Swift BST - Bump Spring Stacker

Bump Spring Stackers

Introducing the perfect solution for creating customizable bump spring setups—Bump Spring Stackers. Designed to allow you to build any combination of rates using Swift flat wire bump springs, these stackers come with an adjustable lock nut, giving you complete control over the compression and allowing for a fully customizable dual-rate bump spring configuration.

• Adjustable Lock Nut: Lock out the lower bump spring at the compression of your choosing, providing a fully customizable true dual-rate setup.
• Multiple Bushing Sizes: Includes 1/2", 14mm, and 5/8" bushings for versatile compatibility.
• No Spring Rubbers Required: Eliminate the need for spring rubbers, improving reliability and performance.
• Progressive & Digressive Stacks: Build both progressive and digressive stacks for optimized suspension performance.
• Precise 1/16" Load Adjustment: Allows for precise load adjustments for fine-tuned suspension setups.
• Bump Springs & Retainers Sold Separately: The stackers are sold separately, with bump springs and retainers needing to be purchased separately for a complete setup.

Ideal for racers and suspension tuners seeking a fully customizable bump spring setup for precision tuning.