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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
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Description
Tekno 27T Mod1 Hardened 5mm bore Pinion Gear TKR4187The 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 8 reviews
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Product Reviews
★★★★★ 2
awful smell
Color: White, Size: Full
Awful smell!! I have waited days for it to go away and it just won't, its also not as thick and comfy and hasn't smoothed out completely there are folds in some parts
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Very comfortable topper
Color: White, Size: Queen
Love my new bed topper !!
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Like a new bed.
Color: White, Size: Queen
Surprising how small the box it was delivered in. As the packaging is removed, the topper grows to full size. Easy to install. Very comfortable to sleep in. Getting into and out of a bed that is four inches taller takes some getting used to.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Great Topper
Color: White, Size: Twin XL
It was exactly what was needed.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Good to know.
Color: White, Size: Queen
Topper was great it saved my back
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Reviewed in the United States on April 18, 2026