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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
Tekno 28T Mod1 Hardened 5mm bore Pinion Gear TKR4188The 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
4.2 ★★★★★
Based on 557 reviews
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Product Reviews
★★★★★ 4
Great for school trips and camping
Color: Sunburst Orange, Style: Everyday 3 Season 50-80° F, Color: Sunburst Orange, Style: Everyday 3 Season 50-80° F
My daughter went on a school camp trip and needed a sleeping bag, so I decided to get this one. I chose the adult size instead of the kids’ version so we can use it in the future too. It turned out to be a great choice — it’s roomy and comfortable, and even I fit inside easily.
The material feels soft and pleasant to the touch, and the zipper works smoothly without getting stuck. It keeps you warm at night but doesn’t feel too hot, which is perfect for cool-weather camping. I did notice that along the edges there’s a section without insulation for quite a bit of distance — not a big issue, but something to be aware of. I tried to show this part in my video.
The color is bright and cheerful, exactly as shown in the pictures. Overall, I’m very happy with this purchase — it’s lightweight, cozy, and easy to use. The only challenge is rolling it up and fitting it back into the carrying bag. Even for me, it took some effort since the sleeping bag is quite bulky. The material seems sturdy and well-made, but we’ve only used it once, so time will tell about its durability. Maybe the manufacturer could improve that part in the future. Still, it’s a great option for school trips, camping, and sleepovers.
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Warm, comfortable, and great value for the price
Color: Ocean Blue, Style: Everyday 3 Season 50-80° F
I bought this sleeping bag for my son on a recent camping trip, and it performed surprisingly well. It warms up quickly once you’re inside, and the material feels soft and comfortable against the skin. The zipper runs smoothly and doesn’t get stuck easily, which is a big plus.
It’s lightweight and packs down small, so it’s easy to carry and doesn’t take much space in his backpack.
However, It’s not warm enough for very cold nights below the temperature rating, so if you’re camping in winter, you may need an extra blanket or liner.
Overall, for the price, this sleeping bag is an excellent buy—comfortable, warm, and very practical. I would like to give five stars.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Easy travel sleeping bag!
Color: Ocean Blue, Style: Everyday 3 Season 50-80° F
Bought this for my son for his 5th grade camp, it was perfect, light enough for him to handle and warm enough at night!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
it’s great quality for the price, and I would definitely recommend it
Color: Blossom Pink, Style: Everyday 3 Season 50-80° F
I’m very impressed with this sleeping bag! It’s incredibly comfortable, warm, and lightweight, making it perfect for camping trips and sleepovers. The material feels soft on the inside but durable on the outside, and the zipper works smoothly without snagging.
It kept me warm throughout the night without feeling too heavy, and it rolls up easily for storage and travel. Overall, it’s great quality for the price, and I would definitely recommend it to anyone looking for a reliable and cozy sleeping bag.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Perfect for Sleepovers
Color: Forest Green, Style: Everyday 3 Season 50-80° F
We purchased two of these for our grandkids (ages 6 and 8) to use while they visited for 3 days. It was “indoor camping” and they worked perfectly. Lightweight construction made them comfortable in 70+ degrees, and the way the manufacturer uses multiple pockets of insulation keeps it from bunching up, while remaining super soft and comfortable. Clean on a gentle cycle and they will last a long time… a great value for the price!
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Reviewed in the United States on April 12, 2026