CZR i30 wheels were designed to handle it all, which is why they feature a strategically reinforced carbon layup and are hand built using double-butted spokes, brass nipples and high-engagement hubs featuring top-tier bearings and oversized freehub seals to establish themselves as wheels that simply won´t quit.- Usage:Trail and Enduro.- Rim size:27,5´´.- Rim inner width:30 mm.- Spoke holes:28 holes.- Lacing pattern:3-cross.- Material:Carbon.- Rim shape:Asymmetric with 5 mm offset.- Brake:Disc 6-bolt.- Colour:Black.- Lifetime Warranty (CZR carbon rim)