Used on your rear hub, Reynolds 6 Pawl Freehub Body is revolutionizing the sport €“ from club level to pro team! With 72 points of engagement per revolution and an increase in performance of your wheelset, this freehub will hold your cassette in place and will stop pedaling at speed to keep your feet still. TRS FREEHUB XD 6 PAWL 3 BEARING Part Number: 22151 Barcode: 847863022165 Product Code: REY Z 22151