{"product_id":"lirinsegie-bicycle-dag-2-2-derailleur-hanger-alignment","title":"Lirinsegie Derailleur Hanger Alignment Gauge DAG-2.2 — Stainless Steel, 20–29\" Wheel Compatible, Workshop-Grade","description":"\u003cstrong\u003eThe Lirinsegie DAG-2.2 is a stainless steel derailleur hanger alignment gauge designed to realign rear derailleur hangers for 20\"–29\" mountain and road wheels.\u003c\/strong\u003e\n\u003cp\u003eIf your bike shifts poorly after a crash or a wheel swap, a misaligned derailleur hanger is often the culprit. The Lirinsegie DAG-2.2 provides a precise, workshop-grade tool to measure and correct hanger alignment so your gears return to smooth, reliable indexing. It’s built for hobbyists and mechanics who want repeatable results without expensive shop visits.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the DAG-2.2 measure hanger alignment?\u003c\/h3\u003e\n\u003cp\u003eThe DAG-2.2 uses a calibrated measuring rod and a rotatable diamond-shaped straightener bar to reference the rim at multiple points. By sliding the rod through the adjustable slide seat and seating the unit against the frame, you can rotate and compare distances to spot any deviation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel tube frame for rigidity and consistent reference points.\u003c\/li\u003e\n  \u003cli\u003eDiamond-shaped straightener bar offers clear contact angles for rims and spokes.\u003c\/li\u003e\n  \u003cli\u003e360° rotation on the head allows measurements around the wheel circumference.\u003c\/li\u003e\n  \u003cli\u003eAdjustable rubber pads protect rims while ensuring firm contact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat steps are involved in using the alignment gauge?\u003c\/h3\u003e\n\u003cp\u003eSetup is straightforward: insert the positioning screw into the head, secure the lock screw, pass the measuring rod through the slide seat, and tighten the adjust screw. Rotate the head to compare distances around the rim and gently bend the hanger until readings match the reference.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInsert positioning screw and engage the lock head for stable setup.\u003c\/li\u003e\n  \u003cli\u003eFeed measuring rod through slide seat and set rubber pads against the rim.\u003c\/li\u003e\n  \u003cli\u003eTighten adjust screw to lock the rod, then rotate and note deviations.\u003c\/li\u003e\n  \u003cli\u003eMake small corrections to the hanger and recheck measurements until aligned.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich wheels and frames does the tool support?\u003c\/h3\u003e\n\u003cp\u003eThe DAG-2.2 is sized to work with most modern bicycles, covering wheel diameters from 20\" to 29\". It’s compatible with mountain bikes, road bikes, hybrids, and many kids’ and commuter bike setups provided the hanger is externally accessible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks across a wide wheel range: 20\" to 29\" compatible.\u003c\/li\u003e\n  \u003cli\u003eSuitable for MTB, road, hybrid, and many commuter bicycles.\u003c\/li\u003e\n  \u003cli\u003eEffective on frames with removable or replaceable derailleur hangers.\u003c\/li\u003e\n  \u003cli\u003eNot intended for internal or integrated hanger designs without access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat construction and features make it reliable?\u003c\/h3\u003e\n\u003cp\u003eThe gauge combines a stainless steel tube frame, a large inner shaft, and a durable diamond straightener bar for strength and accurate repeatability. Rubber protection pads and a locking mechanism keep measurements consistent without damaging rims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength stainless steel body for long-term accuracy.\u003c\/li\u003e\n  \u003cli\u003eLarge inner shaft and 360° rotation for robust corrections.\u003c\/li\u003e\n  \u003cli\u003eRubber pads protect wheel rims while maintaining contact.\u003c\/li\u003e\n  \u003cli\u003eComes tested and quality-controlled; packaged with an instruction sheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Lirinsegie DAG-2.2 is aimed at home mechanics, bike shop technicians, and serious cyclists who prefer to maintain and tune their own drivetrains. If you want faster, more precise gear indexing after wheel changes or minor crashes — without guessing — this tool gives repeatable, professional-level alignment at an affordable price. Instructions are included in the package for first-time users; experienced mechanics will appreciate the durable construction and predictable results.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this gauge fit my 27.5\" mountain bike?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The DAG-2.2 supports wheels from 20\" to 29\", including 27.5\" MTB wheels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this on frames with internal hangers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It requires external hanger access to reference and correct alignment accurately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lirinsegie","offers":[{"title":"Default Title","offer_id":48025875316897,"sku":"B09JYJ9VPR","price":100.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/lirinsegie-gauge-front-view.jpg?v=1791363383","url":"https:\/\/canadiansporting.ca\/products\/lirinsegie-bicycle-dag-2-2-derailleur-hanger-alignment","provider":"Canadian Sporting","version":"1.0","type":"link"}