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Custom Sports Equipment Springs & Fitness Hardware Manufacturer
We design and manufacture high-fatigue springs for commercial gym equipment, mountain bike suspensions, and outdoor gear. Engineered for extreme impact resistance and millions of cycles under safety-critical conditions.
- High-Fatigue Alloy Selection
- Complex Geometry Forming
- Ensuring Sports-Grade Durability
Industry Overview
In the sports and fitness industry, precision springs must withstand high-frequency, high-intensity impacts and extreme deformation far beyond standard industrial limits. Commercial gym equipment requires an ultra-long lifespan to guarantee absolute user safety. Meanwhile, competitive outdoor gear demands lightweight construction and precise stiffness to maximize athletic performance. Hershey Spring delivers high-fatigue solutions that eliminate structural degradation.
Sports & Fitness Application Coverage
- Commercial Gym Equipment：Springs for weight stack pins, treadmill shock absorption, and rowing machine return mechanisms.
- Cycling & Powersports：Front fork springs, rear shock absorber springs, and brake return springs.
- Outdoor & Extreme Sports：Springs for ski bindings, climbing carabiners, and trampoline extension springs.
- Water Sports：Corrosion-resistant springs for diving regulator valves and speargun triggers.
Sports Equipment Solutions & Customization Capabilities
Hershey Spring specializes in sports equipment manufacturing. We utilize high-fatigue alloys such as Chrome Silicon and Oil-Tempered Spring Steel. Through precision heat treatment, we ensure the original elasticity is maintained even after millions of cycles. Whether it's the complex torsion forming for ski bindings or the stable linear output for high-end shock absorbers, we provide custom solutions that meet stringent safety standards, making every sporting activity more reliable.
Industry-Grade Materials
- High-Fatigue Alloy Steel
Selected from premium Chrome Silicon (CrSi) and oil-tempered wire. This is the gold standard for high-impact fitness equipment and bicycle suspensions, delivering exceptional durability under repeated stress.
- Lightweight Titanium
Utilizing Ti-6Al-4V titanium alloys for premium competitive gear like high-end racing bikes and golf clubs, offering an ultra-lightweight, non-magnetic, and corrosion-resistant profile.
- Corrosion-Resistant Stainless Steel
Using marine-grade 304/316 stainless steel, perfect for diving regulators, marine hardware, and outdoor climbing equipment exposed to harsh, wet, or salty environments.
Mechanical/Functional Customization Options
- Variable / Progressive Rate
Engineered for mountain bike and off-road motorcycle suspensions. Our variable pitch designs feature a soft initial travel to absorb small bumps, while progressive stiffening prevents bottoming out.
- Constant Force
Custom linear extension and constant force springs designed for fitness resistance training equipment, ensuring consistent, seamless resistance throughout the full range of motion.
- Special End Configurations
Equipped with custom 360° swivel hooks or specialized loops to prevent torque build-up and wire tangling during intense workouts, maintaining perfect spring alignment.
Industry-Focused Processes
- Precision Heat Treatment
Strict control of conveyor furnace tempering times and temperatures. This process guarantees maximum spring toughness under high-impact conditions, eliminating brittle fractures.
- Aesthetic Surface Finishing
We provide vibrant, high-durability powder coatings and eco-friendly E-coating (in red, black, yellow, etc.), balancing premium aesthetics with superior, long-lasting rust protection.
Durability & Reliability Enhancements
- Shot Peening
High-speed shot impacts introduce deep compressive residual stress on the spring surface. This effectively stops micro-crack growth and increases fatigue life by 5 to 10 times for suspension springs.
- Pre-Setting / Scragging
Springs are pre-compressed to solid height during manufacturing to eliminate initial plastic deformation, guaranteeing zero height or force loss over 3–5 years of continuous use.
Quality & Compliance
- Safety Certification
Our facility is fully certified to IATF 16949 and ISO 9001 standards. Every batch of sports safety components is manufactured to rigorous automotive-grade tolerances.
- Environmental Compliance
All raw materials and surface treatment processes comply 100% with RoHS and REACH directives, ensuring non-toxic, skin-safe components for prolonged user contact.
Quality Assurance & Certifications
FAQ
For high-frequency dynamic applications, we recommend Chrome Silicon or Oil Tempered Wire. We also perform Shot Peening, which extends fatigue life by 5-10 times. Before shipment, we conduct Pre-setting (Scragging) to eliminate initial set, ensuring the spring retains its force even after years of use.
Absolutely. This is our strength in the MTB and off-road sectors. We can design Variable Pitch springs to achieve “soft initial travel for comfort and stiff support at the end” to prevent bottoming out during heavy impacts.
We offer various weather-resistant solutions. For general outdoor use, we recommend Black E-coating or Dacromet, which can withstand 500+ hours of salt spray testing. For diving or marine gear, we suggest 316 Stainless Steel for superior resistance to seawater corrosion.
Yes. We offer high-quality Powder Coating services. Simply provide the RAL color code, and we will apply a vibrant, durable finish that not only looks great but also adds an extra layer of rust protection.
Our wire diameter capacity goes up to 30mm. This means we can easily manufacture heavy-duty compression springs for weight stack shock absorption and large multi-gym stations entirely in-house, ensuring full quality control.
No problem. Our engineers have extensive experience in sports mechanics. Share your expected Stroke, Installation Space, and Force Curve requirements, and we will calculate the optimal wire diameter and coil count, providing samples for road testing.