Fox 34 Float Performance GRIP 140 29er Fork - 910-20-968

The FOX 34 Float Performance GRIP 140 29er fork is a high-performance trail fork designed to be sm...

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Fox 34 Float Performance GRIP 140 29er Tapered Fork 2023 Black

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Product Information

Full details

The Fox 34 Float Performance GRIP 140 29er fork is an ideal upgrade for trail mountain bikers who prioritize a balance of weight, responsiveness, and consistent suspension control on varied terrain. This fork features an updated chassis and the proven GRIP 3-position damper, providing a highly tunable ride that excels in technical trail conditions; however, riders seeking the absolute lightest or most advanced Factory-level tuning options may find this model slightly less adjustable than its top-tier counterparts.

All features

Model Part Number	910-20-968
Brand	Fox Suspension

Extended Product Information

FAQs

Can I adjust the travel on this fork?

This fork is configured for 140mm of travel. Changing the travel usually requires an air shaft replacement.

Does this fork include a remote lockout?

The Performance GRIP model described uses a crown-mounted lever for the 3-position adjustment.

What is the maximum rotor size I can use?

The fork is compatible with rotors ranging from 180mm to 230mm.

How often should I service the air spring?

Fox recommends a full service including the air spring and damper every 125 riding hours.

Is this compatible with standard 15x100mm non-boost hubs?

No, this fork requires a 15x110mm Boost spacing hub.

Troubleshooting

Fork feels harsh or lacks small-bump sensitivity

Check your air pressure to ensure it matches your rider weight and verify that your rebound is not set too slow.

Oil leaking from the seals

Wipe the seals clean and cycle the fork. If the leak persists, it may be time for a lower-leg service or seal replacement.

Fork sinks into travel too easily

Increase your air pressure to reach your desired sag percentage (usually 15-20% for trail riding).

Pros and Cons

Pros

Excellent small-bump sensitivity thanks to the updated EVOL air spring
Highly reliable and simple-to-use GRIP damper
Improved tire and head tube clearance due to new arch design
Stiff and responsive chassis for aggressive trail riding

Cons

Lacks the high-speed/low-speed compression adjustability found in Factory Series forks
Weight is slightly higher than carbon-crown alternatives
Limited to 140mm travel configuration

Setup, Compatibility & Care

To set up your fork, begin by verifying your sag at the recommended PSI found on the back of the left fork leg as a starting point. Adjust your rebound until the fork recovers quickly from compression without 'bucking' or topping out harshly.

Compatibility

Wheel Size: 29 inches
Axle: 15x110mm QR (Boost)
Steerer: 1.5-inch tapered
Rotor Compatibility: 180mm to 230mm

Care

Keep the stanchions clean and lubricated by wiping them down with a clean, lint-free cloth after every ride. Ensure the oil seal lips are free of dust buildup. For optimal performance, perform a full lower-leg service according to Fox's recommended maintenance intervals (typically every 125 hours of riding).