Neco Headsets Semi-integrated Threadless for ZS41/41.4/41.5/41.8mm 28.6/30 for GIANT TCR Triban RC520 RC500 Road Bike
GIANT Escape R3. Triban RC500.
Options: Low Cup; Middle Cup; High Cup.
(Extracted from Japanese market customer reviews)
| Brand | NECO |
|---|---|
| Model | H179 / H179M / H179H |
| Type | Semi-integrated threadless headset |
| Upper Size | ZS41.4 / 28.6mm |
| Lower Size | ZS41.4 / 30mm |
| Fork Steerer | 28.6mm (1-1/8") |
| Key Feature | Genuine NECO headset, trusted bicycle parts brand since 1986 Smooth steering and stable handling |
| Compatibility | for ZS41/41.4/41.5/41.8mm 28.6/30 for GIANT TCR Triban RC520 RC500 Road Bike |
| Cup Height | Model | Weight | Stack Height |
|---|---|---|---|
| Low Cup | H179 | 65g | 14.4mm ±1mm |
| Middle Cup | H179M | 72g | 21.6mm ±1mm |
| High Cup | H179H | 80g | 31.6mm ±1mm |
Suitable for:
NECO is a professional bicycle component manufacturer from Taiwan since 1986, specializing in headsets and bottom brackets with decades of OEM production experience.
Please measure your frame head tube inner diameter and fork size before ordering.

NECO - Professional Bike Parts Manufacturers
We at Neco Technology Industry Co. Ltd., founded in 1986 in Taichung, have been in the forefront of machinery tooling design and development. Having acquired more than 30 years of experience in the cycling field, general manager Mr. Neco Wang has been extensively making contributions to not only the growth, development and success of the company, but to the global bicycle industry as well.
In order to offer high quality products and expand plant capacity, we specialize in manufacturing headsets and bottom bracket components. Not only can we cover a wide range of applications and finishes, but we can also extend the capacities of alloy cold forging, steel press, hole taping and CNC finishing, etc.
Our factory continuously focuses on higher-end products and expanding design capabilities with our state-of-the-art research facility. However, we at Neco Ltd. believe in meeting the entire range of market demands from economic models to technologically cold forged CNC components. Meanwhile, Neco Ltd. will always strive to meet the commitments to all of the customers and provide competitive, high-value products.
Each row below is one available option combination. Choose the complete combination that matches your setup.
| Option 1 |
|---|
| Low Cup |
| Middle Cup |
| High Cup |
