Wheels Manufacturing Sealed Bearings SB-6806(for BB30)-30.0/42.0/7.0 (Bag of 2)
High chromium steel bearing races. High quality rubber seals that won't interfere with the balls themselves. The seals simply seal out contamination without increasing any rolling resistance High quality lithium grease. These bearings are acceptable replacements for any OEM bearing, already on your bike, they are economical and long lasting
Grade 10 chromium steel balls. Round to within 10 millionths and twice as round as top of the line Dura Ace and Record loose balls.
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Wheels Manufacturing
{"Brand": "Wheels Manufacturing", "Material": "Rubber,Steel", "Item Dimensions LxWxH": "6 x 3.5 x 0.3 inches", "Bearing Number": "SB6806", "Specification Met": "Oem", "Bearing Type": "Ball Bearing", "Compatible Lubricant": "Grease", "Item Package Dimensions L x W x H": "4 x 1.9 x 0.3 inches", "Package Weight": "0.05 Pounds", "Brand Name": "Wheels Manufacturing", "Suggested Users": "mens", "Number of Items": "1", "Manufacturer": "Wheels Manufacturing", "Part Number": "SB-6806", "Included Components": "2 Bearings", "Outer Material": "aluminum", "Sport Type": "Cycling", "Date First Available": "April 23, 2011"}