6066 aluminum with welded seams, uses the same basic structure as the Merritt Battle Rim but more compact, lightweight (but still strong) option for riders that don’t need the brutal strength of the Merritt Battle Rim. ###section### Product Specs WHEEL SIZE: 20" SEAM: Welded ERD: 390mm HEIGHT: TBC WIDTH: 39mm SPOKE HOLES: 36 WEIGHT: 17.7oz