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🔧 Own the tool that gets the job done right—because your bike deserves the best.
The PARK TOOL HCW-4 is a precision-engineered 36mm box end and pin spanner crank wrench designed for reliable bottom bracket removal. Featuring a 29mm pin spacing and 2.3mm pin diameter, it ensures a perfect fit on vintage and modern bike cranksets. Made from durable metal and backed by a limited lifetime warranty, this lightweight 8.8-ounce tool is highly rated by professionals and cycling enthusiasts for its quality and performance.







| ASIN | B000AOA2G8 |
| Best Sellers Rank | #97,448 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #287 in Bike Shop Tools |
| Brand | Park Tool |
| Brand Name | Park Tool |
| Color | Blue |
| Customer Reviews | 4.7 out of 5 stars 832 Reviews |
| Finish Types | Natural |
| Global Trade Identification Number | 00763477004031 |
| Head Style | Box End |
| Included Components | Bottom Bracket Tools |
| Item Length | 36 millimeters |
| Item Package Quantity | 1 |
| Item Weight | 8.8 ounces |
| Jaw Capacity | 36 millimeters |
| Manufacturer | Park Tool |
| Manufacturer Part Number | QKHCW4 |
| Manufacturer Warranty Description | Limited Lifetime Warranty – see parktool.com/warranty |
| Material | Metal |
| Material Type | Metal |
| Measurement Standard | Metric |
| Model Number | HCW-4 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Operation Mode | Mechanical |
| Package Quantity | 1 |
| Spanner Wrench Hook Depth | 36 millimeters |
| UPC | 797749837072 763477004031 751738856222 |
| Unit Count | 1 Count |
D**P
If you need it, just pay for this one, it WORKS
I needed this specialty wrench to remove the bottom bracket on my old/vintage specialized bicycle. I first tried out an alternative wrench from some no name brand just because it was cheaper and this was a one time use thing for me. Well of course the cheap one didn’t fit properly, so I ended up getting this one and it fit perfectly and got the job done in seconds. Just pay for the right tool, which is this one I only needed it once but the quality of this wrench is excellent and I’m sure will be durable for many many uses
J**T
Worked perfectly!
Just a heads up, you may need a rubber mallet to help it along if you've owned the bike a while and never had to touch the bottom bracket. My fixed cup was REALLY on there.
A**N
It's Park Tool.
The tool I need for a NJS Hatta bottom bracket. Park Tool is the best.
W**R
what you'd suspect from Park
well engineered, sturdy, perfect on fixed (drive-side) cup on a cup/cone bottom bracket with 36mm flats.
R**S
Works perfectly.
I only need the HCW-4 box end, and it works perfectly!
L**O
Almost atypical Park Tool quality
This tool performs two functions: 1. BB Cup removal via socket - Be aware that the thinness of the tool means that it will slip off the BB cup especially if the BB cup is slightly rusted or stuck. 2. BB Cup removal via pins - The pins are threaded for ease of replacement but I have found that they just as easily loosen, fall, and get lost. the fact that the pins are of a set distance apart limits the tools usage - there are other tools that may better perfom this function.
P**Y
Excellent Tool for Your Bike
What can I say it's a Park Tool and it is well made and does the job it is supposed to do. No complaints it is a quality product.
J**Z
Un poco de paciencia y una buena herramienta, logré mi objetivo.
La herramienta es profesional, al final con un poco de paciencia, porque la parte que quería remover estaba un poco barrida, logré quitarla.
L**E
solide
bonne qualité
L**Z
Buena herramienta.
Me ha gustado la calidad de fabricación. La he usado para desmontar y montar las cazoletas del pedalier Campagnolo de una bicicleta.
A**X
Chiave Perfetta Movimento Centrale Vintage
Finalmente una chiave perfetta per smontaggio movimento centrale vintage tipo campagnolo. Robusta, precisa. Ottimo prodotto.
G**O
Preciso
Herramienta básica para mantenimiento de la bici
Ł**Z
Sehr gut
Sehr gut
Trustpilot
2 weeks ago
3 weeks ago