Brand | KontrolFreek |
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Manufacturer | KontrolFreek |
Place of Business | Atlanta, GA 30318,US |
Model | 399402 |
Part Number | 2040-XB1 |
Hardware Platform | Xbox One |
Compatible Devices | Gaming Console |
Number of Items | 5 |
Color Screen | No |
Batteries included | No |
Batteries Required | No |
Material Type | Rubber |
Has auto-focus | No |
Includes rechargable battery | No |
Has Programmable Buttons | No |
Manufacturer | KontrolFreek |
Item model number | 399402 |
Product Dimensions | 2.29 x 2.29 x 1.02 cm; 5.67 g |
ASIN | B01BCOAE7G |
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KontrolFreek FPS Freek Inferno for Xbox One and Xbox Series X Controller | Performance Thumbsticks | 2 High-Rise Concave | Red
Purchase options and add-ons
Compatible devices | Gaming Console |
Material | Rubber |
Colour | Red |
Brand | KontrolFreek |
Product Dimensions | 23L x 23W x 10H millimeters |
UPC | 701979993521 |
Global Trade Identification Number | 00701979993521 |
Manufacturer | KontrolFreek |
About this item
- INCREASED ACCURACY - Adds 10.1 mm of added height to increase arc distance, resulting in more precise in-game movements and faster target acquisition
- ENHANCES GRIP - Non-slip, proprietary rubber compound offers exceptional grip with laser-etched detailing
- INCREASED COMFORT - Requires less force which reduces wrist, hand and thumb fatigue
- TWO HIGH-RISE (CONVEX) THUMBSTICKS - Improves your shooting accuracy, particularly at mid-to-long ranges, and allows quick transitions between building, looting and farming
- DESIGNED - with a comfortable spiral pattern that adapts to the pressure you put on it, so the harder you play, the harder Inferno works to keep your thumbs from slipping *Packaging May Not Reflect Updated Compatibility
Frequently bought together

Product information
Technical Details
Additional Information
Date First Available | Feb. 1 2016 |
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Customer Reviews |
4.4 out of 5 stars |
鶹 Rank |
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Is discontinued by manufacturer | No |
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This Item ![]() KontrolFreek FPS Freek Inferno for Xbox One and Xbox Series X Controller | Performance Thumbsticks | 2 High-Rise Concave | Red | Recommendations | |||||
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Price | $22.99$22.99 | $19.99$19.99 | $14.99$14.99 | $25.99$25.99 | $22.99$22.99 | $22.99$22.99 |
Delivery | Get it by Monday, Aug 11 | Get it by Monday, Aug 11 | Get it by Tuesday, Aug 12 | Get it by Monday, Aug 11 | Get it by Monday, Aug 11 | Get it by Tuesday, Aug 12 |
Customer ratings | ||||||
Sold by | KontrolFreek | KontrolFreek | KontrolFreek | KontrolFreek | KontrolFreek | KontrolFreek |
compatible devices | Gaming Console | Gaming Console | Xbox Controllers | Xbox One | Gaming Console | Gaming Console |
number of keys | 2 | — | — | 2 | — | 2 |
Product Description



Increase Accuracy!
Raised thumbsticks for faster target acquisition and increased precision control.
Premium Extra Grip!
Laser etched design provides traction and just enough squish for comfort all game long.
Extra Stability!
4 prong design ensures thumbsticks stay put even in the most intense gameplay.
Pick yours now!
FPS Freek Inferno features an awesome red spiral design on black prongs.
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Customer Reviews |
4.4 out of 5 stars 14,938
|
4.2 out of 5 stars 2,315
|
4.4 out of 5 stars 10,040
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4.1 out of 5 stars 3,022
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4.3 out of 5 stars 3,548
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Height | Mixed-Rise Performance Thumbsticks | Mixed-Rise Performance Thumbsticks | Mixed-Rise Performance Thumbsticks | High-Rise Performance Thumbsticks | Low-Rise Performance Thumbsticks |
Accuracy | Adds 120% more range of motion | Adds 120% more range of motion | Adds 120% more range of motion | Adds 120% more range of motion | Adds 30% more range of motion |
Best For | Best for multi-genre & FPS gamers | Best for multi-genre & FPS gamers | Best for multi-genre & FPS gamers | Best for TPS & FPS gamers | Best for Sports & Platformer gamers |
Brands in this category on 鶹
Customer reviews
Customers say
Customers like the performance, grip, and durability of the keycaps. They mention they work really well, hold on tight, and are of good quality. Customers also appreciate the easy installation, comfort, and gameplay. However, some customers have reported that the keycaps always fall off and lose their grip quickly. Opinions are mixed on the fit.
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Customers are satisfied with the performance of the keycaps. They mention they work really well, help with fatigue during extended play, and improve the functionality of the controller for game play. Some also say they're easy to install with a few tweaks to their settings.
"Great product to create a more ergonomic hand position on the controller. Also improves the functionality of the controller for game play." Read more
"Works great looks great and very easy to install with a few tweaks to my settings it improved my aim and mechanics definitely recommend 👌..." Read more
"...for me other than that the feel is amazing and it really improved my game play" Read more
"Easy to install; works well enough to help with fatigue during extended play; one of them keeps falling off during hand to hand combat, which is..." Read more
Customers like the grip of the keycap. They mention it snaps on and holds on tight.
"Good grip..." Read more
"If you want good aim and grip, go for these." Read more
"...They snap on and hold on tight. It looks like my hunch was right about the rubber softening with age... buyer beware!..." Read more
"...Another advantage is the extra grip they provide. I don't use official Xbox controllers anymore since they are built like junk...." Read more
Customers like the durability of the keycaps. They mention they're sturdy and of good quality.
"Good quality. Made a positive difference when playing. I like the increase in control." Read more
"...I'm very happy with this purchase right now, and assuming they stand the test of time, I will be buying more KontrolFreek grips in the future." Read more
"Fiancé wasn’t a fan of these but they seem like good quality" Read more
"They are good because the price is cheap they are sturdy" Read more
Customers find the keycaps easy to install. They mention they snap on and hold on tight.
"Works great looks great and very easy to install with a few tweaks to my settings it improved my aim and mechanics definitely recommend 👌..." Read more
"...They snap on and hold on tight. It looks like my hunch was right about the rubber softening with age... buyer beware!..." Read more
"I am really impressed by these grips. Not only are they foolishly easy to install, they are extremely comfortable...." Read more
"Easy to install; works well enough to help with fatigue during extended play; one of them keeps falling off during hand to hand combat, which is..." Read more
Customers like the comfort of the keycap. They mention it feels nice.
"...Not only are they foolishly easy to install, they are extremely comfortable. They also increase the circumference of the top of the sticks...." Read more
"...joystick so it was really a probleme for me other than that the feel is amazing and it really improved my game play" Read more
"Very grippy, excellent feel." Read more
"Only high rise but that’s fine as it feels so nice..." Read more
Customers like the keycaps for their gameplay. They mention they work really well, help with fatigue during extended play, and are good depending on use. Customers also say they improve gameplay and precision. However, some customers have reported that one of the keycaps keeps falling off.
"replaced mine on my current controller and gave me much more playing flexibility" Read more
"Fits perfect and gives a little edge to your gaming ability" Read more
Customers have mixed opinions about the fit of the keycaps. Some mention they fit nicely and the controller overall fits their hands better. However, others say the thumbsticks are badly fitted for Xbox One controllers and do not stay on.
"...These fit perfectly on my powerA brand controller." Read more
"They dont fit on scuff controllers so i had to super glue it witch ruined the joystick but i have multiple other joystick so it was really a..." Read more
"Easy to attach. Grip is nice. Controller overall fits my hands better" Read more
"Fits perfect and gives a little edge to your gaming ability" Read more
Customers are dissatisfied with the stability of the keycaps. They mention they always fall off, don't stay on the joysticks, and lose their grip quickly.
"...new 1s the 1 on the left just don't seem to want to stay on... fell off 3 times in middle of a match just now and came off super easy... I really..." Read more
"...As a result, they didn't really sit on top straight, and wanted to fall off since all it had to grab was the plastic inner cap...." Read more
"Im a hard user on my sticks so they pop off quite a bit ," Read more
"...help with fatigue during extended play; one of them keeps falling off during hand to hand combat, which is annoying." Read more
Reviews with images

Top reviews from Canada
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- Reviewed in Canada on July 16, 2025Verified PurchaseWorks great looks great and very easy to install with a few tweaks to my settings it improved my aim and mechanics definitely recommend 👌
- Reviewed in Canada on June 17, 2025Verified PurchaseIf you want good aim and grip, go for these.
- Reviewed in Canada on February 2, 2025Verified PurchaseIt's great for call of duty black ops 6 for your aiming and your sensitivity don't even worry about adjusting it however the precision rings suck and I'm not just saying that they're garbage it ripped and I don't think they're helpful at all and if you do use them make sure you set your sensitivity from a 1.5 1.6 to about a 2.0 or a little less because they're just crap all they do is slow down your aim if you are that incompetent you do not play call of duty black ops 6 however the red tops I think they're awesome and make sure you buy a Xbox for The vitrix BFG pro and the PS5 one just buy a standard PS5 Topps and I hope that helps because I accidentally bought the PS5 caps and it didn't fit The BFG at vitrix pro so I had to research and then I was told that the Xbox fits and it fits nice and snug and if you buy the PS5 caps it will not work so don't even bother it's just loose they fall off just make sure you buy the Xbox edition ones and you'll be good to go only if you have a BFG the tricks pro if you have a PlayStation 5 controller by the PlayStation 5 caps
- Reviewed in Canada on October 25, 2022Verified PurchaseEither I got a bunk pair or they really went down in quality... on the right Is my old discontinued ultra x which I litterally had to like pry off just for the photo but these new 1s the 1 on the left just don't seem to want to stay on... fell off 3 times in middle of a match just now and came off super easy... I really wish they didn't discontinue the old ultra x 1s... disappointed in the new 1s
Update 1 after awhile of using them they finally staying on and they work good
Update 2 10 months later they are slowly disintegrating. The red stuff slowly getting everywhere
4.0 out of 5 starsEither I got a bunk pair or they really went down in quality... on the right Is my old discontinued ultra x which I litterally had to like pry off just for the photo but these new 1s the 1 on the left just don't seem to want to stay on... fell off 3 times in middle of a match just now and came off super easy... I really wish they didn't discontinue the old ultra x 1s... disappointed in the new 1sDoesn't want to stay on unlike the discontinued ultra x
Reviewed in Canada on October 25, 2022
Update 1 after awhile of using them they finally staying on and they work good
Update 2 10 months later they are slowly disintegrating. The red stuff slowly getting everywhere
Images in this review
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Reviewed in Canada on April 19, 2024Verified PurchaseC’est la troisième que j’Hagette parce que je l’avais pour moi et j’adore. J’ai acheté pour mon gendre, il est vraiment rendu meilleur meilleur, dans le jeu, maintenant il fait plus de kills
- Reviewed in Canada on August 22, 2022Verified PurchaseEDIT: New thumbsticks came in from 8bitdo, and I'm happy to report that the issue doesn't exist on like-new caps. They snap on and hold on tight. It looks like my hunch was right about the rubber softening with age... buyer beware!
Original review:
Sadly, trying to clip these on these bit through the caps on my SN30 Pro+. Before someone jumps on me saying I'm dumb, KF's website lists these as also compatible with this controller. Please don't make my mistake.
I'm not mad, these were, after all, made first for the Xbox. I have an XB1 and they snap on no fuss there.
As you can see, the problem must be that either the teeth were too tight, or the rubber cap was too soft, so instead of the teeth wrapping around the cap, they simply tear through it. As a result, they didn't really sit on top straight, and wanted to fall off since all it had to grab was the plastic inner cap. Maybe over time the rubber softened and allowed this to happen, I had this controller for about 2 years and was hoping to enhance my racing games. I'm just gonna order some new caps from 8bitdo...
3.0 out of 5 starsEDIT: New thumbsticks came in from 8bitdo, and I'm happy to report that the issue doesn't exist on like-new caps. They snap on and hold on tight. It looks like my hunch was right about the rubber softening with age... buyer beware!Not really for the 8Bitdo SN30/Pro2 controllers as claimed.
Reviewed in Canada on August 22, 2022
Original review:
Sadly, trying to clip these on these bit through the caps on my SN30 Pro+. Before someone jumps on me saying I'm dumb, KF's website lists these as also compatible with this controller. Please don't make my mistake.
I'm not mad, these were, after all, made first for the Xbox. I have an XB1 and they snap on no fuss there.
As you can see, the problem must be that either the teeth were too tight, or the rubber cap was too soft, so instead of the teeth wrapping around the cap, they simply tear through it. As a result, they didn't really sit on top straight, and wanted to fall off since all it had to grab was the plastic inner cap. Maybe over time the rubber softened and allowed this to happen, I had this controller for about 2 years and was hoping to enhance my racing games. I'm just gonna order some new caps from 8bitdo...
Images in this review
- Reviewed in Canada on April 29, 2020Verified PurchaseI am really impressed by these grips. Not only are they foolishly easy to install, they are extremely comfortable. They also increase the circumference of the top of the sticks. I found the circumference of the Xbox One sticks to be a little small, but these grips solve that problem for me perfectly.
I'm very happy with this purchase right now, and assuming they stand the test of time, I will be buying more KontrolFreek grips in the future.
- Reviewed in Canada on February 2, 2021Verified PurchaseGreat product to create a more ergonomic hand position on the controller. Also improves the functionality of the controller for game play.
Top reviews from other countries
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Diego García SedanoReviewed in Mexico on December 25, 2023
5.0 out of 5 stars Excelente producto
Verified PurchaseThe media could not be loaded.
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DamianblackReviewed in the Netherlands on August 23, 2022
4.0 out of 5 stars Snelle levering
Verified PurchaseWas een cadeau, dus kan het produkt niet beoordelen
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úReviewed in Spain on April 21, 2025
5.0 out of 5 stars Kontroll freak
Verified PurchaseMuitos bons!
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بسام الياميReviewed in Saudi Arabia on April 5, 2024
3.0 out of 5 stars قطعة رهيبه
Verified Purchaseقطعة رهيبة لكن مع الاسف ما تقدر تغير مقاسها