The 428 Series monoshock represents the rare combination of high performance and low cost. Designed specifically for the smaller bore sportbikes and adventure touring bikes that are now seeing real riders and real miles. Incorporating proper spring rates and specifically tuned deflective disc dampers combined with a gas charge to prevent oil foaming and wrapped in all aluminum body, the 428 opens up a whole new world of possibilities for this segment of fun to ride machines. Each 428 also utilizes a threaded body for fine tuning spring pre-load to match your riding style and load.

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