MAVIC Ksyrium S rear road bike wheel

Thanks to Mavic’s proven technologies and design, they offer intelligent improvements for all types of rides—whether racing, gran fondo, or training. Made in France, these wheels are designed to significantly enhance the performance of any bike while remaining accessible and easy to use.

Key features of Mavic rear road bike wheel :

Rims

• Material : Maxtal (high-end aluminum alloy)
• Brake Type : Rim brake
• Tire Compatibility : UST Tubeless Ready (tubeless-ready)
• Internal width : 19 mm for better stability and grip
• Height : 22 mm

Technologies :

• SUP (Ultra-Precise Welding): Strong and lightweight rim
• Fore Tubeless: No rim bed required, saving 60 g per wheelset compared to traditional wheels
• Drilling : 18 holes (front) / 24 holes (rear) for a perfect balance of lightweight and stiffness
• Weight : Rim only: 430 g
• Total savings : 60 g lighter than the previous Ksyrium UST, while being wider and stiffer

Hubs

• Instant Drive 360 : Quick freehub engagement for optimal responsiveness
• QRM (Automatic Bearing Adjustment) : Sealed cartridges for increased longevity
• Material : Aluminum (axle and body)
• Design : Infinity for improved stiffness and power transfer
• Compatibility : Shimano HG (included)
• Convertible to Campagnolo ED, Campagnolo N3W, Shimano MS, SRAM XD Road (kits sold separately)

Spokes

• Material : Steel
• Shape : Straight, extra-flat, bladed (ADR+) for improved aerodynamics
• Anti-rotation (rear, drive side)

Lacing :

• Radial (front) for even force distribution
• Isopulse (rear) for optimal lateral stiffness
• Nipples : Black brass
• Screws : M7

Aerodynamics & stiffness

• Fore Technology : Unperforated upper bridge for increased stiffness and weight reduction
• Improved lateral stiffness for a more dynamic ride
• Vertical compliance for optimal comfort on rough roads

UST Tubeless system

• Reduced friction (no inner tube)
• Better grip and reduced puncture risk
• Easier mounting and removal thanks to the new rim bed shape

Ventilation & comfort

24 ventilation holes (via Instant Drive 360 technology and hub design)

Box contents :

• Quick Release Skewers (Level 1 : rear)
• User Guide
• Unmounted UST Valve (for tubeless system)
• 2 Multifunction Adjustment Wrenches (provided with the rear wheel)

Compatibility & usage :

• ASTM Category 2 : Road and paths with jumps ≤ 15 cm
• Max Supported weight : 120 kg (including bike)
• Tire Size Compatibility : Maximum: 62 mm width (max pressure: 3.8 bar / 55 PSI), Minimum: 23 mm width (max pressure: 6.75 bar / 97 PSI)