Aluminum modular hubs cover a multitude of applicationsConvertible to standard QR, 12, 15, and 20mm thru axleRear hubs and cassette bodies feature 6 pawls / 54 points of engagementAvailable in standard or straight pull designSealed bearingsWheel building measurements available at www.jbi.bikeRR8-11s Cass32H12TAAlyBlk6B197585855.6548.654348.3UPC/EAN/GTIN: 888571016114