★★★★★ 5
For the rock hound
Format: Paperback
A fun book for the rock hound. I recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
ethirteen Helix Core espec Cranks for ISIS Spindle - 165mm, 21.5mm Offset, Black
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
ethirteen Helix Core espec Cranks for ISIS Spindle - 165mm, 21.5mm Offset, BlackThe ethirteen Helix Core espec Cranks offer high end drivetrain integrity and a premium look at an exceptional value. Forged from tough 6066 T6 aluminum, these versatile 165mm crank arms maximize pedaling leverage while offering improved ground clearance over traditional lengths on low BB trail geometries. Featuring a 21. 5mm offset for a compact, tailored Q factor on standard ISIS spindle motors, they come complete with an alloy self extractor
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4.2 ★★★★★
Based on 208 reviews
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Product Reviews
★★★★★ 5
Very good info. For this newbie
Format: Paperback
It's a great book for us new comers to rock hounding recomend this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2023
★★★★★ 5
Good
Format: Paperback
Good book
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Reviewed in the United States on March 7, 2024
★★★★★ 5
Great guide for rockhounding in Idaho!
Format: Paperback
This is a great guide that my wife and I have enjoyed finding rocks with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2023
★★★★★ 5
One of the very best and most current.
Format: Kindle
This is one of somewhere between 50 and 100 books I have read cover to cover about astral projection, including books written from the 1920s to those currently being written. Silvia's book is in the top 5 of the best of all of them. Her introductory chapters and information are excellent, as are all chapters. This book contains very little superfluous information, but at the same time contains all of the essentials. I have read other books by Silvia and find them extremely well written and insightful. I can highly recommend this book as a first book for those interested in the subject, and also for seasoned individuals and those who are already familiar with the subject. Thank you Silvia for writing this and making it available.
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Reviewed in the United States on May 4, 2024
