Shimano Dura Ace WH-7900-C50-CL Carbon Clincher Wheelset compatibility and specifications

Shimano Dura Ace WH-7900-C50-CL Carbon Clincher Wheelset 50mm deep.

High speed cruising with astonishing acceleration. improved acceleration performance within aero dynamics.

Proprietary In -house Carbon rim construction -High modulus Carbon rim
Easy bearing adjust system
Increased axial Rigidity with over size A7075 Alloy axle
Double butted blade Alloy axle for ligther weight and aerodynamics

Model Number:WH-7900-C50-CL
Series: Dura Ace
Brake Type: RIM
Titanium Free hub body
Cassette Compatibility: 8/ 9 / 10 (can be used with an additional spacer for 10 speed)
Over Locknut: F:100mm / R:130mm
Axle Type: QR
QR Skewer Length: F:108mm/ R:141mm
Axle Length: F:100mm/ R:130mm
Axle Material: Aluminum
Hub Shell Material: Aluminum
Hub Shell Finish: Buffed/ Anodized
QR Lever Material: Aluminum
QR Lever Finish: Anodized
Rim Type: Tubular
Rim Size: 622x15C (700C)
Rim Material: Carbon/Aluminium
Rim Finish: Anodized
Rim Height: F:50mm / R:50mm
Rim Width: 20.8mm
Straight pull spokes for longer spoke life (front :16, rear: 20)
Spoke Gauge/Shape: Front: 2.0-1.8-2.0/ Straight pull, Bladed / Rear:RH:2.0-1.8-2.0 / Straight pull, Bladed LH:2.0-1.5-2.0/ Straight pull, Bladed
Spoke Material: Stainless Steel
Spoke Color: black
Average Weight: (747g front / 915g rear) 1.662g pair
Require to use Cassette spacer if mounting 10 speed cassettes 7900 / 6700 / 5700 (Not needed if mounting CS-6600 series)
Require Shimano Tool TL-LR15 for locking the cassette lockring. Will need also the Shimano Tool TL-SR21 to unlock the lockring.

Japan Retail price (Spring 2011) yen (see cross rate here)

Compatible with All Shimano HG 8, 9 and 10 speed cassettes.
Compatible with Shimano cassettes: CS-7900, CS-6700, CS-5700, CS-M980, CS-M771-10, CS-HG81-10

Also works with 10 speed SRAM cassettes; OG 1090, PG 1070, PG 1050, XG-1099

This is for road racing usage.