Ksyrium Pro UST

The legacy of the Ksyrium family gets through a major step up: the lightest road tubeless alloy wheelset

Key benefits
Road Tubeless WTS by the inventor of UST
Lowest rolling efficiency
Best pinch flat protection
Highest safety with easiest mounting
Light and nimble alloy rim
Multipatented ISM4D brings rim weight and inertia to a level that is out of reach of our competitor, for unsurpassed climbing and descending abilities
Superlight Zicral spokes
Strong and stiff
Fore drilling makes for a solid rim/spoke connection while ensuring high rim stiffness and perfectly sealed rim bed for simple tubeless compatibility
Zicral spokes add stiffness while reducing weight
Specifications
Compatibility

Rear axle: Quick Release only
Front axle: Quick Release only
Freewheel: Shimano/Sram, convertible to Campagnolo and XD-R with optional driver bodies

Weight

Tyre 700x25: 260 grams
Pair without tyre: 1420 grams
Front without tyre: 605 grams
Rear without tyre: 815 grams

Hubs

Auto adjust sealed cartridge bearings (QRM Auto)
Freewheel: Instant Drive 360
Front and rear bodies: aluminum
Axle material: aluminum

Intended Use

For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels don't exceed 120kg, bike included
ASTM CATEGORY 2 : road and offroad with jumps less than 15cm
Max. Pressure tubeless: 25mm 7 bars - 100 PSI, 28mm 6 bars - 87 PSI. Max pressure tubetype: 25/28mm 7,7 bars - 110 PSI
Recommended tyre sizes: 25 to 32 mm

Rims

ETRTO size: 622x17TC ROAD
Height: front 24mm, rear 26 asymmetrical
Weight reduction: ISM 4D
Internal width: 17 mm
Valve hole diameter: 6.5 mm
Tyre: clincher
Drilling: Fore
Brake track: UB Control
Joint: SUP
Material: Maxtal

Spokes

Shape: straight pull, bladed, front double butted
Nipples: Fore integrated aluminum
Lacing: front radial, rear Isopulse
Count: front 18, rear 20
Material: Zicral

Tyre

Front and Rear Tread: 11 Storm single compound
Yksion Pro UST
UST Tubeless Ready
Dimension: 25-622 (700x25c)
Breaker: Polyamide, from bead to bead
Casing: 127 TPI

Versions

Color: Black only

Delivered with

Mavic tyre sealant (rear wheel)
UST valve and accessories
User guide
BR601 quick releases

Available technical data: