{"product_id":"topeak-mtx-trunkbag-rear-bicycle-bag-spacious-commuter-storage","title":"Topeak MTX TrunkBag Rear Bicycle Bag - Spacious Commuter Storage","description":"\u003cp\u003eIn this review of the Topeak MTX TrunkBag, the bottom line is clear: this is a practical rear bag for cyclists who need organized, reliable carrying space for commuting and day trips. Reviewers consistently praise its roomy divided main compartment and the tool-free QuickTrack mount that makes removal after rides effortless. Built from 600D polyester with rigid EVA foam panels and a water-repellent finish, the bag balances durability with everyday convenience and a visible safety strip for low-light riding.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.3 L divided main compartment:\u003c\/strong\u003e Provides structured, organized storage so tools, a jacket, and essentials stay separated and easy to access during stops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo zippered side pockets:\u003c\/strong\u003e Offer quick access to small items and can comfortably hold items like a slim laptop sleeve or compact board game box for day trips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuickTrack System compatible:\u003c\/strong\u003e Mounts securely to Topeak MTX racks for a stable, tool-free connection and effortless slide-off removal after each ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable water-repellent build:\u003c\/strong\u003e 600D polyester combined with rigid EVA foam panels maintains shape and resists dirt and abrasion for longer use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient transport features:\u003c\/strong\u003e Includes a rear bottle holder, elastic bungees, a shoulder strap, and a carrying handle so the bag works on and off the bike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced night safety:\u003c\/strong\u003e A 3M reflective strip and rear light clip increase visibility for low-light commutes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Topeak MTX TrunkBag is aimed at commuters, day-trippers, and practical cyclists who need a stable, easy-to-remove rack bag with organized storage. Its 12.3 L capacity and divided layout make it well suited to carrying work essentials, a change of clothes, tools, and small recreational items without losing structure.\u003c\/p\u003e\u003cp\u003eCyclists who use non-MTX racks or need a waterproof expedition bag should look elsewhere; this bag is water-repellent but not fully waterproof, and the QuickTrack mount is designed for Topeak MTX-compatible racks for best stability.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuality construction with 600D polyester and rigid panels keeps the bag looking and performing well.\u003c\/li\u003e\n\u003cli\u003eRoomy, divided main compartment and side pockets make organization simple for commuting or errands.\u003c\/li\u003e\n\u003cli\u003eQuickTrack mounting system makes removal and reattachment fast and tool-free.\u003c\/li\u003e\n\u003cli\u003eSafety features like a 3M reflective strip and rear light clip boost visibility after dark.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot fully waterproof-resists water and dirt but heavy rain may require an extra cover for sensitive items.\u003c\/li\u003e\n\u003cli\u003eBest fit with Topeak MTX racks, so users with other rack systems may need adapters or a different bag.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTopeak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e12.3 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003e600D polyester with rigid EVA foam panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eQuickTrack System compatible for Topeak MTX racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal pockets\u003c\/td\u003e\n\u003ctd\u003eTwo zippered side pockets and expanding top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransport options\u003c\/td\u003e\n\u003ctd\u003eShoulder strap, carrying handle, elastic bungees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety features\u003c\/td\u003e\n\u003ctd\u003e3M reflective strip and rear light clip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Topeak MTX TrunkBag is a smart value for riders who want a structured, easy-to-remove rear bag for commuting and day rides. Its organized 12.3 L layout, durable materials, and QuickTrack mounting make it a dependable daily carrier, though riders needing full waterproofing or a non-MTX fit should consider alternatives.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this bag fully waterproof?\u003c\/strong\u003e\u003cbr\u003eThe bag is water-repellent thanks to 600D polyester and treated panels, but it is not fully waterproof; use a rain cover for heavy downpours.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit on any rear rack?\u003c\/strong\u003e\u003cbr\u003eIt mounts best on Topeak MTX-compatible racks using the QuickTrack System; other racks may require adapters or different mounting solutions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it carry a laptop or board game box?\u003c\/strong\u003e\u003cbr\u003eThe side pockets and divided main compartment are roomy enough for slim laptops and standard board game boxes on day trips, as reported by customers.\u003c\/p\u003e","brand":"Topeak","offers":[{"title":"Default Title","offer_id":48235171840219,"sku":"B0D6HKY71D","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/811qqNp9VqL._AC_SL1500.jpg?v=1770724430","url":"https:\/\/gearmusthave.com\/products\/topeak-mtx-trunkbag-rear-bicycle-bag-spacious-commuter-storage","provider":"GearMustHave","version":"1.0","type":"link"}