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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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For Your Every Summer RSVP, with Code: SUMMER15
Description
OS GT33 (Plus Firebrand will include FREE genuine OS Standoffs!)OS is a brand that stands for premium engines. Made in Japan. For those who want the best. OS Standoffs to suit included! Displacement 32. 98cc Bore 36. 0mm Stroke 32. 4mm Output 3. 9ps 9,000r. p. m. Practical RPM range 1,8009,000r. p. m. Propellersize Break in : 188 SportStunt : 1810,1812,1910,208,2010 Weight 984. 2g
OS is a brand that stands for premium engines.
Made in Japan. For those who want the best.
OS Standoffs to suit included!
| Displacement | 32.98cc | |
|---|---|---|
| Bore | 36.0mm | |
| Stroke | 32.4mm | |
| Output | 3.9ps/9,000r.p.m. | |
| Practical RPM range | 1,800～9,000r.p.m. | |
| Propellersize | Break-in : 18×8 Sport・Stunt : 18×10,18×12,19×10,20×8,20×10 |
|
| Weight | 984.2g | |
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
4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great socks
My fav socks. I am a size 9 women’s and they fit perfect. They are soft and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
Great socks!
These are great low cut socks with padding in appropriate places. The shape keeps them from sliding down in my tennis shoes. I just wish more than three pair came in the pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Great socks
Size: Large, Color: (672) Super Pink / Blaze Orange / Super Pink
My favorite socks! Fit great and don’t slip down in my shoes. They are cozy and cushiony. I love the colors too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
★★★★★ 5
Quality under armor product
These are so very comfortable they are thin yet keep my feet warm around the house while it’s snowing outside
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
★★★★★ 5
Fav socks
My favorite socks! Love them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
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