Ningbo XiaYi Electromechanical Technology Co.,Ltd.
| Features | Lightweight, Durable |
| Application | Shock Absorber |
| Packaging | Individual Packaging |
| Service | OEM |
| Material | Iron, Carbon Steel, SS |
| Thickness | 0.5mm~10mm |
| Shape | Round |
| Technology | Stamping |
| Certification | IATF16949:2016 |
| Place of Origin | Ningbo, China |
| Brand Name | XIAYI |
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Product Specification
| Features | Lightweight, Durable | Application | Shock Absorber |
| Packaging | Individual Packaging | Service | OEM |
| Material | Iron, Carbon Steel, SS | Thickness | 0.5mm~10mm |
| Shape | Round | Technology | Stamping |
| Certification | IATF16949:2016 | Place of Origin | Ningbo, China |
| Brand Name | XIAYI | ||
| High Light | Motorcycle shock valve shims ，High speed suspension shims ，Shock valve shims for motorcycles | ||
XIAYI Motorcycle Shock Valve Shims are engineered specifically for the unique demands of two-wheeler suspension systems — lighter vehicle mass, higher piston velocities, and more aggressive damping curves than passenger car applications. Whether for commuting motorcycles, sport bikes, or off-road machines, our shims deliver the rapid hydraulic response and structural integrity required at elevated shaft speeds. Manufactured from iron, carbon steel, and stainless steel at HRB60-85 hardness, these round shims incorporate lightweight yet durable construction critical to motorcycle weight optimization.
High-Speed Suspension Challenges We AddressChallenge 1: Cavitation at High Shaft Speeds — Motorcycle dampers experience extreme piston velocities during aggressive riding. Inadequate shim responsiveness leads to cavitation — momentary loss of damping force followed by harsh hydraulic lock. Our precisely manufactured shims ensure rapid valve opening and closing to maintain consistent oil flow control.
Challenge 2: Weight Penalties in Unsprung Mass — Every gram in the suspension assembly affects handling agility. Our lightweight material selection and precision stamping produce shims that deliver full structural performance without unnecessary mass, contributing to improved suspension response and reduced unsprung weight.
Challenge 3: Heat-Induced Performance Fade — Extended high-speed riding generates significant damper oil temperatures. Our shims maintain consistent mechanical properties (HRB60-85) across the operating temperature range, preventing the damping fade that compromises rider confidence during demanding riding conditions.
| Parameter | Specification |
|---|---|
| Material Options | Iron, Carbon Steel, Stainless Steel (SS) |
| Hardness Range | HRB60-85 |
| Thickness Range | 0.5mm – 10mm |
| Shape | Round |
| Key Properties | Lightweight, High-Speed Stable, Heat Resistant |
| Packaging | Individual Protective Packaging |
| Service Type | OEM / Performance Tuning |
While suitable for all motorcycle categories, our manufacturing precision and material quality make XIAYI shims a practical choice for performance-oriented applications. The consistent dimensional accuracy ensures that when you specify a particular shim stack configuration, the actual damping behavior matches the theoretical model — critical for racing teams where suspension setup changes must produce predictable, repeatable results.
Frequently Asked QuestionsQ: Are these shims compatible with USD (Up-Side Down) fork cartridges?
Yes, our round shims are dimensionally compatible with valve pistons found in both USD and conventional (right-way-up) motorcycle forks. Please specify your piston diameter, rod diameter, and target shim OD/ID during ordering for proper matching.
Q: How do these shims perform under sustained high-temperature operation?
Our material grades are selected for thermal stability. The HRB60-85 hardness range is maintained through controlled heat treatment that minimizes property drift at elevated temperatures. For extreme applications (racing, desert riding), we can recommend stainless steel grades with enhanced thermal stability.
Q: Can you supply complete shim stack kits for popular motorcycle models?
We manufacture shims to your specification. If you provide the stack configuration (OD, ID, thickness per position), we can kit them for your assembly line or aftermarket package. We do not maintain application-specific kits, but our rapid sample turnaround (4-6 days) makes custom orders practical.
Q: What is the typical MOQ for motorcycle shim orders?
Standard MOQ starts at 5,000 pieces per specification. For development and small-batch race team requirements, we accommodate lower quantities — please discuss your project scope with our sales team for a tailored quotation.
Q: Do the shims require any surface treatment for corrosion resistance?
For standard applications, the shims perform reliably in damper oil without additional treatment. For motorcycles operated in coastal, winter (road salt), or high-humidity environments, we recommend stainless steel grades. Anti-corrosion coatings are available on request.
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
1500000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust... Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust...
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