{"product_id":"trek-top-fuel-8-gen-4","title":"Trek Top Fuel 8 Gen 4","description":"Top Fuel 8 Gen 4 is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence. It packs in a versatile 130mm front and 120mm rear travel for ripping over rocks and roots without sacrificing power on ascents. It's built from lightweight Alpha Platinum Aluminum that helps save your budget for bike trips, but packs in upgrades where they matter, like a 12-speed Shimano XT and SLX drivetrain, and a Fox Rhythm 34 fork. \u003cul\u003e\n\u003cli\u003eIts lightweight frame and versatile geometry make it the perfect choice for all kinds of rides and all kinds of riders\u003c\/li\u003e\n\u003cli\u003eThe 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride\u003c\/li\u003e\n\u003cli\u003eYou get a sweet balance of price and performance with upgraded components and a rugged alloy frame\u003c\/li\u003e\n\u003cli\u003eThe Alpha Platinum Aluminum frame is robust, yet light, and packs in updated internal frame storage for easy access to gear and snacks\u003c\/li\u003e\n\u003cli\u003eIt's more upgrade-ready than ever, with room for bigger 140mm forks and longer-stroke shocks for up to 130mm of rear travel, plus room for extra-long dropper posts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ch3\u003eMake Top Fuel yours\u003c\/h3\u003e\u003cp\u003eOpt for light parts and a 120mm fork for a featherweight Top Fuel, or a 140mm fork and longer-stroke 130mm rear shock for extra versatility. Room for a longer dropper and MX wheels lets you customize Top Fuel into an ultimate playful trail whip.\u003c\/p\u003e\u003cimg src=\"\"\u003e\u003cimg src=\"https:\/\/media.trekbikes.com\/image\/upload\/TK24_TopFuel_TechFeature-3.jpg\"\u003e\u003ch3\u003e4-way Mino Link\u003c\/h3\u003e\u003cp\u003eEasily adjust the suspension and geometry four different ways for where and how you ride. With the flip of a chip, you can ride with more or less progressive suspension, and tweak your geometry for a slacker head tube and lower BB or steeper head tube and higher BB.\u003c\/p\u003e\u003cimg src=\"\"\u003e\u003cimg src=\"https:\/\/media.trekbikes.com\/image\/upload\/TK24_TopFuel_TechFeature-1.jpg\"\u003e\u003ch3\u003eNew internal storage with new BITS bags\u003c\/h3\u003e\u003cp\u003eNew internal frame storage bags make it easy to ditch the pack and still carry your ride essentials.\u003c\/p\u003e\u003cimg src=\"\"\u003e\u003cimg src=\"https:\/\/media.trekbikes.com\/image\/upload\/TK24_TopFuel_TechFeature-2.jpg\"\u003e\u003ch3\u003eActive Braking Pivot\u003c\/h3\u003e\u003cp\u003eActive Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.\u003c\/p\u003e\u003cimg src=\"\"\u003e\u003cimg src=\"https:\/\/media.trekbikes.com\/image\/upload\/MTB_ABP_Trail.jpg\"\u003e\u003ch3\u003eA better way to produce aluminum\u003c\/h3\u003e\u003cp\u003eStarting in 2024, we began removing high-emission aluminum from our manufacturing and replacing it with low-emission aluminum made with renewable energy. By October 2025, nearly every alloy bike we make - this one included - had made the switch, driving a major drop in our footprint.\u003c\/p\u003e\u003cimg src=\"\"\u003e\u003cimg src=\"https:\/\/media.trekbikes.com\/image\/upload\/Alpha-Next-tech-feature.jpg\"\u003e\u003ch3\u003eShimano XT\u003c\/h3\u003e\u003cp\u003eShimano XT is the original mountain bike groupset and trusted by generations of mountain bikers around the world. Whatever the trail, wherever you ride, XT is your solution for mountain biking today. Reliable shifting. Superior braking. Intuitive maintenance. XT is the high performance workhorse you can count on.\u003c\/p\u003e\u003cimg src=\"\"\u003e\u003cimg src=\"https:\/\/media.trekbikes.com\/image\/upload\/ShimanoXT_techfeature_16x9_31Jan2022.jpg\"\u003e\u003cbr\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eAlpha Platinum Aluminum, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork\u003c\/td\u003e\n\u003ctd\u003eFox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 130mm travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock\u003c\/td\u003e\n\u003ctd\u003eFox Performance Float DPS, 2-position damper, 185mm x 50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Front\u003c\/td\u003e\n\u003ctd\u003eBontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5'' \/\/ Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5''\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Rear\u003c\/td\u003e\n\u003ctd\u003eBontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano Micro Spline freehub, Boost148, 12mm thru axle, 27.5'' \/\/ Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano Micro Spline freehub, Boost148, 12mm thru axle, 27.5''\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire\u003c\/td\u003e\n\u003ctd\u003eBontrager Gunnison Pro XR, Tubeless Ready, wire bead, 60 tpi, 27.5x2.40''\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTire Part\u003c\/td\u003e\n\u003ctd\u003eBontrager TLR sealant, 6oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkewer Rear\u003c\/td\u003e\n\u003ctd\u003eBontrager Switch thru axle, removable lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShifter\u003c\/td\u003e\n\u003ctd\u003eShimano XT M8100, 12 speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Derailleur\u003c\/td\u003e\n\u003ctd\u003eShimano XT M8100, long cage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrank\u003c\/td\u003e\n\u003ctd\u003eShimano Deore M6120, 30T ring, 55mm chainline, 170mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom Bracket\u003c\/td\u003e\n\u003ctd\u003eShimano BB-MT501 BSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCassette\u003c\/td\u003e\n\u003ctd\u003eShimano SLX M7100, 10-51T, 12 speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChain\u003c\/td\u003e\n\u003ctd\u003eShimano SLX M7100, 12 speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake\u003c\/td\u003e\n\u003ctd\u003eShimano 4-piston hydraulic disc, M6100 lever, M6120 caliper \/\/ Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Rotor\u003c\/td\u003e\n\u003ctd\u003eShimano RT66, 6-bolt, 180mm \/\/ Shimano RT66, 6-bolt, 180mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle\u003c\/td\u003e\n\u003ctd\u003eBontrager Verse P3, chromoly rails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeatpost\u003c\/td\u003e\n\u003ctd\u003eBontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandlebar\u003c\/td\u003e\n\u003ctd\u003eBontrager Line, alloy, 35mm, 27.5mm rise, 780mm width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem\u003c\/td\u003e\n\u003ctd\u003eBontrager Elite, 35mm, 0 degree, 45mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrips\u003c\/td\u003e\n\u003ctd\u003eBontrager XR Trail Comp, nylon lock-on \/\/ Trek Line Comp, nylon lock-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003ch3\u003eGeometry Chart\u003c\/h3\u003e\u003ctable style=\"width:100%\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eB B Drop\u003c\/td\u003e\n\u003ctd\u003e2.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB B Height\u003c\/td\u003e\n\u003ctd\u003e35.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainstay Length\u003c\/td\u003e\n\u003ctd\u003e43.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEff Seat Tube Angle\u003c\/td\u003e\n\u003ctd\u003e76.6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEff Top Tube\u003c\/td\u003e\n\u003ctd\u003e61.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Reach\u003c\/td\u003e\n\u003ctd\u003e46.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Size Letter\u003c\/td\u003e\n\u003ctd\u003eML\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Stack\u003c\/td\u003e\n\u003ctd\u003e60.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Angle\u003c\/td\u003e\n\u003ctd\u003e65.9°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Tube Length\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOffset\u003c\/td\u003e\n\u003ctd\u003e4.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Tube\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Tube Angle\u003c\/td\u003e\n\u003ctd\u003e70.5°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandover\u003c\/td\u003e\n\u003ctd\u003e75.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrail\u003c\/td\u003e\n\u003ctd\u003e12.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheelbase\u003c\/td\u003e\n\u003ctd\u003e121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e29\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eMATTE DARK WEB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Trek","offers":[{"title":"S (27.5\" WHEEL)","offer_id":52053584740645,"sku":"5319313","price":4199.99,"currency_code":"USD","in_stock":true},{"title":"M","offer_id":52053584773413,"sku":"5319314","price":4199.99,"currency_code":"USD","in_stock":false},{"title":"ML","offer_id":52053584806181,"sku":"5319315","price":4199.99,"currency_code":"USD","in_stock":false},{"title":"L","offer_id":52053584838949,"sku":"5319316","price":4199.99,"currency_code":"USD","in_stock":false},{"title":"XL","offer_id":52053584871717,"sku":"5319317","price":4199.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1263\/4149\/files\/7c975273d6ad271bc9b777e329b5957869392578.jpg?v=1772688342","url":"https:\/\/www.binghamcyclery.com\/products\/trek-top-fuel-8-gen-4","provider":"Bingham Cyclery","version":"1.0","type":"link"}