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Full description of the product (H1: Front hub KF / OK CRG 25x80 mm R2.0 black aluminum - complete)
The front hub CRG 25x80 mm (R2.0 range) in black aluminum is a part of the original manufacturer (Original CRG Share), developed for the frames of the single categoriesSpeed high level like the KF, OK, OK or TAG (X30, Rotax) using 25 mm diameter rockets.
With its balanced dimensions of 25 mm inner diameter and his 80 mm long, This R2.0 series hub is an essential standard to refine the settings of your front train. Its 80 mm intermediate length offers the rigidity necessary to ensure a precise and direct front train, while maintaining the flexibility required to allow the chassis to work optimally in curve. CNC machined in aeronautical quality aluminum, it is anodized in matte black for maximum wear resistance and a sober and official racing look.
Specificities of the "complete" model:
The hub is delivered assembled and ready to install on your rockets:
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The hub body 25x80 mm in black anodized aluminum (R2.0 series).
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2 waterproof rocket bearings 25 mm inner diameter installed with factory.
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The internal spacer aluminum adjusted to the thousandth to prevent bridging balls.
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The 3 wheel studs high strength for the installation of the rim.
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The integrated clamping ring with its locking screw to freeze the spacing of your ways.
👨🔧 3. Tip in Michel (the corner of the expert)
* "Hi the artists of the trajectory! The hub in 25x80 is the centerpiece on a chassis OK or X30. The length of 80 mm is the Swiss front knife of the front train: it works everywhere and in 80% of the track conditions.
My trick for perfect mounting: Absolutely avoid threading the hub on a dirty or dry rocket. Make a habit of passing a brake cleaner on the 25 mm axis, rub with a clean cloth, and remove a thin film of fluid lubricant or white grease. It avoids that the moisture of the track or oxidation does not block the internal rolling ring on the axis. If you go up that dry, the day you want to change your track settings between two sleeves under the arbor, you will galley to remove the hub !
And do not forget: when you tighten the hub lock ring screw, go with moderation, no need to tighten like a deaf to keep it up. "*
📐 4. The assembly guide & maintenance: step by step
❓ 5. FAQ SEO (Frequently Asked Questions)
Q: Is this 25 mm hub compatible with the KZ (box) category karts ?
A: Not. The Queen Kz category chassis use massive diameter rockets, requiring specific hubs of 40 mm inner diameter. This 25 mm hub is reserved for rockets of categories without box (KF, OK, OK-Junior, Rotax Max, Iame X30).
Q: What is the influence of the length of 80 mm on the behavior of the kart ?
A: The length of 80 mm is the most versatile standard of the range CRG. If you use a shorter hub (ex: 65 mm), the front train wins in mechanical flexibility and releases kart if the track has too much grip. If you are using a longer hub (ex: 95 mm), you stiffle the maximum axle to give the snapped grip to the cold track or slippery. The 80 mm offers the perfect compromise.
Q: Are integrated bearings interchangeable ?
A: Yes, quite. Although this hub is delivered complete with its factory-mounted 25 mm bearings, they remain standard consumables. In case of wear or mechanical game after several hours of rolling, you can replace them with a conventional bearing extractor without the need to redeem an aluminum hub body.
AFS.05685
Specific References
in the same category
The front hub CRG 25x80 mm (R2.0 range) in black aluminum is a part of the original manufacturer (Original CRG Share), developed for the frames of the single categoriesSpeed high level like the KF, OK, OK or TAG (X30, Rotax) using 25 mm diameter rockets.
With its balanced dimensions of 25 mm inner diameter and his 80 mm longThis R2.0 series hub is an essential standard to refine the settings of your front train. Its 80 mm intermediate length offers the rigidity necessary to ensure a precise and direct front train, while maintaining the flexibility required to allow the chassis to work optimally in curve. CNC machined in aeronautical quality aluminum, it is anodized in matte black for maximum wear resistance and a sober and official racing look.
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