Set of four 17 mm orange-anodized aluminum wheel hubs combine high-profile looks with superior strength. The special splined design locks into Traxxas splined wheels for precise alignment and unsurpassed grip. Includes 4x5 mm grub screws (4), and 3x14 mm pins (4). PLEASE NOTE: Maxx models require 8980X (standard width) or 8996X (WideMaxx^®) Steel constant-velocity driveshafts for compatibility.