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

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. 42mm / 43mm locking nut options: Choose the locking nut size that matches your neck nut width and installation requirements. 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: 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. Available Service Lifetime free knife edge replacement: Guyker provides lifetime free replacement service for the replaceable knife edge components of this tremolo system. Customers only need to cover the shipping cost. Please contact Guyker customer support with your order information when replacement is needed. 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 Nuts Size 42mm, 43mm 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, bridge cavity, or existing hardware. Please confirm the tremolo mounting spacing, string spacing, locking nut size, bridge cavity dimensions, fretboard radius, and existing hardware compatibility before installation. The locking nut is available in 42mm and 43mm options, so please choose the size that matches your neck nut width and installation requirements. 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. Please also confirm whether your guitar requires the 42mm or 43mm locking nut option before ordering. Size Reference Important: Please refer to the size chart below and compare all dimensions with your original part before ordering.