{"product_id":"2026-polygon-tambora-g4","title":"2026 Polygon Tambora G4","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\u003ch3\u003eTAMBORA: Our Most Versatile Gravel Machine\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGravel | ACX \u0026amp; ALX Frames | 12 Available Builds\u003c\/strong\u003e\u003c\/p\u003eWhether you're a long-distance enthusiast or an adventurous explorer, the TAMBORA is here for all your gravel needs. Flip chips at the rear dropouts and fork base let you switch between gravel and all-road geometry in minutes, making the TAMBORA genuinely two-bikes-in-one. With 14 universal mounting points across the frame, it's ready to carry everything your adventure demands.\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFrameset\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrameset:\u003c\/strong\u003e ALX GRAVEL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFork:\u003c\/strong\u003e CARBON RIGID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Color:\u003c\/strong\u003e BROKEN WHITE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecal Color:\u003c\/strong\u003e BLACK\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eDrivetrain\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifter:\u003c\/strong\u003e MICROSHIFT ADVENT X SB-M100, 1x10-SPEED BRIFTER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrank:\u003c\/strong\u003e ALLOY 40T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCassette:\u003c\/strong\u003e MICROSHIFT ADVENT X CS-H104 10 SPEED 11-48T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Derailleur:\u003c\/strong\u003e MICROSHIFT ADVENT X M6205GM 10-SPEED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBB:\u003c\/strong\u003e THREADED BSA 68mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain:\u003c\/strong\u003e KMC X10\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCockpit\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaddle:\u003c\/strong\u003e SELLE ITALIA MODEL X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeatpost:\u003c\/strong\u003e ALLOY SEATPOST, DXL: 27,2 x 350mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar:\u003c\/strong\u003e ALLOY FLARE 16degree, W: 420mm (S, M) \/ 440mm (L, XL), BB: 31,8mm, R\/D: 125mm, B\/R: 77mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlestem:\u003c\/strong\u003e ALLOY STEM, EXT: 90mm (S, M) \/ 100mm (L, XL), BB: 31,8mm, R\/D: 7degree\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadset:\u003c\/strong\u003e TOKEN TK156SP-CHHC W\/ SEALED BEARING\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWheel \u0026amp; Tire\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Set:\u003c\/strong\u003e ALLOY DOUBLE WALL 32H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTire:\u003c\/strong\u003e VEE RAIL 700x40C 622x40 TLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim:\u003c\/strong\u003e ALLOY DOUBLE WALL FV H: 19 622X23 32H TLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub:\u003c\/strong\u003e F: ALLOY DISC BRAKE 12x100mm 32H 6B \/ R: ALLOY DISC BRAKE 12x142mm 32H 6B FOR SPROCKET\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e F: STAINLESS 14G NDS:290 \u0026amp; DS:294 W\/ NIPPLE BRASS \/ R: STAINLESS 14G NDS:292 \u0026amp; DS:290 W\/ NIPPLE BRASS\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBrake\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Lever:\u003c\/strong\u003e MICROSHIFT ADVENT X SB-M100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Caliper:\u003c\/strong\u003e TEKTRO MD-C550 MECHANICAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor:\u003c\/strong\u003e TEKTRO 160mm 6B\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eGeometry\u003c\/h4\u003e\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eS\u003c\/th\u003e\n\u003cth\u003eM\u003c\/th\u003e\n\u003cth\u003eL\u003c\/th\u003e\n\u003cth\u003eXL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight (cm)\u003c\/th\u003e\n\u003ctd\u003e150-163\u003c\/td\u003e\n\u003ctd\u003e163-175\u003c\/td\u003e\n\u003ctd\u003e175-188\u003c\/td\u003e\n\u003ctd\u003e188-195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Tube Length (A)\u003c\/th\u003e\n\u003ctd\u003e404\u003c\/td\u003e\n\u003ctd\u003e448\u003c\/td\u003e\n\u003ctd\u003e492\u003c\/td\u003e\n\u003ctd\u003e535\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeat Tube Angle (B)\u003c\/th\u003e\n\u003ctd\u003e74.5\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEffective Seat Tube Angle (C)\u003c\/th\u003e\n\u003ctd\u003e74.5\u003c\/td\u003e\n\u003ctd\u003e74\u003c\/td\u003e\n\u003ctd\u003e73.5\u003c\/td\u003e\n\u003ctd\u003e73\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Tube Length (D)\u003c\/th\u003e\n\u003ctd\u003e143\u003c\/td\u003e\n\u003ctd\u003e163\u003c\/td\u003e\n\u003ctd\u003e193\u003c\/td\u003e\n\u003ctd\u003e221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Tube Angle (E)\u003c\/th\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e71.5\u003c\/td\u003e\n\u003ctd\u003e71.8\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEffective Top Tube (F)\u003c\/th\u003e\n\u003ctd\u003e526\u003c\/td\u003e\n\u003ctd\u003e551\u003c\/td\u003e\n\u003ctd\u003e581\u003c\/td\u003e\n\u003ctd\u003e611\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBb Height (G)\u003c\/th\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBb Offset (H)\u003c\/th\u003e\n\u003ctd\u003e78\u003c\/td\u003e\n\u003ctd\u003e78\u003c\/td\u003e\n\u003ctd\u003e78\u003c\/td\u003e\n\u003ctd\u003e78\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChainstay Length (I)\u003c\/th\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003ctd\u003e425\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheelbase (J)\u003c\/th\u003e\n\u003ctd\u003e1017\u003c\/td\u003e\n\u003ctd\u003e1022\u003c\/td\u003e\n\u003ctd\u003e1045\u003c\/td\u003e\n\u003ctd\u003e1067\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame Reach (K)\u003c\/th\u003e\n\u003ctd\u003e369\u003c\/td\u003e\n\u003ctd\u003e381\u003c\/td\u003e\n\u003ctd\u003e397\u003c\/td\u003e\n\u003ctd\u003e412\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame Stack (L)\u003c\/th\u003e\n\u003ctd\u003e568\u003c\/td\u003e\n\u003ctd\u003e593\u003c\/td\u003e\n\u003ctd\u003e622\u003c\/td\u003e\n\u003ctd\u003e650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandover Height (M)\u003c\/th\u003e\n\u003ctd\u003e716\u003c\/td\u003e\n\u003ctd\u003e754\u003c\/td\u003e\n\u003ctd\u003e798\u003c\/td\u003e\n\u003ctd\u003e833\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e","brand":"Polygon","offers":[{"title":"White \/ SM","offer_id":45471732793459,"sku":"503016001","price":1399.0,"currency_code":"CAD","in_stock":false},{"title":"White \/ MD","offer_id":45471732826227,"sku":"503016002","price":1399.0,"currency_code":"CAD","in_stock":false},{"title":"White \/ LG","offer_id":45471732858995,"sku":"503016003","price":1399.0,"currency_code":"CAD","in_stock":false},{"title":"White \/ XL","offer_id":45471733252211,"sku":"503016004","price":1399.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6204\/6067\/files\/MY23-TAMBORA-G4-P.png?v=1789138633","url":"https:\/\/dunbarcycles.com\/products\/2026-polygon-tambora-g4","provider":"Dunbar Cycles","version":"1.0","type":"link"}