Bontrager Aeolus XXX 4 TLR Disc, 47mm rim depth, featuring high-strength OCLV carbon, excellent crosswind stability, and a 21mm internal width (28mm outer) for optimal modern tire support. It uses DT Swiss internals for reliable, fast engagement and is tubeless-ready. DT aerolite spokes , 1.480 gr. weight , comes with Shimano Durace 11-30 12 speed cassette , Shimano xtr mt 900 rotors and Continental grand prix 5000 s tr 28 tyres