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- USA
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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
For Your Every Summer RSVP, with Code: SUMMER15
Description
Tekno R/C TKR4181 "M5" Hardened Steel 5mm Bore Mod 1 Pinion Gear (21T)Tekno RC TKR4181 Pinion Gear 21T M5(MOD1 5mm Bore M5 Set Scrw) This is the 21 Tooth M5 Pinion Gear from Tekno RC. Features: Ideal for 1 8 scale and other MOD1 pinion applications Constructed of CNC machined steel, lightened and hardened for durability Standard length shank Number of teeth laser etched on shaft Includes: 21 Tooth Pinion Gear, M5 Set Screw Specs: Number of Teeth: 21 Gear Pitch: MOD1 Hole Diameter (Bore): 5mm

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
4.0 ★★★★★
Based on 1599 reviews
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Product Reviews
★★★★★ 3
Not quite light blue but still comfortable
Size: XX-Large, Color: Light Blue
Looks more green than light blue….
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2025
★★★★★ 5
Reco’s Review
Size: X-Large, Color: Black
🤠 “Howdy folks’ i love my shirt, it looks and fits absolutely wonderful!❤️
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Reviewed in the United States on May 18, 2025
★★★★★ 5
Soft durable shirt
Great soft shirt, true to size
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Reviewed in the United States on May 30, 2025
★★★★★ 4
Quality Shirt but Not Wrinkle-Free
Size: Large, Color: Grey, Size: Large, Color: Grey
I’ve worn and washed this shirt 5 times now and it still looks and feels as good as when first received. It has a nice material with a subtle sheen that gives it a rich look, and the fabric is both durable and comfortable against my skin. I will say that it’s not exactly wrinkle free though. While it does require much less ironing than say a cotton shirt, I’ve at least had to steam iron it to remove some wrinkles before each wear. The ad also says it stretches, and while it does offer a little “give” it’s not exactly stretchy like spandex, in case that’s what you’re expecting. Apart from that, it’s a quality shirt that looks good, feels good, I’ve received compliments while wearing it, and it’s held up so far.
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Reviewed in the United States on May 15, 2025
★★★★★ 5
Soft, white shirt
Fit perfectly
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Reviewed in the United States on June 9, 2025




