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Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body
Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body, view 2Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body, view 3Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body, view 4Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body, view 5Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body, view 6
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Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio with CNC Aluminum Alloy Body

$37.99–$148.49

In stock at guyker.com

The Guyker GKA-3639SP is a locking bass tuner with a CNC aluminum alloy body, brass gears and a 1:26 ratio. It uses an M13 x 1 thread with a 24.6 mm post height, and each tuner weighs about 73.1 g. Five finishes and five layouts are available. It suits bass players who want locking stability and easier string changes.

Shop now at Guyker →Code ALEKSANDRBODNAR

See all 922 Guyker products·Guyker coupon code·Visit guyker.com

Color
Chrome · Black · Gold · Green · Red
Packaging
4L (For Left handed guitar) · 4R (For Right handed guitar) · 2R+2L · 1L (For Left handed guitar) · 1R (For Right handed guitar)

Price and stock from guyker.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • Locking bass tuner
  • 1:26 gear ratio
  • CNC aluminum body, brass gears
  • M13 x 1 thread, 24.6 mm post height
  • Five finishes and five layouts

Best for

Bassists who want locking tuners on a 4-string or custom build.

Things to consider

  • Thread and post height must match your headstock
  • About 73 g per tuner adds weight
  • A full set runs up to $148.49

Key specs

Price$37.99–$148.49
Gear ratio1:26
ThreadM13 x 1
Post height24.6 mm
Overall length87.3 mm
WeightAbout 73.1 g each
FinishesChrome, Black, Gold, Green, Red

Our take

A rare locking bass tuner option; check thread size before ordering.

Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… at a glance

BrandGuyker
Price$37.99–$148.49
TypeBass Tuning Machines
Options5 colors, 5 packagings
AvailabilityIn stock at guyker.com
CouponALEKSANDRBODNAR
ReturnsItems can be returned within 30 days of purchase in original condition with packaging…

Price check

At $37.99, the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… is toward the top of Guyker's price range, whose 921 listed products run $1.99 to $367.49.

Similar items from other brands we track run $12.99 to $796.

Buying from Guyker

Guyker is a good fit for players and hobby builders who want budget-friendly tuners, bridges and small hardware with clearly listed specs. Skip it if you need a part tomorrow, since standard delivery is quoted at 7 to 14 business days after 1 to 3 days of processing. Measure your peg holes, string spacing and post spacing before ordering, because fit is the whole game with replacement hardware.

Shipping
Standard shipping is free on orders of $59.99 or more and $5.99 below that. Orders take 1 to 3 business days to process and 7 to 14 business days in transit for the main zone, which includes the US, Canada, Australia, France and Germany.
Returns
Items can be returned within 30 days of purchase in original condition with packaging intact; you cover shipping on returns for personal reasons. Defects must be reported within 48 hours, and Guyker covers shipping on approved replacements.
Warranty
A one-year limited warranty covers defects in workmanship or materials for the original purchaser of parts bought on guyker.com. Guyker repairs or replaces at its discretion, and the buyer pays any shipping on the claim.
International
Guyker ships to selected countries worldwide in two pricing zones. Customs duties and taxes are paid by the recipient, and P.O. boxes and APO/FPO addresses are not served.

Read our full Guyker review and shop all products →

Frequently asked questions

What thread size does it use?
M13 x 1.
Can I buy a single tuner?
Yes, 1R and 1L options are offered.
How much is the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio…?
Guyker lists it at $37.99–$148.49 on guyker.com. We refresh prices throughout the day, but always confirm the final price at checkout.
Is there a coupon code for the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio…?
Guyker's store-wide code ALEKSANDRBODNAR can be entered at checkout on guyker.com. Guyker sets the discount, and some items or sale prices may be excluded.
What is Guyker's return policy?
Items can be returned within 30 days of purchase in original condition with packaging intact; you cover shipping on returns for personal reasons. Defects must be reported within 48 hours, and Guyker covers shipping on approved replacements.
How long does Guyker take to ship?
Standard shipping is free on orders of $59.99 or more and $5.99 below that. Orders take 1 to 3 business days to process and 7 to 14 business days in transit for the main zone, which includes the US, Canada, Australia, France and Germany.
Does the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… come with a warranty?
Guyker's published warranty terms: A one-year limited warranty covers defects in workmanship or materials for the original purchaser of parts bought on guyker.com. Guyker repairs or replaces at its discretion, and the buyer pays any shipping on the claim.
What options does the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… come in?
Color: Chrome, Black, Gold, Green, Red. Packaging: 4L (For Left handed guitar), 4R (For Right handed guitar), 2R+2L, 1L (For Left handed guitar), 1R (For Right handed guitar).
Where can I buy the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio…?
The Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… is sold directly by Guyker on guyker.com. The Shop now button on this page goes straight to the product there, and code ALEKSANDRBODNAR can be applied at checkout.
Is the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… in stock?
Yes. Guyker lists it as in stock on guyker.com as of our latest check. Stock and prices refresh throughout the day.
Is Guyker a legit store?
Guyker is a good fit for players and hobby builders who want budget-friendly tuners, bridges and small hardware with clearly listed specs. Skip it if you need a part tomorrow, since standard delivery is quoted at 7 to 14 business days after 1 to 3 days of processing. Measure your peg holes, string spacing and post spacing before ordering, because fit is the whole game with replacement hardware. Our full Guyker review covers shipping, returns and what to check before ordering.
Is the Guyker GKA-3639SP Locking Bass Tuning Machine 1:26 Ratio… expensive?
At $37.99 it is toward the top of Guyker's range ($1.99 to $367.49 across 921 products), and similar items from other brands run $12.99 to $796.

More from Guyker

Shop all Guyker →

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