The Shimano RTCL800 disc brake rotor was developed with a focus on reducing heat deformation. The result is quiet braking performance without sacrificing weight or heat dissipation giving riders consistent control on any terrain.Consistent braking performance on any long steep descent thanks to excellent heat dissipationRobust arm shape for quiet operation without sacrificing weight or heat dissipation TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Rotor Size (mm) 160 Pad Compatibility All Pad Compounds Rotor Type Two Piece Weight 114 keyword search GRX Hub/Disc Compatibility Center-Lock Rotor Size 160Mm