

🔧 Own the hub, master the ride — precision tools for the cycling elite.
The Park Tool SCW-20 is a 20mm cone wrench designed specifically for cycling maintenance. Made from heat-treated, powder-coated metal, it offers exceptional durability and a slim 2mm profile for precise cone nut adjustments. With an ergonomic plastic-coated handle and a reputation for professional-grade quality, this tool is a must-have for serious cyclists and mechanics aiming for flawless hub performance.




| ASIN | B000C17H80 |
| Best Sellers Rank | 13,476 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 58 in Hand Tools (Sports & Outdoors) |
| Brand | Park Tool |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 767 Reviews |
| Finish | Powder Coated |
| Global Trade Identification Number | 00763477006394, 07634770063946 |
| Head Style | Y-shaped |
| Included Components | power tools |
| Item Length | 20 Millimetres |
| Item Package Quantity | 1 |
| Item Type Name | Tools |
| Item Weight | 0.2 Pounds |
| Item height | 0.5 inches |
| Item length | 20 Millimetres |
| Item package quantity | 1 |
| Item weight | 0.2 Pounds |
| Manufacturer | PARK TOOL |
| Manufacturer Warranty Description | 1 year manufacturer. |
| Material | Metal |
| Model Number | 127681 |
| Operation Mode | Manual |
| UPC | 763477006394 |
| Unit Count | 1.0 count |
R**E
Superb Quality
If you want a cone wrench, (spanner in the UK!), you cannot beat the quality of the ones made by Park Tool. Cone spanners need to be thin to function correctly and many brands are too flimsy to release a cone that has been secured with an overtightened nut. The steel used in Park Tool cone spanners feels super tough and properly heat treated so you can loosen the tightest cone and securing nut combinations. I recommend spending a little extra and buying Park Tool cone spanners as they last forever.
D**E
Pricy but worth the money
Used to overhaul mtb rear hub. Easily and securely held the cone nut, not worried at all of it slipping. Even though it's only 2mm thick, there's no flex in use. Plastic covered handle is good, reduced hand fatigue though under tightening torque it can still feel a bit digging on the hand. Happy with this, great quality tool.
A**N
Dear but it is Park Tools quality
Park Tools - always good quality hence the price.
O**H
one per pack
If you’re doing any cup and cone adjustment you’ll need 2. Overall expensive for what it is, but still cheaper (and quicker) than the bike shop. Quality is what you expect from park tool
A**B
Park Tool clone spanner
I bought this 15mm cone spanner to go in the bike box to substitute as a pedal spanner. A great addition for travelling and as a general cone spanner. Typical high quality Park Tool spanner.
M**G
Critical addition to the tool collection
Critical addition to the tool collection
G**F
very good ta
very good thank you
R**S
Does the job
Feels good quality and does the job. I purchased two of these for bike maintenance. Strong and light enough weight to not worry about placing in the backpack if needed during those longer and rough rides.
Trustpilot
2 weeks ago
2 months ago