Shimano S-PHYRE Flash Shoe Cover - Black Size:S the strike of the bell

the strike of the bell is firm and fast

while an Instant Drive 360 freewheel coupled with our automatic bearing preload adjustment (QRM Auto) delivers fast engagement and durability

7 x 9 mm (oval)

1% efficiency)

Shimano S-PHYRE Flash Shoe Cover - Black Size:S the strike of the bellShimano utilized extensive wind tunnel testing when developing the S PHYRE Flash Shoe Covers in the quest to conserve as much energy for the rider as possible and to make every second count. Extensive use of elastic aerodynamic fabrics and a tightly wrapping, wrinkle free fit creates maximum aerodynamic efficiency. The tall cuff (which has a UCI compliant height) with wind cheating vertical grooves utilizes a no slip silicon grip fabric to keep these