Genius X Men's Dura-Ace Di2 •Rim Width: 21mm

•Rim Width: 21mm

The vertical strings are made of Vectran (tm)

TrainingPeaks Virtual

Never worry about adjusting your bicycle components incorrectly again with this highly accurate mobile torque wrench

Constructed from a High Performance | Sensitive Fit fabric that is extra-quick drying and highly chlorine-resistant for superior performance from the beach to the neighborhood pool

Genius X Men's Dura-Ace Di2 •Rim Width: 21mmThe icon of comfort and performance. An icon reimagined for modern riders, GENIUS X Microfiber balances comfort and control for any riding style. Its high grade microfiber upper is supple against the foot but structurally firm, delivering a secure, skin friendly fit that holds under pressure. Dual NUUN dials and a High Density Instep ensure precise adjustment, while the R3CC carbon composite sole and External Heel provide stable, efficient power