Carbon 25mm deep disc rim (32mm outer/26mm inner width) with a tubeless ready profile Center Lock Grade 54 hub 54t ratchet and 6.6 degree engagement Enduro Abec5 LLB/LLU bearings Pillar Wing 20 spokes 24 spoke count front, 24 spoke count rear Pillar double square alloy nipple 2X both sides front 2X both sides rear Recommended to fit 36mm to 55mm gravel tires Tubeless Rim Tape Installed Shimano Hyperglide, Shimano Microspline, SRAM XDR, Campy, Campy N3W freehub bodies available, sold separatey Tubeless Valves Installed 275lbs rider weight limit