Cycling Bargains - Fawkes Cycles Fulcrum Hub Bearing (4 pcs) - R4-004 | Free delivery over £40, 0% finance & 90 day returns. (fawkes-84149)
Fawkes Cycles Fulcrum Hub Bearing (4 pcs) - R4-004 | Free delivery over £40, 0% finance & 90 day returns.
Product Description
Fulcrum Hub Bearing Spare Part R4-004 The Fulcrum R4-004 hub bearing is an OEM-spec sealed cartridge bearing engineered for use in Fulcrum’s mid-range alloy hub systems. Designed to deliver consistent rotational efficiency and long-term durability, this bearing is widely used across multiple Fulcrum road wheel platformsparticularly within Racing and Wind series hubs. Precision-manufactured and factory-specified, the R4-004 ensures proper hub preload, smooth rolling performance, and resistance to contamination under real-world riding conditions. Key Features OEM Fulcrum spare part (R4-004) for exact fit and performance Sealed cartridge design for protection against water and debris Low-friction operation for efficient power transfer High durability under load for training and endurance use Used across multiple hub generations Verified Compatibility Current / Recent Models Series Model Brake Type Fitment Scope Wind Wind 40 / 400 Rim Front & Rear hubs Racing 4 / 400 Standard Rim Front & Rear hubs Racing 5 / 500 Standard Rim Front & Rear hubs Racing 6 / 600 Standard Rim Front & Rear hubs (Source: Fulcrum Spare Parts Catalogue, hub schematics showing repeated R4-004 usage ) Legacy Models (Backward Compatibility) Series Model Variant Brake Type Fitment Scope Racing Quattro Carbon Clincher Rim Front & Rear hubs Racing Quattro LG Clincher Rim Front & Rear hubs Racing 5 LG Clincher Rim Front & Rear hubs Racing 7 LG Clincher Rim Front & Rear hubs (Source: Fulcrum Spare Parts Catalogue ) Fitment & Technical Notes Typically used in multiple positions per hub (often specified as 4 pcs per assembly in Fulcrum diagrams) Found in both front and rear hubs , depending on model configuration Common across cup-and-cartridge hybrid hub designs in Fulcrum alloy wheels Designed for standard steel-bearing systems (non-USB / non-CULT) Important Compatibility Notes Not compatible with_ Racing Zero / high-end hubs (use different bearing systems) USB or CULT ceramic bearing systems Most modern Fulcrum disc brake hubs (different bearing specs) Always verify_ Hub generation and revision Bearing dimensions before installation Ideal For Hub servicing and overhaul Replacing worn or noisy bearings Maintaining original Fulcrum ride performance
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