{"product_id":"specialized-sj-15-alloy-bike","title":"Stumpjumper 15 Alloy","description":"\u003cp\u003eStumpjumper 15 Alloy is here to obliterate every trade-off in the trail game. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. How about a heaping helping of personalization to make it perfect for the only rider who really matters—you? Check, check, check.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrameset\u003c\/strong\u003e\u003cbr\u003eFrame: M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel\u003c\/p\u003e\n\u003cp\u003eSeat Binder: Alloy, 38.6mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSuspension\u003c\/strong\u003e\u003cbr\u003eRear Shock: X-Fusion 02 Pro RL, Ride Dynamics Trail Tune, rebound adjust, lockout S1:210x52.5mm, S2-S6:210x55mm\u003c\/p\u003e\n\u003cp\u003eFork: RockShox, Psylo Silver, Motion Control Damper, 15x110 axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrakes\u003c\/strong\u003e\u003cbr\u003eFront Brake: Shimano, BR-MT420, 4-piston caliper, hydraulic disc, 203mm\u003c\/p\u003e\n\u003cp\u003eRear Brake: Shimano, BR-MT420, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrivetrain\u003c\/strong\u003e\u003cbr\u003eShift Levers: Shimano Deore, M6100, 12spd\u003c\/p\u003e\n\u003cp\u003eRear Derailleur: Shimano Deore, M6100, 12pd, Shadow Plus\u003c\/p\u003e\n\u003cp\u003eCassette: Shimano Deore, M6100, 12spd w\/Hyperglide+, 10-51t\u003c\/p\u003e\n\u003cp\u003eChain: Shimano Deore, M6100, 12-speed\u003c\/p\u003e\n\u003cp\u003eCrankset: Shimano Deore, M6120, 30T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWheels \u0026amp; Tires\u003c\/strong\u003e\u003cbr\u003eRims: Specialized Alloy, Tubeless Ready, 29mm internal width, 28h, Front: 29, Rear: S1-S2: 27.5, S3- S6: 29\u003c\/p\u003e\n\u003cp\u003eFront Hub: Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h\u003c\/p\u003e\n\u003cp\u003eRear Hub: Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h\u003c\/p\u003e\n\u003cp\u003eSpokes: Stainless, 14g\u003c\/p\u003e\n\u003cp\u003eFront Tire: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3\"\u003c\/p\u003e\n\u003cp\u003eRear Tire: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3- S6: 29x2.3\"\u003c\/p\u003e\n\u003cp\u003eInner Tubes: Standard, Presta valve\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCockpit\u003c\/strong\u003e\u003cbr\u003eStem: Alloy Trail Stem, 35mm bar bore\u003c\/p\u003e\n\u003cp\u003eHandlebars: Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. 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