




Guyker GKS100-400 Double-Locking Tremolo System for 6-String Electric Guitar
SKU:GKS-100-CR
PRODUCT DESCRIPTION
Designed for players who need stable tuning, flexible setup options, and advanced tremolo control. The Guyker GKS100-400 Double-Locking Tremolo System provides a professional upgrade solution for compatible 6-string electric guitars with precise adjustment and reliable performance.
Pre-sale notice: This product is currently available for pre-sale. The estimated arrival date is around September 20, 2026.
Key Features
- Double-locking tremolo design: Provides secure string locking at both the bridge and nut positions for improved tuning stability during tremolo use.
- Adjustable locking string height: The adjustable string locking height allows the system to match different fretboard radii without requiring an additional string retainer bar.
- Replaceable knife edges: Replaceable knife edge components allow easier maintenance and future upgrades while helping maintain smooth tremolo operation.
- Built-in Drop D function: Supports quick Drop D tuning changes without requiring major tremolo setup adjustments.
- Adjustable saddle height: Individual saddle height adjustment helps achieve accurate setup for different fretboard radius requirements.
- Multiple radius compatibility: Supports 10", 12", 14", and 16" fretboard radius setups for flexible guitar configurations.
- Easy string installation: Designed for convenient string changes without the need to cut string ends.
- Fitment reminder: Please compare the tremolo dimensions, mounting spacing, string spacing, and existing hardware before ordering.
Technical Specifications
| SKU / Model | GKS100-400 Series |
| Product Type | Double-Locking Tremolo System |
| Suitable For | 6-String Electric Guitar |
| Baseplate Material | Brass |
| Saddle Material | Stainless Steel |
| String Spacing | 54 mm (10.8 mm × 5) |
| Post Spacing | 74 mm |
| Overall Width | 91.5 mm |
| Overall Length | 69 mm |
| Block Width | 50 mm |
| Overall Height | 65.93 mm |
| Fretboard Radius Compatibility | 10", 12", 14", 16" |
| Locking Height Adjustment | Adjustable |
| Saddle Height Adjustment | Adjustable |
| Knife Edge | Replaceable |
| Drop D Function | Supported |
| Finish Options | Chrome / Black / Gold / Black Gold |
Compatibility Notes
Important: Please check the measurements of your guitar before ordering. Minor modification may be required depending on the guitar model, production year, or existing hardware.
Please confirm the following before installation:
- Tremolo mounting spacing
- String spacing
- Locking nut specifications
- Bridge cavity dimensions
- Existing hardware compatibility
Package Includes
- Complete installation package included:
- 1 x Double-Locking Tremolo Bridge Assembly
- 1 x Locking Nut
- 2 x Pivot Posts
- 1 x Spring Claw
- 4 x Tremolo Springs
- 2 x Hex Wrenches
- 1 x Mounting Screws Set
Installation Note
Before installation: Compare the product dimensions with your original tremolo system to confirm compatibility.
Size Reference
Important: Please refer to the size chart below and compare all dimensions with your original part before ordering.

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FAQS
Do you class a reverse headstock guitar as a left hand guitar?
How do I determine the right size/fit for a specific accessory?
Can you provide more details about the materials used in your products?
At Guyker, we prioritize the use of high-quality materials to ensure the durability and performance of our products. While the specific materials used may vary depending on the accessory, we commonly utilize materials such as:
■ Metals: We often use materials like stainless steel, aluminum, and brass for hardware, bridges, and other metal components.
■ Plastics: Certain accessories may incorporate durable and impact-resistant plastics such as ABS or polycarbonate for knobs, pickguards, and other components.
■ Woods: Some accessories, like guitar knobs or picks, may be made from various types of wood, including rosewood, ebony, or maple.
For more detailed information about the materials used in a specific product, we recommend reviewing the product descriptions or reaching out to our customer support team at [support@guyker.com] for further clarification.
Do you offer international shipping?
Yes, we offer international shipping to customers worldwide. When placing your order, please ensure that you provide accurate international shipping information, including your complete address and contact details.
Please note that international shipping may be subject to customs duties, taxes, and additional fees imposed by the destination country. These charges are the responsibility of the recipient and may vary depending on the country's customs policies.
What is your process for returning or exchanging a product?
To initiate a return or exchange, please follow these steps:
■ Contact our customer support team at [support@guyker.com] or visit our website's Returns/Exchanges page.
■ Provide your order details and the reason for the return or exchange.
■ Our customer support team will guide you through the process and provide you with a return/exchange authorization if applicable.
■ Follow the instructions provided, including packaging the product securely and attaching the necessary labels or documentation.
■ Ship the product back to us using a traceable and insured shipping method.
■ Once we receive the returned product and verify its condition, we will process the return or exchange accordingly.
Can I return or exchange a product if it's been used?
In most cases, products that have been used or show signs of wear may not be eligible for return or exchange unless there is a defect or error on our part. We recommend reviewing our specific return/exchange policy or contacting our customer support team at [support@guyker.com] to determine the eligibility of your particular product.
Do I need to cover the return shipping costs?
The responsibility for return shipping costs may vary depending on the reason for the return or exchange. In some cases, such as if the product is defective or if we made an error, we will provide a prepaid shipping label or reimburse your return shipping costs. However, if the return or exchange is due to a change of mind or a non-defective product, you may be responsible for the return shipping costs. We recommend reviewing our return/exchange policy or contacting our customer support team at [support@guyker.com] for specific details regarding return shipping costs.

Guyker GKS100-400 Double-Locking Tremolo System for 6-String Electric Guitar
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