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SKU:GMA-016B-Black
PRODUCT DESCRIPTION
Designed for flexible string spacing adjustment and smooth bridge performance. This roller guitar bridge features adjustable 50.8–54.2 mm string spacing, brass saddles, and an aluminum alloy body for compatible 6-string electric guitar replacement and upgrade projects.
Key Features
- Adjustable string spacing: Supports a 50.8–54.2 mm string spacing range, allowing more flexibility for different setup needs.
- Roller bridge design: Helps support smoother string movement across the saddles for compatible electric guitar setups.
- Brass saddles: Provides a stable string contact point with reliable bridge performance.
- Aluminum alloy body: Offers lightweight construction for modern guitar hardware replacement and customization.
- Multiple finish options: Available in Aluminum Oxidized Chrome, Black, Red, Green, and Gold finishes.
- Fitment reminder: Please compare the string spacing range, post spacing, post diameter, and bridge dimensions with your original bridge before ordering.
Technical Specifications
| SKU / Model | GMA-016B |
| Product Type | Guitar Bridge |
| Bridge Type | Roller Guitar Bridge |
| Suitable For | 6-String Electric Guitar |
| Adjustable String Spacing | 50.8–54.2 mm |
| Post Spacing | 74 mm |
| Post Diameter | Ø7 mm |
| Radius | R158.6 |
| Overall Length | 90 mm |
| Overall Width | 18 mm |
| Overall Height | 29.2 mm |
| Bridge Body Height | 13.2 mm |
| Body Material | Aluminum Alloy |
| Saddle Material | Brass |
| Weight | Approx. 66 g |
| Color / Finish Options | Aluminum Oxidized Chrome, Aluminum Oxidized Black, Aluminum Oxidized Red, Aluminum Oxidized Green, Aluminum Oxidized Gold |
Compatibility Notes
Important: Please compare the adjustable string spacing range, 74 mm post spacing, Ø7 mm post diameter, bridge radius, and overall bridge dimensions with your existing bridge before ordering. Guitar models may vary by production year, factory, and region.
Package Includes
- Package contents are the same for each selected finish option.
- 1 x guitar bridge
- 1 x mounting hardware set
Installation Note
Before installation: Compare the bridge dimensions, post spacing, post diameter, adjustable string spacing range, and mounting layout with your original bridge to confirm compatibility.
Size Reference

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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 Guitar Bridge GMA-016B with Adjustable String Spacing
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