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Description
MERIDA MATTS J12Specifications Please note specifications subject to change without prior notice. 01. FRAME J12 Alloy Coaster 02. SIZE 7"Boy 03. FORK Rigid Steel 04. GEARS single speed 05. CRANKSET Steel 28T 89L BK 06. CASSETTE 16T 07. CHAIN Z410A 08. FRONT DERAILLEUR 09. REAR DERAILLEUR 10. SHIFTER REAR 11. BRAKE LEVERS Kid Lever 12. BRAKE FRONT Side Pull 13. BRAKE REAR Coaster in R. Hub. 14. ROTOR FRONT n a 15. ROTOR REAR n a 16. HANDLEBAR Kid Alloy Rise 460 17.
Specifications
Please note - specifications subject to change without prior notice.
| 01. FRAME | J12 Alloy Coaster |
| 02. SIZE | 7"Boy |
| 03. FORK | Rigid Steel |
| 04. GEARS | single speed |
| 05. CRANKSET | Steel 28T 89L BK |
| 06. CASSETTE | 16T |
| 07. CHAIN | Z410A |
| 08. FRONT DERAILLEUR | - |
| 09. REAR DERAILLEUR | - |
| 10. SHIFTER-REAR | - |
| 11. BRAKE LEVERS | Kid Lever |
| 12. BRAKE-FRONT | Side Pull |
| 13. BRAKE-REAR | Coaster in R.Hub. |
| 14. ROTOR-FRONT | n/a |
| 15. ROTOR-REAR | n/a |
| 16. HANDLEBAR | Kid Alloy Rise 460 |
| 17. HANDLEBAR STEM | XF-S890 |
| 18. HEAD SET | General |
| 19. SEAT POST | Steel 22.2 |
| 20. SEAT CLAMP | Alloy Allen |
| 21. SADDLE | Matts kid 16 |
| 22. HUB-FRONT | Steel NT |
| 23. HUB-REAR | Steel Coaster |
| 24. SPOKES | Steel UCP |
| 25. RIMS | Alloy Black |
| 26. TYRES | Kid Smooth 12 x 2.25" |
| 27. PEDAL | Kid Plastic Pedal |
| 28. KICKSTAND | - |
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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
must have book for new to kali folk.
Format: Paperback
Knowledge is a mathematical expression. amazing book. my expression is happy!
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Reviewed in the United States on February 4, 2026
★★★★★ 5
Great Linux Intro!
Format: Paperback
This is one of the best beginner Linux books out there, even if you’re not into hacking. OTW covers the essentials in a clear, practical way without boring fluff. Perfect for anyone looking to get hands-on with Linux, whether you’re breaking into cybersecurity or just want to stop being scared of the terminal.
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Reviewed in the United States on July 14, 2025
★★★★★ 5
Looks like it'll be a great beginner book and reference book too.
Format: Paperback
Came in great shape, no issues.
Just started reading it, but it's been a good read so far.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
This IS where you start to understand it all!
Format: Paperback
While I haven't received my Second Edition book yet I do have the First Edition and I can say it's very thorough and well explained to even the beginner level. If you're trying to learn both Linux and Cybersecurity this IS the place you want to start. It will save you a ton of headaches and you're getting VERY VALUABLE skills you can use in any scenario. I would call it an advanced starting point. Linux itself can be somewhat difficult and daunting to learn and understand if you're coming from a strict use (Windows in my case) OS 25+ years. This book bridges that gap effectively and you can absorb the knowledge with a little work. Also watching OTW's video on YouTube with David Bombal is an excellent follow along source. In my opinion, OTW does the best job of explaining exactly what you need to know. And follow it up with a video or two of how to understand the Linux file system and you'll soon be set to go. David Bombal's vids on setting up VM on your computer are also very helpful!
If your intention is to get into Cybersecurity from zero knowledge this IS the best point to gain valuable knowledge whether it's to crack into IT, Cybersecurity or just for your own knowledge, this book is worth 10x it's price!
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Reviewed in the United States on December 17, 2025
★★★★★ 5
Linux for Hackers
Format: Paperback
If you are serious about learning Linux as well as a career in White Hat hacking this is an excellent book.
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Reviewed in the United States on January 7, 2026