Metron 45 SL TL Disc WheelsetCarbon wheelset produced with Vision reliability and high performance technology Artisan built, entirely by hand Full carbon 45mm depth rim tubular or tubeless clincher Centerlock rotor mount 21 spoke front, 24 spoke rear, 2: 1 laced Aero bladed straight pull spokes and ABS locking spoke nipples 6 sealed cartridge bearings (2F+4R) New PRS aluminum hubs Available with Shimano HG or Sram XDR freehub Comes with TA end caps for 12x100 and 12x142 Front