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Brand: Ceramic HybridMeasurement Unit: MetricInside Diameter: 17.00mmOutside Diameter: 30.00mmWidth: 7.00mmSeals or Shields: Non Contact Rubber SealsClearance: Standard
CH61903-2RZ (6903 2RZ) Ceramic / Stainless Steel Hybrid Bike Bearing - Metric 17x30x7.
These high quality and affordable Ceramic Hybrid bearings have been specially manufactured for the bike industry. The lighter ceramic balls allow the bearing to spin faster, and uses less energy to maintain its speed.
I change baring on my Sirocco35 wheel and the bearing "fits like glove" I mount it with only the force of the thumb'sDon't forget to order the bearing for the freehub like I did
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Saved a top quality racing bicycle titanium bottom bracket unit, with bearings costing half the price from elsewhere, for the same or better quality. Highly recommended.
Great service and products, highly recommended!
Simply great service and an apparently high quality component. Fitted as easily as any beating I've fitted before and runs far smoother than the original fit bearings in a SRAM roam wheel.
Firstly to service. Brilliant, ordered one day arrived the next, to Shetland! Second the bearings. I bought them as a replacement/upgrade for my Campagnolo Scirocco Wheel, the fit was perfect and so far the running is super smooth, whether they are any better than steel balls I don't know but they were 1/4 the price of CULT alternatives.
Very happy with these. Well worth the extra expense over standard items. My wheels now spin very very well.
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