Featuring reinforced carbon fiber core that can be reused several times with addition of segments, GENIS CF Wheels are suitable for external cylindrical grinding of automotive components. Units feature thermally stable CBN grains within wear-resistant, vitrified bond, and porous abrasive layer that minimizes friction and heat generation in cutting zone. Wheels up to 700 mm dia are available for grinding truck crankshafts, while wheels up to 250 mm wide can be supplied for camshaft production.

http://news.thomasnet.com/fullstory/Vitrified-CBN-Grinding-Wheels-minimize-vibration-604005