Extralite CyberClimb A25, with only 780 gr. total weight (front + rear) are the lightest wheelset in the world! Assembled with exclusive Extralite "CyberHubs SP" fully CNC aluminum Made in Italy hubs and AX Lightness "Ultra 24" 700c tubular rims, 25 mm height and 20.5 mm width, top quality Made in Germany with F1 technology, up to 130 kgf spoke tension and 100 Kg max rider weight guaranted! Pillar "MegaLite SS" triple butted straight pull bladed aero spokes, internal self locking nipples. 20+24 h. Shimano/Sram 10/11s or Campagnolo 9-10-11s or Sram XDR freewheel body.