Superlight and durable for everyday performance

ISM4D rim weighs only 400g.
Patented lightweight aero spokes and 22mm deep / 19mm wide rims keep inertia low and control high.
Solid upper rim bridge eliminates the need for rim tape, saving 60g.

Laterally stiff, vertically compliant for a more dynamic ride

Fore technology keeps the rim upper bridge solid to make the rim stiffer.
New Infinity hub platform features a stiff axle, durable bearings and a new hub design for improved wheel stability.
ID360 freewheel technology provides improved power transfer.

Improved UST Road for more speed, comfort and control

Tubeless design reduces friction, improves efficiency and grip, and reduces the risk of punctures.
New rim bed shape makes it easier to mount and change tires.
Fore drilling technology eliminates the need for rim tape.

Specifications