Check the listing for details. CeramicSpeed 6902 Bearing (61902). Condition: New. Listed at 110.00 USD. CeramicSpeed 6902 Bearing (61902) CeramicSpeed 6902 Bearing (61902) An upgrade option for cartridge wheel bearings that offer extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.Product Details: Grade 3 Silicon Nitride ballsHardened racesReinforced polyamide cage and non-contact sealsHand built in DenmarkHigh resistance to poor lubrication Specifications: Thickness: 7mmMaterial: CeramicBearing O.D. (mm): 28mmManufacturer Number: 61902Bearing I.D. (mm): 15mm *** Please check all specifics above, especially on Forks, Wheels, and Tires. Photos are often stock. Axle, steer tubes, and other specifics may vary. Store Policies Welcome to our eBay store! Shipping: We ship domestic only. All orders ship free. We try to get everything shipped same day or next day. Because of same day shipping and multiple locations most cancellations can not be accepted. Unwanted orders should be refused or returned. PLEASE NO PO BOX's Customer Service: For all questions please contact us with via eBay Messages. Shop Info and Return Address: Allied Cycle Shop 23101 Gratiot Ave Eastpointe, MI 48021 Online Phone Hours - M-F 12 - 5pm EST © Copyright 2020 Bicycle Addiction. All rights reserved.