The 58 mm deep section wheelset excels where aerodynamics and holding high cruising speeds are required. They spin up agressively fast and roll on smoothly at high-end speed. Low spoke count bladed spokes slice the wind. The new lightweight high–low hub flange is engineered to carry balanced spoke tension on all spokes for increased side to side stiffness and strength. The 3 spoke lacing groups result in consistent spoke tension and share the load equally for increased wheel durability. The 58mm wheelset is also a good choice for larger athletes and cyclocross. New high TG resin brake surface system for improved braking. Carbon specific brake pads are recommended. Many extras are available to customize the ride. For the competitive rider determined to realize maximum riding potential.We recommend Carbon 58 Tubulars for the serious cyclist who demands performance for racing and special events. The wheels are light, stiff, aerodynamic and fast for road and triathlon. »Defiantly fast«, says Legendary Triathlete Joe Bonness.DISCIPLINE Road / Triathlon / CyclocrossWEIGHTFront 612gr Rear 844gr Pair 1456grHUBS / SPACINGFront Micro 58 100mm Rear AC High-Low Flange 130mmREAR SPLINESpline Shimano / SRAM 9 / 10 or Campagnolo 9 / 10 / 11 Style SplineLOOK & COLOURAC Alphatype Black with Red HubsEXTRASCeramic Bearings, Titanium QR's, Wheel Bags, Sapim CX Ray SpokesRIMSNew Carbon 58mm Series 3 Tubular Rims 700cSPOKES AC Bladed Spokes BlackNIPPLESAC Aluminum Nipples Silver 18h Radial Front, New 24h 3-Cross Rear Drive Rear, Radial Non-Drive