Bike Trailer Thru-Axle Adapter (Maxle (M12 x 1.75) - 174mm or 180mm ) Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Bike Trailer Thru-Axle Adapter (Maxle (M12 x 1.75) - 174mm or 180mm ) Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...