Formula 27.5" Blizzerk 32h Fat Bike Wheelset 6 Bolt 15 x 150 12 x 197 XD 11/12 Speed Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... Formula 27.5" Blizzerk 32h Fat Bike Wheelset 6 Bolt 15 x 150 12 x 197 XD 11/12 Speed Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...