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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
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Description
Losi 1:10 Lasernut U4 Tenacity LOS03028 / Tenacity DB Pro LOS03027V2 Upgrade Parts Aluminum Rear Thickened Spring Dampers 101mm - 12Pc Set SilverMade from quality light weight high tensile strength aluminum 6061T6 for greater stability and durability. The spring coil is increased from original 1. 4mm to 1. 5mm for more powerful use. The shock shaft is made 4mm thick (original is 3. 5mm) and smoothly polished to achieve higher durability and prevent bending. Silicone oil is pre filled for smooth travel. Alloy body with shock absorb cap to seal tightly and avoid leaking. Package includes :
- Made from quality light weight high tensile strength aluminum 6061T6 for greater stability and durability. The spring coil is increased from original 1.4mm to 1.5mm for more powerful use.
- The shock shaft is made 4mm thick (original is 3.5mm) and smoothly polished to achieve higher durability and prevent bending. Silicone oil is pre-filled for smooth travel. Alloy body with shock-absorb cap to seal tightly and avoid leaking.
- Package includes : Damper-2pcs ; 9mm Balls-2pcs ; Stainless Steel Round Head Screw 3x16-2pcs ; Stainless Steel Round Head Screw 3x23-2pcs ; 3mm Lock Nut-4pcs.
- Original stock part number : LOS233011.
- Will fit : Losi 1/10 Lasernut U4 Tenacity Rock Racer LOS03028, 1/10 Tenacity DB Pro 4WD Desert Buggy LOS03027V2
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
4.8 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Holds up! Good thrower!
Good quality! Throws far! Love this brand!
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Reviewed in the United States on April 10, 2026
★★★★★ 4
Almost Perfect
If you’ve ever seen these things, the foldable ones are just as good as the standard ones. I just wish when you folded it up there was a way to lock it into that position. When you unfold it to play, you lock it into place with the orange locking slide so it doesn’t fold up on you. But when you’re done playing and fold it up, there’s no way to lock it into that position, it can keep unfolding if you carry it around with you, plus the orange locking slide keeps sliding up and down. It’s not a huge deal, but they could’ve made it better.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Helpful
I’ve used Chuckit ball launchers, this one is foldable, great for my back pack when camping with my dog
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Reviewed in the United States on February 27, 2026
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
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