Enduro/DH wheels with dent and flat resistant rim bead 30mm ID, 34mm OD double wall 6069 aluminum rim (40% stronger than 6061) Tubeless ready rims, tires mount easily without a compressor Wide bearing stance for reduced radial loading Hub end caps are easily replaced to fit virtually any axle standard (front includes 15x110 and 20x110 Boost end caps) 120-point, 6x3-pawl system engages every 3 degrees International Standard 6-bolt disc rotor mount Built with double butted spokes and alloy spoke nipples 29" has one spoke length, 301mm, front and rear, on both sides Lifetime warranty, crashes included 2044g f/r set TECH SPECS Model Atlas Size 29" Front/Rear Rear (XD) Axle/Spacing (mm) 12x150/157 Hub Vault Hole 28 Brake 6-Bolt Rim Atlas Internal W 30mm Depth 25mm Material Aluminum Type Tubeless Color (H/S/R) Black Weight - Axle Type XD