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Our new website for wheels, rims, hubs is now undergoing pre-publish testing.
YISHUNBIKE FRAME FACTORY
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We started our own carbon bike business from rims and wheels in 2008.
With the expansion of our business, we invested and set up a frame factory in Huizhou City, Guangdong Province in 2013.
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Our frame factory has a dedicated R&D and production team.
The R&D product chief manager had worked as one of the product managers in the Specialized OEM frame factory for 6 years and gained experienced skills in designing and producing carbon frames.
Some of our engineers have over 15 years of experience in the carbon frame bicycle industry.
Our factory now is mainly engaged in the OEM and ODM manufacturing of carbon frames, forks, and other carbon bike parts.
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All our products are tested according to ISO4210 standards and are 20% above the standard.
Currently, we have worked with several well-known brands around the world, such as RIBBLE, BERRIA, MENDIZ, MAGEMO, BOTTCCHIA, DEROSA, and so on…
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We are built to advance.
We continue producing high-quality products strictly according to ISO4210 standards.
High Quality and customer satisfaction are our pursuits. With these pursuits, we are looking forward to servicing more worldwide customers.
 FACILITY & CAPACITY
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Fully equipped hardware facilities
for high-quality products and fast delivery time
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- 9000 SQM facilities for molds, production, paint, inspection, and test.
- Facility production capacity–frames: 5000 sets / month, forks: 5000 pcs / month.
- Actual production capacity–frames: 2500 sets / month, forks: 4000 pcs / month.
OUR team
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Management Team
We have professional teams to deliver high-quality products
with fine cycling performance and provide additional valuable services.
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- Investment & Finance Arrangement
- Administrative Management
- Structure of Company Supervision
- Human Resources
- Supply-chain Management
- Production Coordination
Sales & Service Team
25+ staff including sales, after-sales,
graphic designs, and delivery personnel
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- Fast pre-sales and after-sales service within 24-48 hours
- Custom graphics design according to customer demand
- Packing and shipping service
R&D Team
20+ professional engineers, some engineers have over
15 years of experience in the carbon frame bicycle industry.
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- Design Ideas and Drawing
- Apply UCI Standard to the drawing
- Apply Carbon Fiber Character to the design
- Strength, stiffness, and weight are taken into account
- Apply laws and regulations to the design
- Product Structure & Lay-up Design
- Mold Tooling Design
- Prototype & Lab Testing ( Conform to ISO4210 Standard )
- Assembling Test
- Develop SOP Process
Production Team
with 180+ well-trained workers and technicians
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Main Producing Processes
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| Material Incoming | Â |
| DSC Inspection | Applying DSC tester to inspect physical properties. |
| Prepreg Storage | Storing in the freezer at 0-5C to maintain the resin activity. |
| Prepreg Cutting | Cutting to desired angels and shapes，Normally total 130-150 pieces carbon sheets per frame. |
| Preforming | Lamination by experienced technicians by hand according to SOP. |
| Forming | PC hydraulic molding under conditions 120C，150psi,and 1.5 hours. |
| Gluing Primer | Bonding Joints and drilling cable holes. |
| Surface Processing | Removing the scraps and burrs,cut the excessive pipe,ect. |
| Quality Inspection | 100%quality inspection and put ID number to each product. |
| Quality Testing | Testing according to ISO4210. |
| Finish Processing | For example UD matt,glossy,or customized painting with decals. |
Improvement of Prodction Techonology
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- One piece monocoque molding for better strength and stiffness, because of less glue and joints after forming.
- The newest latex 3D mandrel monocoque technology improves the strength by up to 30% when using the same material due to the smoother inner wall without wrinkles inside.
- Nano graphene reinforced resin system for lighter weight and better strength.
- A fully internal cable routing design adds more beauty to the bikes.
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Traditional EPS Molding Technology VS 3D Latex Mandrel Technology
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Below are the pictures to show the inner wall from frames made by traditional EPS molding technology (A) and 3D latex mandrel technology (B).
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One-piece 3D latex mandrel helps to make a much smoother inner wall, which is an important factor for strength.
To achieve the same strength, the old EPS mandrel requires a thickness of 1mm-1.2mm carbon layups, while the new 3D latex only requires 0.5mm-0.8mm thickness.
This means a frame can be made 15% lighter by new 3D latex technology when keeping the same geometry same shapes.
FRAME SERIES
Full ranges of 30+ open molds of frames from road & gravel & mtb & TT & Ebikes.
MTB / HARDTAIL
GRAVEL
E – SUSPENSION
MTB / SUSPENSION
ROAD
E – ROAD
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