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🔧 Unlock your ride’s potential with precision and power!
The Park Tool FR-5.2 is a precision-engineered cassette lockring tool made from heat-treated alloy steel, featuring 12 splines and a 23.5mm diameter. Designed for durability and compatibility with Shimano disc brake lock rings, this compact, lightweight tool is proudly made in the USA to deliver professional-grade performance for cyclists and bike mechanics alike.












| Brand | Park Tool |
| Color | Metal |
| Finish Types | Naturfarben |
| Head Style | Hex |
| Item Length | 7.5 inches |
| Item Package Quantity | 1 |
| Item Weight | 1.6 ounces |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Measurement Standard | Metric |
| Package Quantity | 1 |
P**R
Does the job!
Fits my bike perfectly, great tool!
J**.
Well built and works perfectly
This worked perfect for removing the rear cassette from my bike. I did not get the tool that wraps around the cassette but I was still able to remove the cassette using a technique I found on the web (e.g. "what to do if you our out in the field and need to replace it".). Park tool seems to make some of the best tools for bikes and is a good value based on the quality of the product.
R**Y
Good tool to have in your kit.
The usual excellent Park Tool quality. This is one to have in your tool kit, as it works with 80% of the freehubs you're likely to encounter. You pay a little more for Park tools, but if "Made in the USA" means anything to you, and you want your tools to last, it's worth the extra cost. Well packaged
A**R
Works on Sram cassette
Tool was as described and fit the cassette well.
P**A
lockring tool is great
excellent tool and a must have for 10 speed cassette.
0**0
works for necessary 5 seconds
amazing the one minute you ever use it
K**N
Good tool
A bit pricey but gets the job done
T**L
Solid - Semi Universal - Good Price - Lifetime Tool - Requires 1" Wrench
Most of the Park Tool mechanics tools are built to survive a lifetime and this cassette locking tool is no exception. This is one of the most common lock ring standards for Shimano cassettes. While Park does make some variants to this that have guide pins (offering a bit more stability) this tool is more universal and it compatible with eBike and other hubs where the axle must pass through this tool in order to slip over the rim. If you're wondering, you'll need a 1" box wrench (or similar tool/adjustable wrench) to spin this. I have a 1" craftsman that provides excellent leverage, though a nice Tekton like this: https://amzn.to/4vNJS7H It's about the same quality but cheaper. I'd pick one of these up if you don't already have one, it's a great pairing with this tool. Great stuff as always. Cheaper than a visit to the LBS and the satisfaction of working and repairing things yourself.
A**N
Park tools are always good
Park tools are always good
C**E
Douille pour cassette Shimano
Douille pour cassette Shimano, adapté pour clé dynamométrique PARKTOOL
B**S
Alles bestens
Perfekt verarbeitet! Hätte ich abet quch nicht von Park Tool anders erwartet.
J**C
Bonne qualité
Bonne qualité, comme souvent avec les outils Park tools
A**A
Una garanzia
Attrezzo preciso e robusto, proprio quello che cercavo
Trustpilot
2 weeks ago
1 month ago