{"product_id":"park-tool-dag-3-derailleur-hanger-alignment-gauge-for-precise-bike-repairs","title":"Park Tool DAG-3 Derailleur Hanger Alignment Gauge for Precise Bike Repairs","description":"\u003cp\u003eThe Park Tool DAG-3 Derailleur Hanger Alignment Gauge is an indispensable tool for any workshop aiming to maintain precise bicycle performance. Designed with a focus on accuracy and versatility, this gauge helps diagnose and correct bent or misaligned derailleur hangers, a common cause of shifting issues. Its lightweight yet robust aluminum construction ensures durability and ease of use, making it ideal for both professionals and serious enthusiasts.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a sliding indicator compatible with bicycle rims from 16 to 29+ inches, the DAG-3 offers 360-degree measurement capability. The indicator smoothly rotates to clear seat stays, racks, and other obstacles, ensuring comprehensive alignment checks. Its low-profile head fits even low clearance thru-axle and Shimano® Direct Mount hangers, expanding its usability across various bike models.\u003c\/p\u003e\n\n\u003cp\u003eBuilt to exacting tolerances in the USA and backed by Park Tool’s legendary limited lifetime warranty, this alignment gauge combines precision engineering with lasting reliability, making it a valuable addition to any workshop toolkit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDiagnosing and repairing bent or misaligned derailleur hangers\u003c\/li\u003e\n  \u003cli\u003eMeasuring alignment on rims sized from 16 to 29+ inches\u003c\/li\u003e\n  \u003cli\u003ePerforming 360-degree measurements even in tight spaces\u003c\/li\u003e\n  \u003cli\u003eFitting low clearance thru-axle and Shimano® Direct Mount hangers\u003c\/li\u003e\n  \u003cli\u003eProviding durable, precise adjustments thanks to its aluminum construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse on bikes with rim sizes outside the 16 to 29+ inch range\u003c\/li\u003e\n  \u003cli\u003eMeasuring components other than derailleur hangers\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty frame repairs beyond alignment corrections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan this gauge be used on all types of bike wheels?\u003c\/strong\u003e\u003cbr\u003eIt is compatible with rims ranging from 16 to 29+ inches, covering most standard bicycle wheel sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the DAG-3 suitable for professional workshop use?\u003c\/strong\u003e\u003cbr\u003eYes, its precision, durability, and versatility make it ideal for both professional mechanics and serious bike enthusiasts.\u003c\/p\u003e","brand":"Park Tool","offers":[{"title":"Default Title","offer_id":45472206487727,"sku":"QKDAG3","price":141.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/1645702714-64693400.jpg?v=1768514424","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/park-tool-dag-3-derailleur-hanger-alignment-gauge-for-precise-bike-repairs","provider":"Swinnerton Cycles","version":"1.0","type":"link"}