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Fulcrum Speed 55 DB Rear Wheel - 700, 12 x 142mm, Center-Lock, XDR, Black

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The Speed 55 DB wheels were designed for extreme racing conditions and aerodynamic performance, featuring high-profile 55 mm carbon rims, ultra-smooth ceramic bearings and disc brake hubs.

  • 55 mm high-profile carbon fiber rim with undrilled rim bed for added strength and simplified tubeless set ups
  • 19 mm internal width and 2-Way Fit™ technology for larger clincher or tubeless tires
  • Ceramic ultra-smooth bearings
  • 2:1 spoke ratio with disc brake hubs