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1PCS Bicycle General Headset Bearing MH-P04 45/45 30.15X39X6.5 mm Angular Contact Ball Bearings

Short Description:

Features:Precision-Tuned for Effortless Steering DynamicsEngineered exclusively


Product Details

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Features:

Precision-Tuned for Effortless Steering Dynamics

Engineered exclusively for bicycle headsets, this angular contact ball bearing delivers razor-sharp steering precision. Its precision-calibrated contact angle and micron-level machining harmonize radial and axial load management, eliminating play and vibration. The result is buttery-smooth, whisper-quiet rotation that translates rider input into immediate front-end responsiveness—creating an organic feel where bike and rider move as one.

Built to Endure Demanding Rides

Fortified with hardened raceways and dual-lip seals, this bearing repels trail grit, road grime, and moisture intrusion. Designed to resist cyclic stress from constant impacts and shifting loads, it maintains unwavering performance through mud, dust, and extreme conditions. Trust in consistent, maintenance-free precision whether tackling technical descents or logging urban commutes.

Universal Compatibility, Instant Upgrade

Seamlessly integrates with all major headset standards across road, mountain, hybrid, and e-bike platforms. As a direct-fit OEM replacement, it offers mechanics and riders a frictionless path to superior steering—no modifications needed. Elevate any compatible bike’s handling with race-proven reliability, reducing servicing needs while maximizing control in every riding discipline.

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TECHNICAL SPECS
Item:MH-P04 45/45
Bore Dia (d): 30.15 mm
Outer Dia (D): 39 mm
Width (B): 6.5 mm
Structure: Deep Groove Ball
Material: Bearing Steel
Closures: Rubber Seal
Lubrication: Grease
Magnetic: little
Hardness: 58HRC
Corrosion Resistance: General
Clearance: C0
Grades: ABEC-7

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