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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
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Description
Sprindex Adjustable Rate Coil Spring, 55x126mm - 430-500lbsAdjustable base spring rate by changing the length of effective coils Includes spring, adjuster, and 5 Delrin performance adapters that allow the spring to spin while compressing and also adapt to a variety of shocks on the market Coil is made of super high tensile spring steel similar to "lightweight" springs (which is why Sprindex is lighter than regular springs) in order to handle the stress of the system when adjusted to its highest spring rate
- Adjustable base spring rate by changing the length of effective coils- Includes spring, adjuster, and 5 Delrin performance adapters that allow the spring to spin while compressing and also adapt to a variety of shocks on the market
- Coil is made of super high tensile spring steel similar to "lightweight" springs (which is why Sprindex is lighter than regular springs) in order to handle the stress of the system when adjusted to its highest spring rate setting, as well as reduce coil mass
- Behaves like a regular coil that has a spring rate the same as your adjusted Sprindex spring rate. Adjusting your Sprindex does not change the length of the coil and so does not change your preload. Preload is adjusted normally and with the threaded ring that came with your shock
- The first 80% of the stroke has a linear rate while the last 20% of the stroke has a progressive rate to help smooth bottom out
- Model only designates stroke length
Today's Stock Status
Currently not available
UPC: Not available
EAN: 4983103168623
Manufacturer Part Number: 24450
XD1001
160643-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Totally worth the money
Size: King (Pack of 1), Size: King (Pack of 1)
Right off the bat, the packaging is absolutely adorable and felt like I was buying a premium product. I love that this pillow is adjustable and as a side sleeper, I needed a pillow that is both firm and supportive of my neck. This hits all the boxes. We will be buying more of these for our bed!
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Very good quality
Size: King (Pack of 2)
Cooling and soft . Very satisfied with the quality.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Best pillows ever
Size: King (Pack of 2)
“These pillows are incredibly comfortable! They’re soft, supportive, and hold their shape really well. The material feels high quality and makes relaxing or sleeping so much more enjoyable. I noticed a difference right away — whether I’m watching TV, reading, or going to bed, they provide the perfect amount of comfort. Definitely one of the best pillow purchases I’ve made!”
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Soft but Supportive, Sleeps Cool！
Size: Queen (Pack of 2)
Very comfortable and adjustable pillows. Good neck support for side and back sleeping. They feel cool and not too hot at night. Great value for a set of two. Happy with my purchase.
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Reviewed in the United States on May 9, 2026
★★★★★ 4
LOVE IT but cooling depends on readjusting frequently
Size: Queen (Pack of 2)
I’ve actually been pretty happy with this product overall, especially for comfort and the initial cooling effect. When you first sit or lay on it, it definitely feels cool and refreshing, which is a huge relief if you run warm or live somewhere hot. Humanity continues its decades-long campaign against functional air circulation, so products like this are doing important work.
That said, I do think it’s important to be realistic about expectations. The cooling effect doesn’t stay perfectly consistent in one spot forever. After sitting or laying in the same position for a while, the area naturally warms up and you’ll usually need to shift or readjust to feel the cooler sections again. It’s not “ice cold all the time” magic despite what some listings might make people imagine.
Even with that limitation, I still think it works well and is worth purchasing. The materials feel comfortable, the quality seems solid, and it absolutely helps reduce heat buildup compared to regular fabric or cushions. I’ve found myself using it regularly, especially during warmer days and nights.
So if you go into it understanding that movement/readjustment is part of how the cooling effect works, it’s actually a very good product and noticeably more comfortable than standard alternatives.
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Reviewed in the United States on June 3, 2026