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Description
p1s hardened steel gears Bambu Lab Hardened Steel Extruder Gear Assembly for P1S / X1 SeriesUpgrade your P1S or X1 printer with the official Hardened Steel Extruder Gear Assembly, designed to deliver consistent, long lasting extrusion when printing abrasive engineering materials. This assembly includes the active and driven gears that feed filament into the hotend, providing improved durability and reliability over the standard stainless steel gears. Built from heavy duty hardened steel, this gear set offers increased abrasion
Upgrade your P1S or X1 printer with the official Hardened Steel Extruder Gear Assembly, designed to deliver consistent, long-lasting extrusion when printing abrasive engineering materials. This assembly includes the active and driven gears that feed filament into the hotend, providing improved durability and reliability over the standard stainless-steel gears.
Built from heavy-duty hardened steel, this gear set offers increased abrasion resistance—ideal for carbon-fiber, nylon, and other reinforced filaments. Instead of replacing the entire extruder unit, users can swap just the gear assembly, reducing maintenance cost and keeping the printer running smoothly.
Note: P1 Series extruder units ship with stainless steel gears. Upgrading to hardened steel gears is recommended for printing engineering filaments.
Features
- Enhanced Durability: Hardened steel construction stands up to abrasive materials such as PAHT-CF and PET-CF.
- Cost-Efficient Maintenance: Replace only the gear assembly—no need to purchase a full extruder unit.
- Consistent Filament Feeding: Precision-machined active and driven gears ensure stable extrusion under demanding conditions.
- Optimized for Engineering Materials: Designed for long-term performance with carbon-fiber and reinforced filaments.
Compatibility
- Bambu Lab X1 Series
- Bambu Lab P1 Series
Specifications
Reduction Ratio: 9:53
Supported Filament Diameter: 1.75 mm
Supported Filaments:
PET-CF, PAHT-CF, PA6-CF, PLA-CF, PETG-CF, PLA, PETG, ABS, ASA, PC, TPU
Materials: Plastic, Metal
Packaging Size: 60 × 60 × 30 mm
Installation
Full replacement instructions are available on the Bambu Lab Wiki.
In the Box
- Hardened Steel Extruder Gear Assembly
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 323 reviews
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Product Reviews
★★★★★ 3
Weird story, but great writing
Format: Hardcover
This novel started out strong: good premise, good writing that pulls you in and makes you feel like you're there with the main character, and a great setting for creepiness. BUT, as I continued to read, I got more frustrated by it. The main character's actions become irritating, the story bogs down a bit towards the end, and there is ZERO explanation for any of the purpose behind her actions. Some questions I still have: WHY do you have to follow these specific instructions, what really happens if you don't, and WHO are the people on the phone? If you're a fan of "Lost" or "From", you'll probably enjoy this. But if you need closure and a solid ending, this might only frustrate you.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
The entity is satire for suicidal ideation
Format: Kindle
In my opinion The Caretaker is a heartbreaking story exploring how suicide survivors and people with depression struggle to get by in a world that is constantly demanding more of the most vulnerable. This book’s entity and the “rites” utilized to keep it at bay I believe to be more satirical than literal. I don’t think this is a literal SCP-type monster with super rigid containment procedures. I believe it to be a malevolent entity that embodies the pressures the mentally ill have to face every day. Whether that means it is an actual embodiment of suicidal ideation or not, no one can truly be sure and the vagueness of the story allows anyone to form their own conclusions on the matter. I personally believe that the entity wants more than anything to make the Caretaker suffer and give up hope so that it can spread its malevolence and their agony far and wide. The “rites” are representative of the day to day work and chores the mentally ill have to slog through for their survival but not necessarily in the best interest for their mental wellbeing. The “visitors” are representative of the people the mentally ill have to deal with and sacrifice their own mental fortitude for in and outside of work. The rabbits are an extremely layered nonspecific representation of the innocence that others ask to be sacrificed for their own personal gain.
Macy Mullins is a well thought out train wreck of woman who has more problems than not with seemingly the entire world working against her. Any person who has felt suicidal, depressed, hatred for the world, or even conflict with their own emotional wellbeing can see themselves in this character. As the caretaker, Macy is tormented by the entity with her past of depression, grief, and hardship and her mental state is pushed to the very limit. While the story can feel slightly inconsistent with the entity’s behavior and the rites Macy has to try in vain to complete, the book succeeds in capturing the exhaustion and hopelessness that those suffering from suicidal thoughts and depression feel when they no longer feel they have no other way out from their own suffering. This is the tragedy of the story and the true raw sympathy it has for Macy and people like her. I wish all who read this my very best and I hope one day we can all believe in a world where less “rabbits” need to be sacrificed for everyone’s wellbeing.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Sad & Creepy
Format: Hardcover
A pretty strong sadness vibe however it's creepy and for the most part well told so it was a worthwhile read.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Amazing Supernatural Thriller
Format: Hardcover
I had a lot of fun reading the Caretaker. This supernatural suspense novel snowballs from the start. Talk about a gripping opening that is going to keep you turning the pages… We follow our protagonist, Macy who is a down on her luck and job hunting to take care of bills for herself and younger sister after their father’s passing 3 years ago.
Macy accepts the job as a caretaker from an add via Craigslist with a $3k pre-payment and another potential $6k depending on how well she takes care of the home. 3 days to make $9k… Who would say no?
She is given a video tape to watch prior to staying at the property. Macy is instructed that the bonus payout will be rewarded, depending on how well she follows the instructions on the videotape. The videotape was made by the property owners late husband. In it, he describes certain rites that have to be followed starting at 3 AM. Things such as turning off any lights that turned themselves on. Answering the phone if it rings. Awaiting three knocks on the door. The videotape is very ominous, but doesn’t feel like it needs to be taken seriously Macy soon learns otherwise, the plot spirals into supernatural suspense from there as Macy tries to make her way through the three nights with an ending that is an absolute shock to me, but has me on the edge of my toes for whatever Marcus Kliewer writes next. Highly recommended.
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Reviewed in the United States on April 30, 2026
★★★★★ 2
Atmospheric Writing, Frustrating Protagonist
Format: Hardcover
Marcus Kliewer is a talented writer. The atmosphere was vivid, unsettling, and easy to picture, and I could almost feel the emotions he was trying to create. Unfortunately, the story itself didn’t work for me.
My biggest issue was the protagonist. I don’t need characters to make perfect decisions, but I do need a reason to root for them.
Time and again, she ignored clear instructions, got distracted at critical moments, or simply gave up. Instead of building tension, it became frustrating because many of the problems felt self-inflicted. The rabbit incidents and repeated failures to follow the caretaker rules were where the story lost me. I kept waiting for a turning point where she would take control of the situation or fight harder for her sister, but it never came. By the time the white rabbit appeared, I found myself skimming rather than reading because I no longer felt invested in the outcome.
I understand the novel can be interpreted as a story about grief, depression, and helplessness, and some readers may connect with that. For me, however, the book delivered atmosphere without payoff. The writing was strong, but I never cared about the protagonist enough to care what happened next.
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Reviewed in the United States on May 23, 2026
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