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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Tekno 25T Mod1 Hardened 5mm bore Pinion Gear TKR4185The 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
4.7 ★★★★★
Based on 1670 reviews
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Product Reviews
★★★★★ 4
Genuine parts that keep my S1 Pro running like new
Fit & Quality:
Everything fit perfectly on my Eufy Omni S1 Pro — the rollers snapped right in, and the filters matched the originals exactly. You can tell these are genuine Eufy parts, not knockoffs.
Performance:
After swapping the brushes and mop roller, my vacuum immediately started cleaning better again. Suction improved, and it picked up fine dust I hadn’t noticed before.
Ease of Use:
Installation took less than ten minutes. Everything comes sealed and labeled clearly, which makes it simple to replace parts without guessing.
Value:
It’s a little pricey compared to third-party kits, but the quality and compatibility are worth the extra few bucks.
Verdict:
Solid replacement set that restores performance to like-new.
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Reviewed in the United States on November 2, 2025
★★★★★ 5
Great aftermarket substitute items
Great quality and fit
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Reviewed in the United States on December 16, 2024
★★★★★ 5
Must have along with the Eufy S1 Pro...
A very nice addition to an already great product.
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Reviewed in the United States on April 29, 2025
★★★★★ 5
Good quality
Good quality replacement parts
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Reviewed in the United States on October 1, 2024
★★★★★ 5
Supplies
I haven't use any of them yet but looks good
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Reviewed in the United States on September 17, 2024