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Ceramicspeed
Ceramicspeed 61903 (6903) Coated Ceramic Bearing, 17 x 30 x 7 mm Ceramicspeed
€119.99
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€119.99 -
Recommended retail price by the supplier
€139.00
RRP €139.00
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Description
All CeramicSpeed bearings are meticulously hand-assembled in Denmark. The 61903 (6903) Coated model combines ultra-smooth Grade 3 silicon nitride balls (paired to within a micron) with hardened steel raceways featuring a special coating and an ultra-polished groove. The balls are held in place by a reinforced polyamide cage, offering performance that is 400% smoother, 128% harder, and 58% lighter than that of standard steel bearings in the cycling industry.
Each bearing is optimized with CeramicSpeed’s low-viscosity “Blue Grease” and protected by non-contact seals, preventing moisture and dirt from entering. The exclusive Coated treatment further increases the hardness of the raceways, making this bearing exceptionally corrosion-resistant. Versatile, it is perfectly suited for all disciplines: Road, Time Trial, Triathlon, Track, Cyclocross, and Mountain Biking.
Product highlights:
- Lowest possible friction for better power transfer.
- Exceptional corrosion resistance thanks to the “Coated” surface treatment.
- Ceramic balls that can withstand loads 99% higher and are 15% harder than other ceramic balls on the market.
- Ultra-durable design that can be fully disassembled for easy maintenance.
- Quality checked by hand four times during the manufacturing process.
- CeramicSpeed lifetime warranty.
Details:
| Product | 61903 (6903) Bearing |
| Version | Coated |
| Inner Diameter | 17.0 mm |
| Outer Diameter | 30.0 mm |
| Thickness (Width) | 7.0 mm |
| Warranty | Lifetime |
| Net Weight | 13.85 g |
| Gross weight | 15 g |
| SKU | 101275 |
MORE INFORMATION
Features
| Diamètre Interne Entretoise Roulement | 17 |
| Largeur (mm) | 7 |
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