99-18 YAMAHA YZF-R6: Woodcraft Aluminum Swingarm Spools (6mm) (Red) Make the most of your rear stand. Woodcraft swingarm spools are designed wide for easy stand location with raised lips on their outer edges for security. Your stand will work even better when coupled with these spools. All sizes are hard anodized for a protective finish.Designed wide for easy stand location.With raised lips on the outer edges for security.Hard anodized for a protective finish.Sold as a pair.