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Slice through the wind with smooth aero efficiency

ISM 4D rims maintain light weight while improving aerodynamics
21mm external width (17mm internal) for improved rolling efficiency and comfort

Race-ready responsiveness and added control

Stiff and strong Zicral spokes
Isopulse lacing front and rear for increased wheel stability
GripLink front tire for cornering grip, PowerLink rear tire for low rolling resistance

Better braking performance and rim longevity

Braking distances proven to be 18% shorter than average in wet or dry conditions
Reduced rim wear for extra longevity and an all-black look that lasts for thousands of kilometers
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Compatibility

  • Rear axle: Quick Release only
  • Front axle: Quick Release only
  • Freewheel: Shimano/Sram, convertible to Campagnolo with optional driver body

Weight

  • Tire 700x25: 210 grams
  • Pair without tire: 1475 grams
  • Front without tire: 630 grams
  • Rear without tire: 845 grams

Hubs

  • Axle material: aluminum
  • Front body: carbon with aluminum flanges
  • Rear body: aluminum
  • Adjustable sealed cartridge bearings (QRM+)
  • Freewheel: FTS-L steel

Intended Use

  • Max. Pressure: 23mm 8.7 bars - 125 psi, 25mm 7.7 bars - 110 psi
  • 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
  • Recommended tire sizes: 25 to 32 mm

Rims

  • ETRTO size: 622x17C
  • Height: front 24mm, rear 26 asymmetrical
  • Weight reduction: ISM 4D
  • Brake track: Exalith 2
  • Internal width: 17 mm
  • Valve hole diameter: 6.5 mm
  • Tire: clincher
  • Drilling: Fore
  • 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

Tire

  • Breaker: Front Kevlar, Rear polyamide
  • Dimension: 25-622 (700x25c)
  • Yksion Pro GripLink (front) & PowerLink (rear)
  • Front and Rear Tread: Single Compound
  • Casing: 127 TPI

Versions

  • Color: Black only
Delivered with
  • Multifonction adjustment wrench
  • Exalith brake pads
  • User guide
  • BR601 quick releases

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