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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
For Your Every Summer RSVP, with Code: SUMMER15
Description
TRX-4M brass hex adaptar (6mm)The TRX4 M Brass Hex Adapter (6mm) is a set of four hex adapters designed to fit the TRX 4M. These hex adapters are 6mm in thickness and are made of high quality CNC machined brass, adding 5g to the axles to lower the center of gravity and add forward weight bias for improved climbing performance. The black coating on the hex adapters helps prevent corrosion. It is important to note that factory bushings may not fit and any brand bearing will need to

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 1780 reviews
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Product Reviews
★★★★★ 5
Fluff them up-put them in the dryer to get shape back!
Style: Medium/Firm, Size: Queen
At first I thought the wrong pillows were sent. Their shape had been pressed out of them. I put them in my dryer on fresh air for half an hour and they were fine. Very nice choice.
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Reviewed in the United States on October 23, 2025
★★★★★ 1
llike to be refunded or credit my account
Style: Medium/Firm, Size: Queen
terrible pillows
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Reviewed in the United States on August 27, 2025
★★★★★ 5
Wonderful pillows!
Style: Medium/Firm, Size: Queen
Wonderful pillows!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 23, 2025
★★★★★ 5
Affordable quality sheets
Style: Medium/Firm, Size: Queen
Vwry soft and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 3, 2025
★★★★★ 1
No fluff to fill
Style: Medium/Firm, Size: Queen
Arrives vacuum packed; not a problem with that; however, a week after opening the pillows are still flat. I thought they might still work for my pillow shams - not what they were bought for, but they didn’t fill out the shams either. Sad as I really like Serra brand normally.
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Reviewed in the United States on January 2, 2026




