SKU: 98248911032

KST LDS Kit for the X10 Servo

Sale price$44.10 Regular price$49.00
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Description

KST LDS Kit for the X10 ServoA High Performance LDS (linear drive system) for the KST X10 servo. I would have zero qualms installing this LDS system in a dynamic soaring ship (many folks already have and with great success); anything else will be a walk in the park for this system. The servo trays have an outboard ball bearing that helps to carry the servo shaft loads and greatly reduces servo play. The unique servo arm is designed so that it has tons of clearance, no more

A High Performance LDS (linear drive system) for the KST X10 servo.

I would have zero qualms installing this LDS system in a dynamic soaring ship (many folks already have and with great success); anything else will be a walk in the park for this system.

The servo trays have an outboard ball bearing that helps to carry the servo shaft loads and greatly reduces servo play. The unique servo arm is designed so that it has tons of clearance, no more grinding your clevis' for maximum throw. The servo arm then connects to a strong control rod which connects to a double carbon fork epoxied inside of the control surface, this results in massive throws while the whole system is contained within the wing. Aerodynamically clean and slop free.

There are a number of ratios available. As the builder you will need to make your own decision as to which ratio to choose. The different ratios are presented like this for example: 6.35mm / 5.83mm. The first number 6.35mm is the "servo arm length" which is the distance from the center of the servo output shaft to the hole in the servo arm. The second number 5.83mm is the "control horn height" which in this case is the distance from the bottom of the horn to the connecting rod hole.

Studying the parts kit, you will find exceptionally well machined components; the CNC parts are beautiful, the anodizing is clean, resulting in a very good fit and finish. The kit is well thought out and very complete (even includes sand paper and super glue for assembly). You are given a choice for your pushrod assembly, you can use the included carbon rods to create exact length push rods or you can make adjustable length pushrods using the included threaded rod. The designer has proven that the carbon pushrod assembled using super glue can withstand 220lbs in tension. The servo frame parts are machined from 3.5mm thick carbon and the control horns are machined from 1.7mm carbon. Beefy stuff.

Another aspect of these servo frames that we liked is that they will fit into smaller servo pockets than other larger servo frames in this class. The servo pushrods are connected to the servo drive and control horn using machined pins that accept e-clips at both ends for retention. The kit includes extra e-clips in case some get lost. FYI, the designer has created an e-clip installation tool to make it much easier to install the clips. I have used it and it works very well. On the other hand removing them will require some patience.

Below is a video you can watch to learn how these kits are assembled. The kits have been improved since the video was made so you will notice some discrepancies between the video and the kit, parts-wise. The video is still relevant for learning how to assemble the system.

What comes in the kit: 

  • D2.5*60mm Carbon Fiber Push Rods *2
  • m3*50mm Threaded rods *2
  • Dual Servo Horns H:6.35mm*2
  • Servo Frames*2
  • Ø2*11.2mm Precision Metal Pins*4
  • E-clips*8
  • M3*6 Screws*4
  • M2.3*15 Screws*2
  • Aluminum Connector 4*4*27mm *2 (for Dual Control Horn) M3Thread
  • Aluminum Connector R 3.9*3.9*25mm *2 (for LDS Servo Horn) M3 Thread
  • Ball Bearings Ø5.0*8*9.2*2
  • Optional Control Horns*4 pieces

Features:

  • Works with X10/X10mini/DS225MG/DS125MG
  • Anodized Aluminum Alloy Surfaces
  • The linkage and servo arm are designed so that the maximum servo travel can be used
  • Precise fitting and slop-free servo arms (center distance 6.35mm)
  • Optimal power transmission possible
  • The Length of Carbon Push Rod can be easily assembled between 45-123mm in length
Shipping Notes
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 98248911032

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Jason S Kinder
Battle Creek, US
★★★★★ 5
Battery lasts a long time
Color: Black
Very nice headphones really really like them they have great sound adjustable app to adjust the settings on the earphones has great Bass not loud bass great Bass and charge time last is forever great value for your money easy to set up make sure you download the app you can change a lot with them charge time about an hour but it lasted for like a week for me and I use it like 2 hours a day
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Reviewed in the United States on April 22, 2026
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Brett Summers
Birmingham, US
★★★★★ 4
Great no-frills Bluetooth wireless headphones
Color: Blue
I did not read the description carefully. It states what devices these headphones are compatible with and "desktop computer" is not one of them. I called Sony and they told me they will work with almost any modern device that has Bluetooth connectivity. I easily wirelessly connected them to my desktop computer and they work great. Strangely the user guide gives instructions on how to use them with Mac and Windows computers, so read the user guide/manual that is linked in the description. If you want to use any of the functions of the Sony Headphones Connect app you will need a compatible phone. If you do not use the app (not compatible with computers) they function as a basic pair of wireless headphones. All rather confusing and the Amazon description does nothing to clear it up. With that being said I connected it easily to my desktop computer. I am no audiophile and do not need a $400 pair of headphones. To me they sound great especially for the inexpensive price. They are NOT noise cancelling headphones and I did not want noise cancelling. They are "on the ear" headphones meaning they are about the size of your ear and press your ears against your head creating a bit of a seal keeping some exterior noise out. Works fine, but if you wear eyeglasses and wear the glasses and the headphones at the same time after a few hours it can become uncomfortable as the headphones press your ear against the arm of the glasses and the arm of the glasses into the side of your head. The charging port on the headphones is USB C and they come with a USB A to USB C cable but no charging brick. I connected mine to my computer with a USB C to USB C cable and it charged fine. 50 hours of playtime on one charge is great. One star for a confusing and unclear Amazon description. 4 stars for a good basic pair of headphones that works with almost any modern Bluetooth device, albeit without the functions of the Sony app (unless you are using it with a compatible phone).
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Reviewed in the United States on December 12, 2025
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Love_is_Love
Los Angeles, US
★★★★★ 5
Lightweight, great sound and beautiful color.
Color: Cappuccino
I absolutely love these headphones. The color is great, they're lightweight, feel great on my ears and head. They're great quality and love that they twist down when testing then on my neck so they're not hitting my face. I would recommend this product!
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Reviewed in the United States on May 16, 2026
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Jocelyn Solano
Grantham, US
★★★★★ 5
Good sound
Color: Cappuccino
Not super noise canceling but good quality charge last a very long time. Controls on the ear piece are a bit awkward to use.
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Reviewed in the United States on May 30, 2026
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SG
New York, US
★★★★★ 5
Perfect for me!
Color: Black
Slim/lightweight. Comfortable fit. Good charge. Though my volume was on a 4 or 5 and when I took the headphones off I could hear my music a little. You can’t fold to close them like other styles but I can rotate the earmuffs to make them fit in my bag. Definitely a solid pair of wireless headphones for a good price!
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Reviewed in the United States on May 31, 2026

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