CeramicSpeed 61903 Coated Bearing – (6903), Coated Bearing Race

Description

Upgrade your bicycle performance with the CeramicSpeed 61903 Coated Bearing (6903) – a premium, high-precision component designed for serious cyclists. Crafted for optimal efficiency and longevity, this coated bearing race features advanced materials and engineering to elevate your riding experience.

Materials & Performance:

Constructed with Grade 3 Silicon Nitride balls, these bearings deliver exceptional durability and low rolling resistance. The ceramic material reduces weight and enhances stiffness, ensuring minimal energy loss during pedaling for improved power transfer. The coated races are engineered with extreme hardness, significantly extending the bearing’s service life while providing superior corrosion resistance-ideal for all weather conditions and long-distance riding.

Components & Technology:

Equipped with reinforced polyamide cages and non-contact seals, these bearings effectively keep dirt, debris, and moisture out, maintaining optimal performance over time. The advanced coating technology on the races minimizes friction and resists wear, guaranteeing smoother rotation and reduced maintenance needs. Suitable for all cycling disciplines-from road to mountain biking, and gravel riding-the CeramicSpeed 61903 Coated Bearing is a versatile upgrade for any bike.

Style & Use Case:

Designed for precision and durability, these bearings are perfect for hubs, bottom brackets, or headset applications. Their sleek, professional build complements high-end cycling setups, making them a must-have for cyclists seeking to enhance ride quality and component lifespan. Hand-assembled in Denmark, each bearing is a testament to superior craftsmanship and engineering excellence.

Innovative Features & Benefits:

– Low friction ceramic silicon nitride balls for maximum efficiency

– Coated races increase hardness for enhanced durability and corrosion resistance

– Reinforced cage and non-contact seal protect against contaminants

– Resistant to poor lubrication, reducing maintenance frequency

– Suitable for all cycling disciplines and riding conditions

– Backed by a limited lifetime warranty for peace of mind

Specifications:

– Inner Diameter: 17mm

– Outer Diameter: 30mm

– Thickness: 7mm

– Material: Ceramic

– Manufacturer Number: 61903 (6903) coated

Upgrade to the CeramicSpeed 61903 Coated Bearing and experience unmatched performance, longevity, and efficiency on every ride. Perfect for cyclists seeking the ultimate in bearing technology, this premium component is a game-changer for your bike’s drivetrain and wheelset.

• Premium CeramicSpeed 61903 Coated Bearings featuring Grade 3 Silicon Nitride balls deliver exceptionally low rolling resistance and enhanced power efficiency for all cycling disciplines.
• Enhanced durability and corrosion resistance are achieved through ultra-hard coated races, significantly extending bearing lifespan and maintaining peak performance in challenging conditions.
• Engineered with reinforced polyamide cages and non-contact seals, these bearings provide superior dirt and moisture protection, ensuring reliable operation in varying environments.
• Innovative ceramic and coating technologies minimize friction and improve power transfer, offering a smooth, silent ride for athletes and recreational cyclists alike.
• Hand-assembled in Denmark, these premium bearings come with a limited lifetime warranty, making them a durable, high-performance upgrade for serious cyclists seeking longevity and top-tier engineering.