Castelli Women's Endurance Bike Short Track Spikes Smarter features offer significant weight

Smarter features offer significant weight reduction( 32 Grams)

Perfect fit for maximum freedom of movement

Pocket Storage

Whistle Zipper Pull

From a treadmill class to bootcamp

Castelli Women's Endurance Bike Short Track Spikes Smarter features offer significant weightEndurance level comfort for every ride with Castelli's most comfortable seat pad. Endurance Evolution fabric provides optimum muscle support and feels drier in nearly all conditions Anatomic cut for perfect on bike fit Soft elastic at waist lies flat without binding Womens specific Progetto X2 Air Donna seamless seat pad for even greater comfort and improved airflow GIRO3 leg grippers lie flat