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FOX patented Internal Bypass technology offers position sensitive damping that adapts to any terrain on and off the road, providing a plush, predictable ride everywhere you go.

FOX Internal Bypass Shocks utilize the same race-proven, position sensitive damping technology as our External Bypass Shocks in a compact and hassle-free package available in a wide range of sizes and developed for specific applications.

FOX Internal Bypass Explained | UTV - YouTube

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