The EXS FK-01 carbon fork is developed to meet the demands of Giant TCR with partial internal cable routing, offering a clean, adaptable solution without compromising performance or aesthetics. Please check the dimensions and recommended bearing size below.
Its 31.8mm D-shape steerer, formed through one-piece carbon molding with targeted reinforcement, delivers increased strength and rigidity without added weight. The thicker steerer also allows certain builds to use a standard, non-offset top cap when paired with a compact headset and EXS lightweight compression plug for a sleeker front-end appearance.
Rigidity has been carefully optimised to improve steering accuracy, braking control, and impact stability, while maintaining a balanced ride feel through refined carbon layup. Fully ISO 4210 compliant and SGS certified, the FK-01 provides a safe, stable, and refined front-end solution for electric groupset–only setups.
New Design, Uncompromised Performance

With the rise of full internal cable routing becoming the standard in the cycling industry, there's a growing need for solutions that can adapt to partially internally routed frames.
Why 31.8mm D-Shape Steerer?

Through the use of carbon fiber one-piece molding technology and reinforcement design, the FK-01 achieves increased strength and rigidity without adding extra carbon layers to the steerer tube, thus reducing weight and maintaining the desired strength.
With the thicker steerer tube, some models can use a standard, non-offset top cap when paired with a small-sized headset and our dedicated lightweight compression plug, allowing a more aesthetic build.
*FK-01 supports electric groupset only.*
Rigidity Optimised

A fork with better rigidity not only enhances steering precision but also provides improved control during braking and when encountering strong impacts, thereby increasing riding safety.
We conducted extensive carbon layup adjustments to find a delicate balance between competitive performance and riding comfort. We also selected forks from some of the high-end bikes from the market as competitive benchmarks.
Recommended Headset Specifications
For a sleek and clean look
Safety


FK-01 fork complies with international standard ISO-4210, and also the SGS certificate. Our commitment to quality extends to third-party certification to meet our high product quality standards.
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Specifications
| Steerer Tube Diameter |
31.8mm
|
| Rake |
45mm
|
| Fork Length |
370mm
|
| Brake Mount |
Flat Mount
|
| Axle Compatibility |
12x100mm (Axle is not included)
|
| Weight |
370g
|
| Max Tyre Size |
32mm
|
| Steerer Length |
260mm/300mm
|
| Compatibility |
Electric Groupsets Only
|

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Shipping Note:
*No shipping to Korea, Japan & China until further announcement.
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Links
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