Bridlestone, a filly by 1996 Kentucky Derby (gr. I) winner Grindstone, brought the top price of $32,000 at the Fair Grounds Sales Co.'s select juvenile auction on Tuesday at the Fair Grounds in Louisiana. Consigned by James Pleasant and Doug Holden, she was purchased by Divine Equine.Produced from the 10-year-old unplaced Riverman mare Sabotica, Bridlestone is a half-sister to winners Don't Let Me Go (by Prospector's Music) and Sabotica Move (by Boone's Mill). As a yearling, Bridlestone was purchased by James and Corky Pleasant for $3,500 at the 2001 Texas summer yearling sale conducted by Fasig-Tipton and sponsored by the Texas Thoroughbred Association.In all, 30 juveniles were sold for a gross of $264,200 and an average of $8,807. Two older horses sold for a gross of $1,250 and an average of $625.