Eyelet Hardware Maintenance

WARNING: FOX products should be serviced by a qualified bicycle service technician, in accordance with FOX specifications. If you have any doubt whether or not you can properly service your FOX product, then DO NOT attempt it. Improperly serviced products can fail, causing the rider to lose control resulting in SERIOUS INJURY OR DEATH.

There are 3 basic styles of eyelet hardware: 2-piece reducer, 3-piece pin and sleeve, and 5-piece flanged bushing. 

Click the photo below that best matches your eyelet hardware setup to view its service procedure.

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Your rear shock eyelet hardware should always provide a snug fit between your shock and bike frame. When excessive play develops, this condition can lead to costly damage to your shock eyelets if not serviced appropriately. Preventative maintenenace of the eyelet hardware can help prevent damage to your shock.



2-Piece Reducer

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The two piece reducer hardware assembly is made up of two reducers, pressed into either side of a DU bushing that is pressed into the shock eyelet.

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Step 1

Use a standard bolt extractor (EZ-Out or similar) to remove the two reducer pieces. Press the bolt extractor into either reducer with a counter-clockwise twisting motion, then pull while continuing to twist counter-clockwise to remove. Repeat for the second reducer.

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Step 2

Remove the reducer from the bolt extractor by gently clamping the reducer and rotating the tool clockwise. If planning to reuse the reducers, make sure to avoid clamping them too tightly in your vice to keep them round.

If your reducers fit tightly in your DU bushings and remain round after removal, they can be reused. Small internal marks on the reducers from the bolt extractor are fine.

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For information guiding you through the replacement of the DU bushings in your shock eyelet, please go to: DU Bushing Replacement »

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Step 3

Start pressing the reducers into the new DU bushing by hand. Use a soft-jawed vice to fully seat the reducers in the DU bushing.

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3-Piece Pin and Sleeve

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The 3-piece pin and sleeve assembly is made up of a single hollow pin that is pressed through the DU bushing in the shock eyelet. The two sleeves mount over the pin from either side and keep it centered. Q-rings are located between the sleeves and the shock eyelet to prevent contamination and premature DU wear.

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Step 1

Remove both sleeves by pulling them away from the shock eyelet. Remove the 2 Q-rings.

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Step 2

Use a soft-jawed vice to push the pin as far out through one side of the shock eyelet as possible.

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Step 3

Use a soft-jawed vice and a socket small enough in diameter to pass through the DU bushing, to push the pin the rest of the way out.

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For information guiding you through the replacement of the DU bushings in your shock eyelet, please go to:DU Bushing Replacement »

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Step 4

Start pressing the pin into the new DU bushing with your soft-jawed vice.

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Step 5

Reposition your shock in the soft-jawed vice so one side of the eyelet is resting against the vice jaw. Continue to press the pin into the DU bushing until the shock is centered on the pin.

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Step 6

Use the two sleeves to verify that the pin is centered in the shock eyelet. Remove the sleeves, install the Q-rings, then reinstall the sleeves.

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5-Piece Flanged Bushing

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The 5-piece flanged bushing eyelet hardware assembly is made up of two beige colored flanged bushings that are pressed into the shock eyelet. A hollow pin is pushed through the flanged bushings and centered by black Delrin spacers on either side of the eyelet. Thin o-rings go between the spacers and flanged bushings to prevent contamination and premature bushing wear.

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Step 1

Carefully remove the black Delrin spacers with a small flat driver.

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Step 2

Use a socket and your soft-jawed vice to push the pin out of the flanged bushings.

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Step 3

Remove the o-rings and replace if necessary. 

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Step 4

Use a small punch or other similar tool to drive out the flanged bushings from the center. Support the shock with your hand during the bushing removal. 

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Step 5

You can use part of the DU bushing removal tool (PN: 803-00-046-A) to help remove the second flanged bushing from the shock eyelet.

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Step 6

Start installing the new flanged bushing by hand, then finish with your soft-jawed vice. Be careful not to press the bushings in with too much vice clamping force to avoid damage to the new bushings. 

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Step 7

Start installing the pin into the flanged bushings by hand and finish with your soft-jawed vice. Center the pin in the shock eyelet.

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Step 8

Install an o-ring into the recess in each flanged bushing, then install the black Delrin spacers.

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DU Bushing Replacement

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Step 1

The DU Removal tool (PN: 803-00-046-A) is made up of a pusher and a receiver.

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Step 2

Insert the pusher portion of the DU removal tool through the DU bushing in the shock eyelet. Install the receiver portion of the DU removal tool onto the exposed portion of the pusher.

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Step 3

Use your soft-jawed vice or a press to squeeze the two ends of the DU removal tool together until the DU bushing is driven out of the eyelet and into the receiver portion of the DU removal tool.

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Step 4

Install a new DU bushing by pressing it into the shock eyelet with your soft-jawed vice or press.

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