{"product_id":"dima-allineamento-forcellino-cambio-in-alluminio-park-tool-dag-3","title":"ALUMINIUM DERAILLEUR HANGER ALIGNMENT GAUGE PARK TOOL DAG-3","description":"\u003csection\u003e\n\u003cp\u003eThe \u003cstrong\u003ePark Tool DAG-3\u003c\/strong\u003e is the all-new derailleur hanger alignment gauge, engineered to be light, accurate and versatile. An alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers, often the source of shifting problems.\u003c\/p\u003e\n\u003cp\u003eThe long, precision-extruded aluminium body is built to tight tolerances and provides ample leverage for making adjustments. The sliding indicator measures alignment against rims of any size and rotates out of the way to clear seat stays, racks and other obstacles, allowing 360° measurement. The M10 threaded tip is replaceable and the gauge also fits low-clearance thru-axle hangers and Shimano Direct Mount hangers.\u003c\/p\u003e\n\u003ch2\u003eHow to align a derailleur hanger with the DAG-3\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMount the bike in a repair stand with the wheels level and check that the rear wheel is properly seated in the frame.\u003c\/li\u003e\n\u003cli\u003eRemove the rear derailleur and thread the gauge onto the hanger; if the threads are damaged, chase them first with the Park Tool TAP-10.\u003c\/li\u003e\n\u003cli\u003eSet the indicator against the rim at 3 o'clock, then rotate gauge and valve to 9 o'clock: with a gap under 3 mm the hanger is horizontally aligned.\u003c\/li\u003e\n\u003cli\u003eIf the gap exceeds 3 mm, bend the hanger by half the gap, in small increments, rechecking both sides.\u003c\/li\u003e\n\u003cli\u003eRepeat the vertical check between 6 and 12 o'clock: the hanger is aligned when three points 90° apart are all within 3 mm.\u003c\/li\u003e\n\u003cli\u003eIf fenders, racks or stays get in the way, simply pivot the indicator to clear the obstacle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy choose Park Tool DAG-3\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExtruded aluminium body: 645 g for a length of 420 mm\u003c\/li\u003e\n\u003cli\u003eSliding, rotating indicator for 360° measurement even with racks and fenders\u003c\/li\u003e\n\u003cli\u003eCompatible with 16\" to 29\"+ wheels (ISO\/ETRTO rims 317 to 630+)\u003c\/li\u003e\n\u003cli\u003eReplaceable M10 threaded tip\u003c\/li\u003e\n\u003cli\u003eFits low-clearance thru-axle and Shimano Direct Mount hangers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAfter alignment always recheck the limit screws and derailleur indexing; a hanger bent several times that fails during correction must be replaced. For a light and complete tool, the \u003cstrong\u003ePark Tool DAG-3 aluminium derailleur hanger alignment gauge\u003c\/strong\u003e is the most advanced choice.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eCode\u003c\/strong\u003e: DAG-3\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e: Park Tool\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eType\u003c\/strong\u003e: derailleur hanger alignment gauge\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eTip\u003c\/strong\u003e: M10 threaded, replaceable\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eLength\u003c\/strong\u003e: 420 mm (16.5\")\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 645 g\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eBody\u003c\/strong\u003e: precision-extruded aluminium\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdetails\u003e\u003csummary\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/summary\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eWheels\u003c\/strong\u003e: 16\" to 29\"+ (ISO\/ETRTO 317 to 630+)\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eHangers\u003c\/strong\u003e: low-clearance thru-axle, Shimano Direct Mount\u003c\/li\u003e\u003c\/ul\u003e\u003c\/details\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARK TOOL","offers":[{"title":"Default Title","offer_id":58287070052692,"sku":"PKDAG3","price":124.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/5223\/4068\/files\/a7816089691a1e44c2d5c2ca91e935b42000a3bca3451221ab15377d7bec378a.png?v=1794418394","url":"https:\/\/www.pro-mstore.com\/en\/products\/aluminium-derailleur-hanger-alignment-gauge-park-tool-dag-3","provider":"Pro-M SRL","version":"1.0","type":"link"}