









🛠️ Align Like a Pro, Ride Like a Legend
The Park Tool DAG-3 Derailleur Hanger Alignment Gauge is a precision tool designed for professional and enthusiast cyclists. Compatible with wheel sizes from 16" to 29+" (ISO/ETRTO 317 to 630+), it features a low-profile head to fit modern thru-axle and Shimano Direct Mount hangers. Made from durable aluminium with a replaceable M10 threaded tip, this tool ensures accurate derailleur hanger alignment for smoother shifting and enhanced bike performance. Trusted by mechanics worldwide, it comes with a limited lifetime warranty and weighs just 962 grams.




| ASIN | B08Y6786WF |
| Best Sellers Rank | 30,383 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 280 in Hand Tools (Sports & Outdoors) |
| Brand | Park Tool |
| Brand Name | Park Tool |
| Case Material Type | Aluminium |
| Colour | Black |
| Country Of Origin | USA |
| Customer Reviews | 4.9 out of 5 stars 145 Reviews |
| Included Components | No |
| Item Dimensions L x W x H | 61L x 20.3W x 20.3H centimetres |
| Item Type Name | Frame and Fork |
| Item Weight | 962 g |
| Item weight | 962 g |
| Manufacturer | Park Tool |
| Manufacturer Part Number | DAG-3 |
| Manufacturer Warranty Description | Limited Lifetime |
| Material | Aluminium |
| Material Type | Aluminium |
| Model Number | DAG-3 |
| Mount Type | Clamp-On Mount |
| Mounting type | Clamp-On Mount |
| Number of Teeth | 11 |
| Product dimensions | 61L x 20.3W x 20.3H centimetres |
| UPC | 763477002631 |
V**I
Much better than previous model.
Not cheap but worth it 100%. So much better than the previous model which wouldn't help at all when it came to rotating the gage. Perfect for the job..... Usual Park Tool excellence.
A**R
Parktool
Strong material easy to use wish I had it earlier great price and a piece of kit
B**4
Brilliant
The best hanger tool I’ve owned, easy to use and extremely well made, this derailleur alignment tool just does what it needs to do.
A**R
great bit of kit
lovely build quality and joy to use. Gone are the frustraing days of trying to sort out my gear indexing ;)
L**Y
Quick and easy to use. Quality tool.
A high quality tool that makes derailleur hanger alignment a pleasure. The tool is clearly well made with the well finished aluminium head and shaft made as a single piece. The round shaft has a groove along it's length that keeps the sliding pointer aligned as you move it in use. The pointer also swivels to allow clearance of the seat and chainstays of the frame as you move from one side if the wheel to the other. All this makes it very quick and convenient to use. Clearly some thought has gone into the design making it much better than cheaper versions of this type of tool. Recommended.
G**O
Very good tool to have
I wasn't sure about getting this as it's an expensive tool for something that you don't always need to use, but glad I got it as I have a bike that wasn't shifting 100% in 2 of the gears, so I bought (one by one) a new derailleur, new chain, new premium cables, and a new shifter. Turns out the derailleur hanger was off now it's 100%. It's a good tool to keep hold of for future adjustments, fixing other people's bikes and apparently a lot of the new derailleur hangers aren't 100% straight either.
J**Y
Pricey but easy to use
High quality tool which is easy to use. Only slight flaw is there is a tiny bit of play but it is possible to allow for that when carrying out the checks. Packs away quickly with no faffing about which is a bonus.
8**T
Great improvement.
So easy to use and very accurate.
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منذ 3 أيام
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