Fulcrum  Racing Red 4 DB Wheel

$281.00to $343.00
Color: Black
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Balancing aerodynamics, riding precision and versatility, the Fulcrum Racing Red 4 DB wheel is ideal for climbing without sacrificing stability once your speed increases on the descent.


  • 34 mm, CNC-machined aluminum rim profile increases weight savings
  • Inner rim width has been increased to 19 mm so that it can easily fit 25 mm tires
  • 2-Way Fit rims can be used with either tubed or tubeless clincher tires, ensuring the widest possible compatibility
  • Anti-Rotation System creates solid and unmovable spokes and hub housing so the spokes never lose their tension, keeping the wheel reactive and centered
  • Anti-Rotation System keeps the spokes in a wind-tunnel-tested position to ensure the best aerodynamic penetration possible
  • Triple, square milling of the spokes enables maximum weight reduction on the rim periphery, producing an extremely responsive wheel
  • Axial Fixing System™ (AFS) fixes the disc brake to the hub, offering greater structural rigidity and therefore more precise and powerful braking
  • AFS is compatible with any Center Lock rotor; a dedicated external-threading lockring is included
  • Stainless-steel, rounded straight-pull spokes with aluminum nipples
  • Aluminum hubs and flanges with sealed cartridge bearings for easy serviceability
  • Feature striking laser-etched, weather-resistant graphics
  • Tubeless tape installed and valve included


View all Fulcrum Road Bike Wheels

Technical Specs

Item #222751
Best Use

Road Cycling

Wheel Type

Front 700C (12X100): Front Wheel

Rear 700C (12X142) Shimano: Rear Wheel

Freehub Standard

Front 700C (12X100): Not Applicable

Rear 700C (12X142) Shimano: Shimano Hyperglide (HG)

Tire Type

Tubeless Ready

Hub Brake Design

Center Lock Disc

Front Axle

Front 700C (12X100): 12 x 100 mm Thru-Axle

Rear 700C (12X142) Shimano: Not Applicable

Front Spoke Count

Front 700C (12X100): 24

Rear 700C (12X142) Shimano: Not Applicable

Rear Axle

Front 700C (12X100): Not Applicable

Rear 700C (12X142) Shimano: 12 x 142 mm Thru-Axle

Rear Spoke Count

Front 700C (12X100): Not Applicable

Rear 700C (12X142) Shimano: 24

Wheel Size


Internal Rim Width

19 millimeters

Tubeless Compatible


Rim Material



Front 700C (12X100): 830 grams

Rear 700C (12X142) Shimano: 937 grams

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