{"product_id":"trek-checkpoint-alr-frameset-57659","title":"Trek Checkpoint ALR Frameset","description":"\u003cp\u003eCheckpoint ALR Frameset is the perfect starting point for your dream aluminum gravel bike. Its 300 Series Alpha Aluminum frame features Gravel Endurance geometry to keep you comfortable through long miles, and a full carbon fork keeps things lightweight. Build it up as a bikepacking rig or spec it for your ultimate alloy gravel race bike, the world is your oyster.\u003c\/p\u003e\u003ch2\u003eHighlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounts galore\u003c\/strong\u003e - The new Checkpoint ALR is equipped to carry everything you need with mounts on the frame and fork for front and rear racks, fenders, and Adventure Top Tube, Frame, and Triangle Bags. Plus, the new frame was optimized to fit extra hydration in addition to all your bags.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravel Endurance geometry\u003c\/strong\u003e - Designed with Gravel Endurance geometry with a higher stack and shorter reach for improved comfort and control on long days in the saddle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig 'ol tire clearance\u003c\/strong\u003e - Designed with 50mm (or 29 x 2.0)* tire clearance for more grip and comfort on challenging terrain.\u0026lt;br\u0026gt;*As measured\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspension fork and dropper post compatible\u003c\/strong\u003e - Compatible with a suspension fork* and dropper post for riders tackling technical descents or seeking more aggressive off-road performance. \u0026lt;br\u0026gt; *Available on all sizes except XS frames\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA better way to produce aluminum\u003c\/strong\u003e - Starting 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\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey specs\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBike type\u003c\/th\u003e\n\u003ctd\u003eCheckpoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBuild\u003c\/th\u003e\n\u003ctd\u003eFrameset (frame, fork and listed parts only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrame\u003c\/th\u003e\n\u003ctd\u003e300 Series Alpha Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSuspension\u003c\/th\u003e\n\u003ctd\u003eRigid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWheel size\u003c\/th\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax tire size\u003c\/th\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax total weight\u003c\/th\u003e\n\u003ctd\u003e275 lb (bike + rider + cargo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax brake rotor\u003c\/th\u003e\n\u003ctd\u003e180mm front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax chainring\u003c\/th\u003e\n\u003ctd\u003e1x:44 2x: 46\/30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMax fork travel\u003c\/th\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSizes\u003c\/th\u003e\n\u003ctd\u003eXS, S, M, ML, L, XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel year\u003c\/th\u003e\n\u003ctd\u003e2027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eFull specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrame\u003c\/th\u003e\n\u003ctd\u003e300 Series Alpha Aluminum, Internal cable routing, 3S chain keeper, T47, UDH, rack and fender mounts, integrated frame bag mounts, flat mount disc, 142x12mm chamfered thru axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFork\u003c\/th\u003e\n\u003ctd\u003eTrek Checkpoint, full carbon, tapered steerer, rack mounts, fender mounts, flat mount disc, 12x100mm thru axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSkewer front\u003c\/th\u003e\n\u003ctd\u003eBontrager Switch chamfered thru axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSkewer rear\u003c\/th\u003e\n\u003ctd\u003eBontrager Switch chamfered thru axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeadset part (see also: Bearing)\u003c\/th\u003e\n\u003ctd\u003eBontrager Headset Expander Plug and Top Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eGeometry\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eMeasurement (cm)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eXS\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eS\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eM\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eML\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eL\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eXL\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWheel size\u003c\/th\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003ctd\u003e700c\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeat tube\u003c\/th\u003e\n\u003ctd\u003e44.5\u003c\/td\u003e\n\u003ctd\u003e48.0\u003c\/td\u003e\n\u003ctd\u003e50.5\u003c\/td\u003e\n\u003ctd\u003e53.0\u003c\/td\u003e\n\u003ctd\u003e55.0\u003c\/td\u003e\n\u003ctd\u003e57.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSeat tube angle\u003c\/th\u003e\n\u003ctd\u003e74.1°\u003c\/td\u003e\n\u003ctd\u003e73.7°\u003c\/td\u003e\n\u003ctd\u003e73.2°\u003c\/td\u003e\n\u003ctd\u003e72.8°\u003c\/td\u003e\n\u003ctd\u003e72.5°\u003c\/td\u003e\n\u003ctd\u003e72.1°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHead tube length\u003c\/th\u003e\n\u003ctd\u003e9.6\u003c\/td\u003e\n\u003ctd\u003e11.7\u003c\/td\u003e\n\u003ctd\u003e14.0\u003c\/td\u003e\n\u003ctd\u003e16.2\u003c\/td\u003e\n\u003ctd\u003e18.1\u003c\/td\u003e\n\u003ctd\u003e20.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHead tube angle\u003c\/th\u003e\n\u003ctd\u003e71.2°\u003c\/td\u003e\n\u003ctd\u003e71.6°\u003c\/td\u003e\n\u003ctd\u003e71.8°\u003c\/td\u003e\n\u003ctd\u003e72.2°\u003c\/td\u003e\n\u003ctd\u003e72.3°\u003c\/td\u003e\n\u003ctd\u003e72.6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEff. top tube\u003c\/th\u003e\n\u003ctd\u003e53.6\u003c\/td\u003e\n\u003ctd\u003e54.8\u003c\/td\u003e\n\u003ctd\u003e56.8\u003c\/td\u003e\n\u003ctd\u003e58.0\u003c\/td\u003e\n\u003ctd\u003e59.2\u003c\/td\u003e\n\u003ctd\u003e60.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBB drop\u003c\/th\u003e\n\u003ctd\u003e7.8\u003c\/td\u003e\n\u003ctd\u003e7.8\u003c\/td\u003e\n\u003ctd\u003e7.6\u003c\/td\u003e\n\u003ctd\u003e7.6\u003c\/td\u003e\n\u003ctd\u003e7.4\u003c\/td\u003e\n\u003ctd\u003e7.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChainstay length\u003c\/th\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003ctd\u003e43.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOffset\u003c\/th\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTrail\u003c\/th\u003e\n\u003ctd\u003e7.4\u003c\/td\u003e\n\u003ctd\u003e7.1\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003ctd\u003e6.7\u003c\/td\u003e\n\u003ctd\u003e6.6\u003c\/td\u003e\n\u003ctd\u003e6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWheelbase\u003c\/th\u003e\n\u003ctd\u003e102.5\u003c\/td\u003e\n\u003ctd\u003e103.3\u003c\/td\u003e\n\u003ctd\u003e104.1\u003c\/td\u003e\n\u003ctd\u003e104.8\u003c\/td\u003e\n\u003ctd\u003e105.8\u003c\/td\u003e\n\u003ctd\u003e107.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStandover\u003c\/th\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e76.5\u003c\/td\u003e\n\u003ctd\u003e78.9\u003c\/td\u003e\n\u003ctd\u003e80.9\u003c\/td\u003e\n\u003ctd\u003e82.9\u003c\/td\u003e\n\u003ctd\u003e85.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eReach\u003c\/th\u003e\n\u003ctd\u003e38.0\u003c\/td\u003e\n\u003ctd\u003e38.5\u003c\/td\u003e\n\u003ctd\u003e39.1\u003c\/td\u003e\n\u003ctd\u003e39.7\u003c\/td\u003e\n\u003ctd\u003e40.2\u003c\/td\u003e\n\u003ctd\u003e40.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStack\u003c\/th\u003e\n\u003ctd\u003e54.5\u003c\/td\u003e\n\u003ctd\u003e56.6\u003c\/td\u003e\n\u003ctd\u003e58.9\u003c\/td\u003e\n\u003ctd\u003e61.1\u003c\/td\u003e\n\u003ctd\u003e63.0\u003c\/td\u003e\n\u003ctd\u003e65.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eSize guide\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSize\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eInseam\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRider Height\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eXS\u003c\/th\u003e\n\u003ctd\u003e26\" - 29\" (67-74 cm)\u003c\/td\u003e\n\u003ctd\u003e4'8\" - 5'2\" (143-158 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eS (49cm)\u003c\/th\u003e\n\u003ctd\u003e29\" - 30\" (74-77 cm)\u003c\/td\u003e\n\u003ctd\u003e5'2\" - 5'5\" (158-164 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eM (52-54cm)\u003c\/th\u003e\n\u003ctd\u003e30\" - 33\" (77-83 cm)\u003c\/td\u003e\n\u003ctd\u003e5'5\" - 5'10\" (164-177 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eML (56cm)\u003c\/th\u003e\n\u003ctd\u003e33\" - 35\" (83-88 cm)\u003c\/td\u003e\n\u003ctd\u003e5'10\" - 6'2\" (177-188 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eL (58cm)\u003c\/th\u003e\n\u003ctd\u003e35\" - 36\" (88-91 cm)\u003c\/td\u003e\n\u003ctd\u003e6'2\" - 6'4\" (188-194 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eXL (61cm)\u003c\/th\u003e\n\u003ctd\u003e36\" - 37\" (91-95 cm)\u003c\/td\u003e\n\u003ctd\u003e6'4\" - 6'8\" (194-203 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheckpoint-ready accessories\u003c\/strong\u003e - Gear up for adventure with pedals, bags, bottles, and more — all compatible with Checkpoint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 Series Alpha Aluminum\u003c\/strong\u003e - Trek’s premium-grade aluminum is hydroformed into size-specific tubes that provide the perfect balance of stiffness and weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGravel Specific Tires\u003c\/strong\u003e - Wider gravel-specific tires provide better traction and more stability while riding on gravel or dirt tracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon fork\u003c\/strong\u003e - Lightweight fork with carbon fiber legs soaks up hand-numbing road vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Mount disc brakes\u003c\/strong\u003e - All-new Flat Mount disc brakes are more elegant, lighter, smaller, and cleaner than traditional disc brakes, providing superior performance and stopping power under harsh conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubeless Ready rims\u003c\/strong\u003e - Bontrager TLR (Tubeless Ready) Road is the first fully integrated tubeless system for road wheels. When you go tubeless with TLR, you can run lower tire pressure for increased traction and comfort without the threat of pinch flats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlendr-compatible stem\u003c\/strong\u003e - Bontrager Blendr stem technology lets you clip your gear directly to the stem for clean looks, maximum user friendliness.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSold by Atlanta Cycling, an authorized Trek retailer in Atlanta, GA. Model year 2027. Manufacturer part #57659.\u003c\/p\u003e","brand":"Trek","offers":[{"title":"XS \/ Bronze Age","offer_id":51669552431271,"sku":"5337935","price":1049.99,"currency_code":"USD","in_stock":false},{"title":"S \/ Bronze Age","offer_id":51669552464039,"sku":"5337936","price":1049.99,"currency_code":"USD","in_stock":true},{"title":"M \/ Bronze Age","offer_id":51669552496807,"sku":"5337937","price":1049.99,"currency_code":"USD","in_stock":false},{"title":"ML \/ Bronze Age","offer_id":51669552529575,"sku":"5337938","price":1049.99,"currency_code":"USD","in_stock":false},{"title":"L \/ Bronze Age","offer_id":51669552562343,"sku":"5337939","price":1049.99,"currency_code":"USD","in_stock":true},{"title":"XL \/ Bronze Age","offer_id":51669552595111,"sku":"5337940","price":1049.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/6076\/5863\/files\/trek-checkpoint-alr-frameset-bronze-age-1.jpg?v=1793118368","url":"https:\/\/www.atlantacycling.com\/products\/trek-checkpoint-alr-frameset-57659","provider":"Atlanta Cycling","version":"1.0","type":"link"}