Easy to transport, easy to push
The Catalyst 4 & 4C are the lightest most durable and energy efficient K0004 folders on the market today.
The Catalyst Difference
Catalyst 4 & 4C both take advantage of all of the “Catalyst Difference” design features to allow you to fit, adjust and ride with confidence. A defining characteristic of each chair is its axle plate which we will highlight below.
