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The Park Tool FR-5.2 Cassette Lockring Tool is a heat-treated alloy steel wrench designed with 12 splines and a 23.5mm diameter to fit most cassette lockrings, including some Shimano disc brake lock rings. Lightweight and compact, it’s a must-have for professional-grade bike maintenance, trusted by thousands of cyclists worldwide.

| ASIN | B01LX3E08Z |
| Best Sellers Rank | 7,400 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 41 in Hand Tools (Sports & Outdoors) |
| Brand | Park Tool |
| Chain Or Strap Head Outside Diameter | 23.5 Millimetres |
| Colour | Metal |
| Country of Origin | Morocco |
| Customer Reviews | 4.5 out of 5 stars 3,041 Reviews |
| Finish | Naturfarben |
| Global Trade Identification Number | 00751738922255, 00763477003485 |
| Head Style | Hex |
| Included Components | Lockring removal tool |
| Item Length | 7.5 Inches |
| Item Package Quantity | 1 |
| Item Type Name | QKFR52 |
| Item Weight | 0.1 Pounds |
| Item length | 7.5 Inches |
| Item package quantity | 1 |
| Item weight | 0.1 Pounds |
| Jaw Capacity | 23.5 Millimetres |
| Manufacturer | MDSL4 |
| Manufacturer Warranty Description | None. |
| Material | Alloy Steel |
| Measurement Standard | Metric |
| Model Number | QKFR52 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | QKFR52 |
| Spanner Wrench Hook Depth | 23.5 Millimetres |
| Spanner Wrench Pin Length | 23.5 Millimetres |
| UPC | 751738922255 763477103987 763477003485 |
| Unit Count | 1.0 count |
T**Y
Quality tooling
Park Tool, always fit for purpose.
J**E
As expected
Usual Park Tool quality. Works as expected.
M**G
Great tool great fit
Park tools are great quality and this one is no exception got my cassette off in a couple of minutes.
L**Z
Does it work
It work great.
J**I
rear cassette lock tool.. for SRAM
Good quality and fit for purpose. Used to remove my old sram cassette and install new sram cassette. Seems expensive for what it is, but only need to buy it once and this ones certainly solid, should last forever. Worth the money given that some other types of these locks appear to be either a bit less robust, and believe me it did take some welly to get old lock ring off!, or more expensive. NB some have guide pins, not really necessary as you can screw the bikes quick release spindle nut down above this one to keep it square while using the spanner.
M**M
Excellent quality.
Fits perfectly. Doesn't have square drive for a torque wrench and being American is 1".
G**N
Perfect
Its a Park Tool its going to be 5 star
S**T
No 3/8" square drive! Makes this very annoying
Beware! I think this is very poorly thought out for Park. This does not have a simple 3/8" square drive like almost ALL others do. Just a useless hole. You need to drive with a 1" spanner, socket or adjustable spanner. For anyone not in the US, who has a 1" socket? (I do, but still bl00dy awkward expecially trying to torque a top cap into rockshox forks where the engagement is shallow and it wobbles about and falls out. Id recommend any other tool with a 3/8" square drive and using a ratchet. Off to buy a cheapo one as using this one annoys the h3ll out of me.
A**R
Original
Jamais déçue avec parktools
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
Trustpilot
1 month ago
5 days ago