Description and materials - New Atomz 20" front rim, made from high quality 6061-T6 aluminium, with a super light single-walled design which offers a better braking performance compared to the rest of rims and also saves weight. - 39mm wide profile, which offers a great anti-roll performance, even at the lowest pressures, and helps reduce weight at the front. - Single wall extrusion, with rectangular 25X17mm holes, saving a good few grams without compromising its strength. - 32 holes orientated on the center of the rim, only suitable for hubs with 32 holes. Dimensions - 39mm wide - Ø 394mm in internal diameter(ERD) - 32 holes Finishes - High quality anodised white finish Weight - 424g Additional information This rim will only suit hubs with 32 holes.