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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
HobbyStar HCS-4521 High-Torque Digital Waterproof Crawler ServoThe HobbyStar HCS 4521WP servo features a fully waterproof design and massive torque (444oz in @7. 4V) for the ultimate crawler servo. All steel gears for reliable operation and an aluminum center case to aid in cooling and add strength this is a perfect servo for crawling rig. Specifications: Speed @4. 8V: 0. 16 sec Speed @6. 0V: 0. 13 sec Speed @7. 4V: 0. 10 sec Torque @4. 8V: 287 oz in Torque @6. 0V: 347 oz in Torque @7. 4V: 444 oz in Pulse
The HobbyStar HCS-4521WP servo features a fully waterproof design and massive-torque (444oz/in @7.4V) for the ultimate crawler servo. All-steel gears for reliable operation and an aluminum center-case to aid in cooling and add strength this is a perfect servo for crawling rig.
Specifications:
- Speed @4.8V: 0.16 sec
- Speed @6.0V: 0.13 sec
- Speed @7.4V: 0.10 sec
- Torque @4.8V: 287 oz/in
- Torque @6.0V: 347 oz/in
- Torque @7.4V: 444 oz/in
- Pulse/Frequency: 1500µ/330Hz
- Dimensions: (LxWxH) 40.5x20x37.5mm
- Weight: 58g
- Bearing: Dual ball bearing
- Gears: Steel
- Motor: Digital Coreless
- Input Voltage: 4.8V-7.4V
- Output Shaft: 25T spline
- Wire Harness Length: 260mm
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
4.3 ★★★★★
Based on 2053 reviews
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Product Reviews
★★★★★ 5
Wonderful!
Format: Paperback
Inspiring.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 4
Really Wanted to Love This Book
Format: Paperback
I grew up in a time where there were very few LBGTQ books and I felt very much an anomaly. I heard great things about this book and wanted to read it. I found the book to be written super simply and not adding much to the conversation. I am glad it exists but it was super simplistic and it really doesn’t add much to the conversations around transitioning. It might be a great book for a kid just starting to figure out who they are. I left this book in a free library in a public space in hopes it gets read by someone who needs the message.
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Reviewed in the United States on July 24, 2024
★★★★★ 5
Had me in happy tears🥹
Format: Paperback
Lewis is a really funny person and I love how he discussing the way transitioning can affect multiple people, like parents, friends, and teachers.
I also feel very related to by this book despite not having the same experience he did. It’s a testament to his amazing writing that he can so well encapsulate the Transgender Experience, whilst still telling a personal story. Highly recommend.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Recommended it to others!
Format: Paperback
I discovered Lewis through TikTok and even showed a few of his videos to my mom. While I’m a bit younger than Lewis, my mom and I laughed at his videos because they reminded us of my emo teen self. While our journeys in life are hardly similar, and I still identify with my biological sex, I absolutely loved this book and told my therapist friend about it. She made a note to recommend it to some of her young clients going through their own trans journeys. Thank you Lewis for reminding me of my teenage emo escapades and making the world seem not-so-lonely for those struggling with their true selves. It’s needed today more than ever. ♥️
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Reviewed in the United States on November 23, 2024
★★★★★ 5
So cute!
Format: Paperback
Funny and so adorable! I love Lewis’s relationship with his mom! It’s so addictive I read the whole book in a single sitting! There is a few strips of nudity as well as a couple suggestive scenes (very brief), so absolutely intended for kids who have/are learning about puberty! And of course, you get what you pay for. If you buy a book written by a trans man telling his story, of course you’re going to have trans representation. Over all, so, so adorable!
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Reviewed in the United States on August 23, 2024