Princess Boost CL front hub

The Princess Boost CL is chosen by elite racers around the world! A super light hubshell, Ceramic- or Endurance-bearings, Carbon flange-reinforcement and different endcaps offer you countless customizing options. Now available for the popular Centerlock* disc-brake mount! Each material was selected to achieve the lowest weight possible. The aerospace grade Aluminium with increased fatigue strength has been used to obtain the fine geometrical tolerances and the complex shape. The falnge geometry has been optimized to increase the lateral stiffness of the wheel. Just like any Formula One car this hub is ideal for competition and just like any race car this hub needs an inspection after each "Grand Prix" in order to maintain its top performance.

Technical data

Colours: available in all Tune anodised colours
Max. rider weight: 90kg
Max. system weight: 105kg
Weight: from 89,1g - 15x110mm CL
Max. spoke tension: 1100N
Axle type: available in 15x110mm with Aluminium or Carbon Endcaps
Bearing Type: Ceramic- oder Endurance-bearings
Brake type: disc brake
Brake Interface: Centerlock disc-brake interface
Notes: Threadlock residue must be removed before installation. The brake rotor must be fastened with a calibrated torque wrench to a max torque of 5Nm.
Recommended spokes: Sapim CX-Ray or equivalent spokes

Dimensions for 6-bolt with axle type 110mm

Flange distance left: 26,5mm
Flange distance right: 37,4mm
Pitch circle left: 51,6mm
Pitch circle right: 28,2mm
Diameter spoke holes: 2,4mm
Offset spoke hole left: 1,5mm
Offset spoke hole right: -

*Center Lock rotor mounting system licensed by Shimano