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Description
Kinetic Kinetic By Kurt Fixed Riser Ring* Now with three times more surface area contacting the tire to eliminate the problem of pinch flats caused by training on under inflated tires * Stackable for easier retail display * PVC construction for a lifetime of use * Adjustable to four heights (0. 5", 1", 1. 5" or 2") to fine tune the riding position * Fits tires up to 2. 25"
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 196 reviews
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Product Reviews
★★★★★ 2
Incomplete
Format: Paperback
Only received three of the four volumes. Did not receive the core 1 study guide.
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Reviewed in the United States on October 8, 2025
★★★★★ 5
Very detailed
Format: Paperback
Great info. Definitely a great purchase
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Reviewed in the United States on February 8, 2026
★★★★★ 5
These are the actual reference books.
Format: Paperback
The actual books for the actual tests. You Need these if you want to study and pass the Comptia A+ exams. Legit the real deal.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Amazing, never have to but the disposables again
Color: Matte Gold
Great quality, heavy, and works great. Lots of replacement blades too!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Nice feel
Color: Matte Silver
Feels good in the hand. It has some weight to it. I like the fact you can change out the blades. Way better than the cheap plastic disposable razors.
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Reviewed in the United States on April 13, 2026
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