TEL: +86 0594-2678388

Whatsapp:+86 13850271386

Harley-Davidson Rear Shocks
Manufacturer & OEM/Wholesale Suspension Supplier

Kingham Tech builds platform-based suspension upgrade programs for Harley-Davidson families — Touring (Bagger), Dyna and Sportster. This page is designed for B2B buyers who need a clear tiered program, load-management solutions, and engineering support for wholesale programs and OEM/ODM development.

Built for Harley Distributors, Brands and Workshops

Harley-Davidson programs require thoughtful planning—especially when balancing platform coverage, margin improvement, and restocking efficiency. Choose your role below and we’ll provide a recommended assortment of SKUs and the necessary fitment details for your market.

Distributors & Importers

Build a tiered Harley program with manageable SKUs for Sportster, Dyna, and Touring. Start with core movers to ensure turnover, then expand by tier depth for premium long-distance riders.

Aftermarket & OEM Brands

Co-develop “brand lines” for bagger comfort or performance cruiser control. We support your project with stable batch consistency and clear damping window definitions.

Tuning Shops & Service Centers

Offer upgrades with clear adjustment guidance for customer weight, luggage, and riding style. We provide baseline setup notes and aftersales spare parts support.

Ready to see the data?

Tell us your Harley family focus and riding/load style — we’ll email the relevant spec pack (PDF/Excel).

Harley Platform Overview — What to Stock First

Harley-Davidson platforms require different approaches: “Touring” platforms cater to long-distance touring riders, while “Dyna” and “Sportster” platforms are more performance-oriented for cruiser enthusiasts. Build your catalog based on platform role, then expand by model-year coverage.

Platform

Typical Role

Key Markets

Main Suspension Opportunities

Touring (Bagger)

Long-distance, two-up & luggage cruising

US, EU, AU

Load support, heat/fade control, comfort over expansion joints, stability at highway speeds

Dyna

Power cruiser + aggressive street riding

US, EU

Rear support under acceleration, cornering control, stance + performance upsell

Sportster

Urban agility + custom builds

US, EU, JP

Low-profile comfort, controlled damping on short travel, custom stance compatibility

Product Segmentation for Harley Partners

We’ve segmented Harley suspension solutions into three key tiers: "Essential (Good)", "Performance (Better)", and "Premium (Best)". Distributors can maximize margin and ensure reliable inventory with our tiered program structure.

Essential OE-Plus

Value-driven entry upgrade delivering improved basic comfort and stable support. A consistent daily ride solution for Sportster and light Dyna models.

Performance Adjustable

Tuning-focused suspension built for performance cruiser buyers and workshops. Offers clearer cornering control and improved acceleration/braking support.

Premium Touring Load-Control

Touring-dedicated architecture engineered for two-up and luggage-loaded long rides. Delivers maximum highway comfort with project-based multi-way tuning.

Core Suspension Picks for Harley Programs

Our Harley suspension families serve various commercial roles, from high-volume commuter solutions to performance-enhanced upgrades. Start here for fast quoting and full fitment confirmation.
H148

H148

Position as load-control + two-up comfort kits for bagger communities. Built to reduce sag, control heat fade, and smooth expansion joints at highway speeds.
H172 BLACK

H172

Position as stance + control kits for club-style and performance cruiser builds. Built for acceleration support and corner stability with tunable rebound control.
H149

H149

Position as stance + control kits for club-style and performance cruiser builds. Built for acceleration support and corner stability with tunable rebound control.
H01201 BLACK

H01201

Position as style-forward comfort kits with reliable rebound control for daily + weekend rides. Sharper control on short travel with comfort-first damping and custom stance compatibility.

Suspension Upgrades for Harley Davidson Touring Family

 The Touring Family

Engineered for the long-distance haul. These iconic models demand exceptional load management and comfort to support two-up riding and fully-laden luggage over extended trips.

    The Limits of Stock Suspension

  • Load Management Failure: Factory suspension struggles with two-up riding and luggage, leading to frequent bottoming-out and unpredictable handling over highway undulations.
  • Ride Harshness: Lack of refined compression damping translates into sharp jolts and discomfort when encountering square-edged bumps and expansion joints.

    Kingham Tech Engineering Advantage

  • Hydraulic Preload Adjustability: Integrating a hydraulic system for quick, tool-free adjustment of sag, ensuring optimal ride height is maintained regardless of passenger or luggage weight.
  • Nitrogen-Charged Monotube Design: Utilizing a single-tube design with nitrogen charge for superior heat dissipation and consistent, fade-free damping throughout long-distance cruising.

Performance Solutions for Harley Davidson Dyna

The Dyna

Engineered for power and aggressive riding. Celebrated for its powerful engine, unique handling, and strong presence in the custom bike scene, the platform demands stability for high-speed riding.

    Performance Deficiencies of Stock Unit

  • High-Speed Instability: The frame and stock suspension struggle with the engine’s power output at speed, causing excessive wobble, especially in sweeping corners.

  • Limited Cornering Capability: Restricted ground clearance and poor rebound control limit lean angle, forcing riders to reduce speed significantly through turns.

    Kingham Tech Engineering Advantage

  • Performance Monotube Shocks (Rear): High-end monotube design with adjustable rebound and compression to deliver aggressive cornering capability and precise chassis control.

  • Increased Ground Clearance: Specific shock lengths are available to raise the ride height, maximizing lean angle potential and preventing scraping under spirited riding.

Suspension Upgrades for Harley Davidson Sportster

The Sportster

Engineered for agility and urban performance. This lightweight, versatile model is the perfect foundation for custom builds, demanding suspension that sharpens cornering precision and provides a more controlled, planted feel.

    The Limits of Stock Suspension

  • Harsh Ride & Low Travel: Stock units often have limited travel and simplistic damping, resulting in a harsh, uncomfortable ride that struggles with everyday road imperfections.

  • Cornering Imprecision: The lack of refined damping control causes excessive chassis movement, leading to vague steering input and reduced confidence when leaned over.

    Kingham Tech Engineering Advantage

  • Enhanced Damping Rod Kit (Front): Front suspension upgrades utilize superior valving technology to improve hydraulic control, eliminating front-end bounce and dive without sacrificing comfort.

  • Progressive Rate Springs (Rear): Rear springs are engineered with a progressive rate curve to improve small bump absorption while maintaining the low-profile stance desired by custom builders.

Harley Distributor Starter Program

We recommend starting your Harley program with the highest-turnover platforms (Touring, Dyna, Sportster). Our starter assortments balance coverage with margin and replenish efficiently.
  • Coverage: Touring + Dyna + Sportster.
  • SKU Count:8-10 core SKUs across Essential / Performance / Premium.
  • Business Focus:Fast turnover + margin protection

Your Expert Partner in Suspension Manufacturing

Experience the heavy-duty engineering and global export expertise required to support touring-focused load control and long-mile durability for Harley-Davidson programs.

Design & R&D

Our experienced R&D team, with over 15 years of industry expertise, develops more than 20 new products annually for our clients. Leveraging over 70 technical patents, we collaborate with customers to ensure their brands maintain sustained competitiveness in the market.

Advanced Manufacturing

Our modern manufacturing facility spans over 16,000 square meters, equipped with more than 90 CNC precision machines and a dedicated anodizing workshop. We utilize automated assembly and testing equipment while implementing comprehensive quality inspections to ensure every product meets the highest standards.

Global Partnership

With over 7 years of ODM/OEM service experience, we have successfully served aftermarket clients across Europe, the United States, and Southeast Asia. We provide comprehensive customization services, committed to becoming your most trusted suspension system solutions provider.

Performance Validation & Reliability Metrics

Specialized load-control testing and thermal stability checks ensure our components meet the extreme demands of heavy-duty touring and custom Harley-Davidson builds.

Quantified Damping Performance

Quantified Damping Performance(1)_11_19_2025

This Force vs Velocity curve is the definitive proof of our performance. It confirms that our damping system maintains predictable force output and consistency, ensuring balanced and superior handling across all operating speeds.

Structural Reliability
Testing

Structural Reliability Testing(1)_11_19_2025

Critical components undergo rigorous fatigue testing on specialized equipment. This protocol validates the structural integrity of our components, providing partners with confidence in the long-term durability and warranty commitment.

Production Quality & Consistency

Production Quality & Consistency(1)_11_19_2025

Every unit undergoes high-speed dyno validation to verify precision before packaging. This quality control step guarantees that all production batches meet the same high standard of control and stability.

Component & Environmental Verification

Component & Environmental Verification(1)_11_19_2025

We confirm material integrity and component precision using dedicated inspection equipment. All external alloys are tested for superior corrosion resistance, confirming their durability in diverse global environments.

FAQ

Can we mix multiple platforms in one order?

Yes, we support mixed orders for Touring, Dyna, Sportster based on MOQ.
Yes, private label packaging and custom finishes are available.

What is the lead time for Harley suspension orders?

Typically 4–6 weeks, depending on volume and platform selection.
Yes, Performance and Premium tiers offer adjustable damping for custom tuning.

Get a Harley Suspension Proposal

Share details about your Harley platforms. Usually reply within 1–2 days.

Scroll to Top

Get in touch

Yamaha_09_12_2025