Shimano S-Phyre Flash Socks Heart rate monitor

Shimano S-Phyre Flash Socks Heart rate monitorMid calf length socks with knit aerodynamic ribs save precious seconds. Comfortable ribbed cushioning on the top of the foot. Knitted pile heel secures the foot while accelerating. Thinly knit sole creates a more direct connection with the shoe. Seamless toe construction for a more comfortable fit. Integrated sole ventilation for heat dispersion.

Fizik's most versatile saddle shape

as well as enough padding for all day comfort

Features at least five one-tooth jumps for a smoother gear progression

12x142mm rear hub to 12mmx148mm

thus providing ±1% accuracy in any conditions

34t minimum Front Derailleur Spec 34

lightning-fast and precise shifting

4 compounds in the tread (4C) for unparalleled traction on technical courses

55mm offset (47-54cm) 45mm offset (56-62cm)

Lightweight rimless frame designed for extraordinary comfort

Zipp Service Course SL Stem

The Close Fit effect produced by this particular shape makes the seat comfortable without having to use thick layers of padding and allows users to immediately find their most effective riding position