WTB I45 27.5" 650b MTB Plus Bike Wheelset BOOST SPACING Tubeless Fits Shimano Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... WTB I45 27.5" 650b MTB Plus Bike Wheelset BOOST SPACING Tubeless Fits Shimano Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...