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Description
Renthal 99-20 Yam YZ125/G-250F/400-450/ 88-89 Hon XR250R Rear Grooved Sprocket- Blu 520-48P TeethThe Renthal Rear Sprocket 150U 520 48GBBU is designed specifically for Yamaha models including the YZ125, G 250F, and 400 450 series from 1999 to 2020, as well as the 1988 1989 Honda XR250R. This grooved sprocket boasts a durable blue finish and 48 teeth, making it an ideal choice for enthusiasts looking to enhance their bike's drivetrain performance. Crafted by Renthal, a trusted name in the performance parts industry, this sprocket ensures optimal
The Renthal Rear Sprocket 150U-520-48GBBU is designed specifically for Yamaha models including the YZ125, G-250F, and 400-450 series from 1999 to 2020, as well as the 1988-1989 Honda XR250R. This grooved sprocket boasts a durable blue finish and 48 teeth, making it an ideal choice for enthusiasts looking to enhance their bike's drivetrain performance.Crafted by Renthal, a trusted name in the performance parts industry, this sprocket ensures optimal power delivery and smooth chain engagement. Its grooved design aids in reducing the accumulation of dirt and debris, promoting longevity and consistent riding quality. Precision manufacturing guarantees compatibility and easy installation on compatible models.
Whether you're upgrading your dirt bike for improved racing capabilities or replacing a worn part, this rear sprocket provides the reliability and performance you demand. Experience enhanced acceleration and control on the trail or track with Renthal's superior component backed by expert engineering and a reputation for excellence.
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4.6 ★★★★★
Based on 812 reviews
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Product Reviews
★★★★★ 5
This is a very useful field manual for those interested in detailed traking methodology.
Format: Paperback
I spent many years as interpreter and ranger for the Colorado State Park System, now called CPW—Colorado Parks and Wildlife. We were annually tasked with surveying a given species' presence, density, and range in the park system and surrounding areas. Detailed field manuals were critical to the accuracy of our work, and HOW I WISH I HAD THIS BOOK DURING THAT PART OF MY CAREER. There are few other books I've come across providing detailed, yet very accessible information on how trail sign reflects animal behavior across different conditions, landscapes, and seasons (both weather seasons and mating seasons). One particular aspect of this book I found significantly intriguing was the section on predation—how does a mountain lion take down a mule deer vs. how wolves bring one down. The locations on a prey animal where a certain predator is most likely to attack, showing illustrations, is a remarkable piece of work, and there authors are clearly masters of interpreting tracks and sign! If you want learn about how mammals behave in their native environment, adding this book to your field manual packet will greatly expand your horizons! Busy it, read it, and get outside! Thank you Mr. Elbroch and Mr. McFarland for adding to the wildlife canon!
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Reviewed in the United States on August 5, 2023
★★★★★ 5
Great book and very useful tool to have
Format: Paperback
I had the older edition and lived it, but someone at my last job *borrowed* it and I never saw it again. This edition sends even better than the last, and I have that one five stars. Great pictures and the number of species covered means it's good in at least all states I've worked in.
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Reviewed in the United States on November 16, 2025
★★★★★ 5
Simply unputdownable
Format: Kindle
B N William’s field guide is fascinating. The book uncovers the bizarre reality beneath the polished propaganda of the Second World War, exploring the wonderfully weird truths where the line between brilliant innovation and sheer insanity vanishes completely. Every unusual piece of information has been verified using official declassified archives. I loved the story of Wojtek, a Syrian brown bear, who became a beloved and legendary figure, known for his unique story as an enlisted soldier. Read many more such stories and episodes in this book. You will enjoy them thoroughly.
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Reviewed in the United States on November 25, 2025
★★★★★ 5
Excellent read
Format: Kindle
This book is a deep dive into the truths behind the war we think we know. The book talks absurd strategies, eccentric leaders, and bizarre battlefield moments that genuinely happened. Each fact is both shocking and fascinating. it's entertaining and wildly surprising read. It’s a perfect pick for history buffs, trivia lovers.
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Reviewed in the United States on November 24, 2025
★★★★★ 5
Wonderful reading
Format: Paperback
It is a pleasure to “listen” to MLK Jr, and his description of the Montgomery boycott, mostly after reading the newest biography King, a life. Both books are highly recommended.
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Reviewed in the United States on April 20, 2026