LAUF Trail Racer Boost carbon suspension fork

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  • Trail Racer
    Fast, light, stiff.

    With 60mm / 2.35” of travel with progressive spring rate and its sub 990g / 2.18lbs weight, the patent pending Lauf Trail Racer is a unique match with today’s lightweight XC mountain bike frames.


    Zero Maintenance
    The design of the Lauf forks is based around eliminating all “moving parts”, and therefore, friction and maintenance. You can ride without worries through sand, salt, desserts and ice - the performance will stay the same.
    The monocoque carbon fiber structure delivers incredible strength, and the test-fork we have in our lab has already been “shocked” over 170 thousand times, without showing any signs of wear and tear. That equals more mountain-biking than you’ll manage to cram into at least 5 years of action!

    S2 Springs
    The springs on the Lauf forks are made of military spec S2 glassfiber that is extremely tough on hits and flexible in the direction of the travel. The springs have been “shocked” in our test lab over 400.000 times reaching 40mm amplitude every time.

    Progressive Spring Rate
    Spring Rate Regular (over 65kg riders)
    Light (under 70kg riders)

    The Lauf Carbonara has 60mm of travel with progressive spring rate. This means that the further the fork compresses the springs become stiffer. This helps keeping the fork from bottoming without sacrificing small bump compliance.

    Plus Tire Compatibility
    The TR Boost can take full on 27.5+ tires as well as 29+ tires up to 2.8” wide. Some 29x3” tires will also fit but as tires are different from brand to brand you need to measure the tire beforehand.

    Cargo Mounts
    We do not have cargo mounts on our forks but there are 3rd party solutions that can be used. For instance the Twofish Unlimited Quick Cage adapters that can be used with a broad variety of cages.

    Unsprung weight
    260g unsprung weight
    The low unsprung weight is one of the design elements that makes this fork extremely good at tracking small bumps and chatter which gives you great traction and isolates you from vibration.

    Travel 60mm / 2.35” travel.
    This is the sweet spot for our forks. Since the travel is fairly short and progressive, we don’t need damping. That makes the fork a lot simpler and maintenance free.

    The Trail Racer forks are very light when compared to other XC suspension forks. It makes the whole front end of the bike more agile on technical climbs. The 27” and 29” versions are 990g.

    Rider weight limit
    Rider weight limit 110kg / 243lbs
    This should be your weight in race gear.

    Axle 15mm Lauf thru axle
    We supply all forks with our own axles. We made a lightweight low profile axle which requires a 6mm allen key. If you prefer a lever, you can replace it with e.g. the RockShox Maxle.

    Hub Spacing
    Hub Spacing 100mm / 110mm
    The 27.5” versions and 29” non-boost version have a standard 100mm hub width.

    Rake 45 mm / 48 mm / 49mm
    Goes hand in hand with our Axle to Crown length. This fork is designed to “trail” the same as a 80-100 mm suspension fork.

    Axle to crown
    Axle to crown 466 mm / 485mm
    It’s designed to replace a 100mm XC fork. When you take sag into account on a normal telescopic fork, the axle to crown length is roughly the same.
    The 27.5” version has a 466mm axle to crown. The 29” versions (boost and non-boost) have 485mm axle to crown.

    Steerer Tapered 1 1/8” - 1 1/2” (uncut length 250mm)
    It’s also possible to fit our forks on bikes that have an oversized headtube (44mm). Then the lower bearing needs to be changed to a 1.5”.

    Min rotor size
    Min rotor size 180mm
    180mm is minimum but if you prefer a larger rotor a spacer can be used.
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  • Attachements
    User's Manualinstruction manual
    4.07 MB
    Installation Guideinstruction manual
    2.44 MB
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