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Description
CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX/RX 2x11 - Coated Races, Alloy Pulley, Carbon Cage, BlackThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features 13 tooth upper and 19 tooth lower, Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light weight Coated bearing races increase bearing service life by increasing
The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.- Features 13-tooth upper and 19-tooth lower, Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Four spring tension settings allow customized setup based on ride conditions
- Only compatible with the ‘2X-specific’ GRX 810, GRX 815, as well as the RX800, and RX805 derailleurs
- Cassette compatibility up to 11-36t
- CeramicSpeed products with coated bearings include a lifetime warranty
Product Specifics
- Defined Color: Black
- Drivetrain Speeds: 11
- Fits Brand: Shimano
- Fits Model: GRX 810
- Fits Model: GRX 815
- Fits Model: Ultegra RX 800
- Fits Model: Ultegra RX 805
- Largest Cog: 36
- keyword search: OSPWS
Today's Stock Status
5 Available to ship in 2-4 Business Days
UPC: Not available
EAN: 5711050081820
Manufacturer Part Number: 108531
DP0210
183894-Q0-L
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- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Great Gift for Young Coders
“Got this as a gift for a kid who’s starting to get curious about coding, and he really liked it. The visuals are clear, the instructions are easy to follow, and it breaks big programming ideas into fun, manageable steps. It’s not overwhelming, and it actually makes learning feel doable. Perfect for kids (or adults) who want to dip their toes into coding without getting lost in the jargon.”
— Praying to the car gods
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Reviewed in the United States on October 15, 2025
★★★★★ 5
A book to learn by
Informative teaching book
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Surprisingly Accessible for All Ages
This is an excellent introduction to coding concepts. The book is beautifully laid out with clear, step-by-step instructions and helpful diagrams that make complex ideas easy to understand.
The highest praise I can give is that I've been reading it side-by-side with my 5-year-old, and the visuals and explanations are simple enough for her to grasp the basic concepts. It sparks great conversations about how technology works.
It's a fantastic resource not just for adult beginners, but also for parents looking to introduce computational thinking to young children in a fun, engaging way. Highly recommended for visual learners and family learning.
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Reviewed in the United States on September 25, 2025
★★★★★ 4
Slightly disappointed
I’m already familiar with most of the languages in this book, but I figured it would be fun to do some of the projects they had inside. I was disappointed to find out when I received it, that the first two images on the product listing are not from this book. I was looking forward to building a password generator which it does not have in here. Also, the ‘build a game’ page for Scratch is different too. You still build a game but not what you expect from what is shown on Amazon.
Still worth picking up if you want to learn to code or teach your kids.
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Reviewed in the United States on October 1, 2024
★★★★★ 5
Must Have For Beginner Coders
I am just starting out learning the concepts of coding, because I would like to start making my own video games as a hobby. I have purchased other "how-to" guides for beginners, which ended up being very confusing and required a more intermediate level of knowledge with coding. I am very happy with this book, as it provides straightforward and easy to understand lessons in four different coding languages, along with access to a free-to-use coding program so you can practice each lesson step-by-step in real time. The book is very colorful and laid out well with lots of pictures to illustrate each step in the process. I highly recommend this book for people like me, who are just starting out with coding and want to grasp the fundamentals before jumping into the deep end.
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Reviewed in the United States on July 8, 2023
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