The Hope Tech 27.5in 32H Rim is manufactured with quality in mind. These popular rims are crafted from 6061 T6 Aluminium and come in three individual models. Hope Tech 27.5in 32H Rim Specifications 27.5 XC Rim Specs: Internal Rim Width - 21.6mm, Internal (Inside of Bead), Rim Width - 19.4mm, External Rim Width - 24mm, ERD - 567mm, Weight - 375g 27.5 Enduro Rim Specs: Internal Rim Width - 25.4mm, Internal (Inside of Bead) Rim Width - 22.8mm, External Rim Width - 28mm, ERD - 562mm, Weight - 510g 27.5 DH Rim Specs: Internal Rim Width - 29.6mm, Internal (Inside of Bead) Rim Width - 27.8mm, External Rim Width - 33mm, ERD - 555mm, Weight - 655g