SIDI Prima Road Shoes - Women's White/Black 42 MFPN=CS4HAA-124 4 Width (CM) 6 D:

4 Width (CM) 6 D: BB Length (IN) 9

Replacement rear axle for Sun Ringle's SRC hub

Asymmetric

Wide step & smooth low drag bearing may reduce exhaustion and improve pedaling effiency

SIDI Prima Road Shoes - Women's White/Black 42 MFPN=CS4HAA-124 4 Width (CM) 6 D:The SIDI Prima is designed for the modern rider. The Prima is easy to wear and adjust thanks to its Firmor closure and lightweight upper built to reduce foot fatigue. Its low profile carbon nylon Aerolite Sole is engineered for efficient power transfer for sprinting with enough flex and comfort for long rides. The Single Tecno 3 System creates a perfect balance between the shoes internal and external side providing an excellent fit while adapting to