{"title":"Mountain bike frame","description":"\u003ch2\u003eWhy the MTB frame is so important\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emountain bike frame\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the heart of your bike: it determines the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egeometry, stiffness, weight, and intended use\u003c\/strong\u003e. While components like the suspension, wheels, and drivetrain can be changed relatively easily later on, the geometry of your\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMTB frameset\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewill remain the decisive factor for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehandling and ride feel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor years to come.\u003c\/p\u003e\n\u003cp\u003eWith a high-quality\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehardtail or full-suspension frame\u003c\/strong\u003e, you will get significantly more out of your existing parts, allowing you to build your dream setup piece by piece and tailor your bike perfectly to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eyour terrain and riding style\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eHardtail vs. full-suspension frames\u003c\/h2\u003e\n\u003cp\u003eMTB frames are broadly categorized into\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehardtail frames\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(no rear suspension) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efull-suspension frames\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(with rear suspension):\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHardtail frames:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLighter, simpler construction, less maintenance-intensive. Ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eXC, marathon, pumptrack, and lighter trails\u003c\/strong\u003e. The focus is on efficiency, direct handling, and climbing performance.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eFull-suspension frames:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAn integrated shock and sophisticated kinematics provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etraction, control, and comfort\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– especially on rough trails, enduro, and downhill tracks. Perfect for riders who spend a lot of time descending or love technical trails.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eMany modern platforms offer variants for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etrail\/all-mountain\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eenduro\u003c\/strong\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edownhill\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– each with its own specific travel, head angle, and chainstay lengths.\u003c\/p\u003e\n\u003ch2\u003eUnderstanding geometry: Reach, stack \u0026amp; head angle\u003c\/h2\u003e\n\u003cp\u003eModern MTB frames rely on a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elonger reach, slacker head angles, and steeper seat angles\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto combine more confidence on descents with better climbing performance. Key metrics:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eReach:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetermines how “long” the bike feels when standing. More reach = more\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estability \u0026amp; room in the cockpit\u003c\/strong\u003e; less reach = more agile, but potentially less stable at high speeds.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eStack:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe vertical height of the cockpit. A higher stack results in a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emore upright, relaxed position\u003c\/strong\u003e, while a lower stack is sportier and more direct.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHead angle:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSlacker head angles (e.g., 63–65°) provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estability on steep descents\u003c\/strong\u003e, while steeper angles (e.g., 66–68°) make the bike\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emore agile when climbing and in tight corners\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eIn addition, there are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003echainstay length\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(balance between agility and stability) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ewheelbase\u003c\/strong\u003e, which define the overall character of your mountain bike frame.\u003c\/p\u003e\n\u003ch2\u003eFrame material: Aluminum or carbon?\u003c\/h2\u003e\n\u003cp\u003eMost modern MTB frames are made of either\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ealuminum or carbon\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eAluminum frames:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVery good\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003evalue for money\u003c\/strong\u003e, robust, and relatively resilient. Ideal for riders looking for a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edurable frame kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor trail, enduro, or bike park use.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eCarbon frames:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOffer\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eweight advantages\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand allow for a precise balance of stiffness and flex. Particularly attractive for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eXC race bikes, lightweight trail bikes\u003c\/strong\u003e, and high-end enduro platforms.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eWhich version is right for you depends on your\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintended use, budget, and priorities\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(weight vs. robustness).\u003c\/p\u003e\n\u003ch2\u003eWheel sizes \u0026amp; mullet options\u003c\/h2\u003e\n\u003cp\u003eMTB frames are generally approved for one or more wheel sizes:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003e29\" (29er):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh stability, rolls very well over obstacles – ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eXC, trail, and enduro\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003e27.5\":\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMore agile, playful, slightly more compact – popular for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efreeride, park riding, and shorter riders\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eMullet setup (29\" front \/ 27.5\" rear):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCombines the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erolling behavior \u0026amp; grip\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof the 29-inch front wheel with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efreedom of movement \u0026amp; playfulness\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof a smaller rear wheel.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eWhen choosing your mountain bike frame, check which wheel sizes are\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eofficially approved\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand whether the rear triangle can be converted to a mullet setup, for example, using a flip-chip.\u003c\/p\u003e\n\u003ch2\u003eStandards \u0026amp; compatibility\u003c\/h2\u003e\n\u003cp\u003eTo ensure your\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMTB frame kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecan be assembled without any issues, you should pay attention to the installed standards:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eThru-axles:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommon examples include 12x148 mm (Boost) for the rear wheel, or sometimes 12x157 mm (Super Boost) on gravity bikes.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBottom bracket:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePress-fit (e.g., BB92) or BSA threaded – important for choosing your crankset.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eHead tube:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTapered is the standard for modern forks.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrake mount:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePost-mount standard for disc brakes, sometimes with a minimum rotor size.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eDerailleur hanger \/ UDH:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMany new frames use the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSRAM UDH derailleur hanger\u003c\/strong\u003e, which simplifies the supply of spare parts and supports modern groupsets.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeatpost:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCheck the diameter (e.g., 30.9 \/ 31.6 mm) so that your desired\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edropper post\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efits.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2\u003eStep by step to a custom MTB build\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eStart with a \u003c\/span\u003e\u003cstrong\u003esuitable MTB frame\u003c\/strong\u003e\u003cspan\u003e and build your bike piece by piece. Start with the suspension \u0026amp; wheels, then the drivetrain and finishing kit – this is how you gradually create a \u003c\/span\u003e\u003cstrong\u003emountain bike that is perfectly tailored to you\u003c\/strong\u003e\u003cspan\u003e, without having to invest everything at once.\u003c\/span\u003e\u003c\/p\u003e","products":[],"url":"https:\/\/bunnyhopde.myshopify.com\/en\/collections\/mountainbike-rahmen.oembed","provider":"Bunnyhop","version":"1.0","type":"link"}