The Open Pro UST further improved. The Open Pro totally reinvented, with the high-end technologies of Wheel-Tyre Systems, including ISM4D and UST. The rim bed shape improves the mounting of any tyres, tubeless and tubetype. UST tape and valve delivered separately.

KEY BENEFITS

Wide and superlight

• 19 mm inner rim width
• ISM4D machining to save weight
• 430 grams

UST compliant

• Rim bed shape makes it easier to mount and change tires
• Improved rolling efficiency and comfort
• Easy to use

Improved finishing

• Black eyelets
• Matt finishing
• ISM4D machining for a unique design

KEY TECHNOLOGIES

• SUP welding technology

Stronger and smoother joint. After bending, the rim joint is arc welded. The welded seam is then milled for a smooth finish.

• UB Control brake track technology

The braking surfaces are precisely CNC machined.

• ISM 4D light rim technology

Inter Spoke Milling 4 Dimensions. An exclusive Mavic patented concept, ISM 4D significantly reduces weight and inertia without compromising durability. Quicker accelerations, better handling and more resistance; the right mix to make the most of any ride. The smooth profile also helps reducing aerodynamic drag.

Features

• Tubeless Ready (Mavic UST valve recommended - not supplied with the rim)
• Clincher
• Maxtal
• Low profile
• SUP/Welded
• Single eyelet
• Traditional drilling