READY TO SHIP Bottom Bracket Bearings HSC - CERAMIC bearing 6806-RS 30x42x7mm 21.7g HSCBEA0003000 €49.00 DIMENSIONS 30 x 42 x 7 mm BALL MATERIAL Si3N4 BALL GRADE 3 US Made Silicon Nitride ceramic RACES Cryogenically Treated Chromium Steel SEALS RS with low friction PRECISION ABEC 5 RETAINERS Polyamide nylon APPLICATION Bottom bracket WEIGHT 21.7g Add to cart