Para a malta que defende os casquilhos e que responde sempre que a Turner ainda usa:
http://www.pinkbike.com/news/turner-rfx-v40-enduro-review-2016.html
Details abound on the newest Turner, beginning with the use of ball bearings in the pivot locations. Turner, who had been a staunch supporter of composite bushings, switched to Enduro Max ball bearings for the RFX because they allegedly enhance the suspension's response to small bumps, and because their full-compliment ball configuration is specifically designed for a bicycle suspension's high loads at low rotational speeds.