A pair of tubulars weighs 1330 grams and costs $2500, and the clinchers (which depend on an aluminum tire bed and brake track) weigh 1470 and cost $2000. Look for the C35s in December 2010.
WH-7900-C24-CL · DURA-ACE Clincher wheel set with carbon laminated ultra thin aluminum rims · Rim height: 24mm · 16 butted, bladed, stainless steel spokes in the front and 20 in the rear wheel · Weight: 1395g per set · Availability in the market: November 2010
WH-7900-C24-TL · DURA-ACE Tubeless wheel set with carbon laminated ultra thin aluminum rims · Rim height: 24mm · 16 butted, bladed, stainless steel spokes in the front and 20 in the rear wheel · Weight: 1464g per set · Availability in the market: November 2010
WH-7900-C35-CL · DURA-ACE Clincher wheel set with carbon-aluminum rims · Rim height: 35mm · 16 butted, bladed, stainless steel spokes in the front and 20 in the rear wheel · Weight: 1627g per set · Availability in the market: October 2010
WH-7900-C35-TU · DURA-ACE Tubular wheel set with full carbon rims · Rim height: 35mm · 16 butted, bladed, stainless steel spokes in the front and 20 in the rear wheel · Weight: 1339g per set · Availability in the market: October 2010
WH-7900-C50-CL · DURA-ACE Clincher wheel set with carbon-aluminum rims · Rim height: 50mm · 16 butted, bladed, stainless steel spokes in the front and 20 in the rear wheel · Weight: 1662g per set · Availability in the market: April 2011
WH-7900-C50-TU · DURA-ACE Tubular wheel set with full carbon rims · Rim height: 50mm · 16 butted, bladed, stainless steel spokes in the front and 20 in the rear wheel · Weight: 1396g per set · Availability in the market: April 2011