The G23’s new RAR rim is a re-engineered version of our V23 wheelset and is built to withstand tough rides. We also managed to chop a big chunk of weight off - 300 grams to be exact! Built with robust D1 hubs and double-butted spokes this light-weight all-road wheelset is a must-have upgrade for any adventure bike.Key Features:TYRE TYPE Clincher Tubeless Ready,WEIGHT G23AB: 639 g (f) / 784 g (r), total: 1423 g G23AR: 682 g (f) / 824 g (r), total: 1506 g,RIM DIAMETER G23AB: 27.5\" (650c) G23AR: 29\",RIM MATERIAL Alloy,RIM WIDTH (EXTERNAL) 28 mm,RIM WIDTH (INTERNAL) 23 mm,RIM HEIGHT 22.5 mm,NIPPLES External,CASSETTE COMPATIBILITY Shimano / SRAM 10-11s or SRAM XD,SPOKE LACING 2 cross (f) and 2 cross (r),SPOKE COUNT 24 (f) and 24 (r),SPOKE TYPE Pillar PDB1416 Staight,DISC BRAKE COMPATIBLE Yes.