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Ships within 48 hours · Estimated delivery Sep 26 - Oct 1
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Description
Tekno 21T Mod1 Hardened 5mm bore Pinion Gear TKR4181The new line of Tekno RC M5 Pinion Gears stand out from the rest. These are the ultimate pinions for 1 8th Electric and any other MOD1 pinion application. Sized from 11t all the way to 30t, you are sure to find the right gear ratio for racing or those insane speed runs. The M5 set screw ensures that your gear will stay put during operation and ensure you wont strip it out when you need to remove it. The gears are CNC machined, lightened, then hardened
The new line of Tekno RC M5 Pinion Gears stand out from the rest. These are the ultimate pinions for 1/8th Electric and any other MOD1 pinion application. Sized from 11t all the way to 30t, you are sure to find the right gear ratio for racing or those insane speed runs. The M5 set screw ensures that your gear will stay put during operation and ensure you won’t strip it out when you need to remove it. The gears are CNC machined, lightened, then hardened for incredible durability. A laser etched size identification finishes it off.Features:
- Massive M5 set screw grips better and won’t strip out
- Precisely machined and lightened for quiet and efficient operation
- Laser etched for easy identification
- Hardened steel construction
- MOD1 pitch, 5mm bore, standard length shank
- 11t -> 30t sizes for any application
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 5 reviews
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Product Reviews
★★★★★ 5
Alba sunscreen
Size: 5 Fl Oz (Pack of 2), Style: SPF 50
Purchased this sunscreen last season too. Love the more natural ingredients.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Great sunscreen!
Size: 5 Fl Oz (Pack of 2), Style: SPF 50
We love this sunscreen as our compromise between conventional toxic sunscreen and pure zinc that proves challenging to work with! A few bottles lasted us an entire week of vacation!
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Reviewed in the United States on April 21, 2026
★★★★★ 4
Easy to Use, Great for Daily Outdoor Use
Size: 5 Fl Oz (Pack of 2), Style: SPF 50
This has become my go-to sunscreen for daily walks. The spray works at any angle, which makes application quick and easy — especially when you’re trying to get out the door. 🙌
The scent is light and summery, not overpowering, which I appreciate. It performs well for regular outdoor use, though like most sprays, it does leave a slightly sticky feel on the skin.
For those who pay attention to ingredients, this has an EWG rating of 4 (with 10 being the worst), so while it’s not the cleanest option out there, there are definitely greener alternatives if that’s a priority for you.
Overall, a convenient and reliable everyday sunscreen, especially for active outdoor routines.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Best for Construction Workers
Size: 5 Fl Oz (Pack of 2), Style: SPF 70
I work on hot rooftops with a white surface, surrounded by metal duct work that reflects the sun all day long. It could be 70° at ground level but 100° on the roof.
This is the best unscented, sweat proof sunscreen I have been able to find. I only need to reapply at around 1:00pm. I made it the entire summer without a sun burn. Pretty impressive.
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Reviewed in the United States on September 16, 2024
★★★★★ 5
Works very well!
Size: 5 Fl Oz (Pack of 2), Style: SPF 70
Excellent alternative to Neutrogena with a coconut flair! Great product!
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Reviewed in the United States on July 22, 2025