Check the listing for details. CeramicSpeed 61802 Standard Bearing - (6802). Condition: New. Listed at 110.00 USD. 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.Grade 3 Silicon Nitride balls. Hardened races. Reinforced polyamide cage and non-contact seals. Hand built in Denmark. High resistance to poor lubrication. Intended for: Road, TT, Tri, Track, Cross, and MTB. Sold each. Item Specifications: Bearing I.D. (mm), 15mm, Thickness, 5mm, Bearing O.D. (mm), 24mm, Manufacturer Number, 61802, Material, Ceramic, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us