For Dirt Jumpers and Park riders who don't use a front brake. Lateral wheel strength increased by widely spaced spoke flanges . 20x110mm thru-axle compatible with 2 oversized sealed bearings. 200g. Optional conversions for regular 9mm quick release, 15mm thru-axle, nutted 3/8" or nutted 14mm sold separately, see HALO axle conversions