the drive side provides greater torsional stiffness increases reactivity at each change in rhythm of the pedal stroke superio