RockShox Maxle Ultimate Rear Thru Axle: 12x148, 188mm Length, Boost Compatible 2019 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... RockShox Maxle Ultimate Rear Thru Axle: 12x148, 188mm Length, Boost Compatible 2019 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...