{"product_id":"2026-riprock-21","title":"Specialized Riprock 20 Kids Mountain Bike 8-Speed Hydraulic Disc MTB","description":"\u003ch2\u003eSpecialized Riprock 20 Kids Mountain Bike\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e20\" Wheels | 8-Speed | Hydraulic Disc Brakes | A1 Premium Alloy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSpecialized Riprock 20\u003c\/strong\u003e is a true kids' mountain bike designed to give young riders the confidence and control to explore beyond the pavement. Rather than simply shrinking an adult bike, Specialized developed the Riprock around young riders with kid-specific geometry, components, and touchpoints.\u003c\/p\u003e\n\u003cp\u003eA lightweight \u003cstrong\u003eA1 Premium Alloy frame\u003c\/strong\u003e, wide-range \u003cstrong\u003emicroSHIFT Acolyte 8-speed drivetrain\u003c\/strong\u003e, hydraulic disc brakes, and trail-ready 20-inch tires give young riders the equipment they need to climb, descend, and build their skills with confidence.\u003c\/p\u003e\n\u003cp\u003eKid-specific details—including a \u003cstrong\u003e130mm Bridge saddle, narrow Q-factor crankset, short-reach controls, and appropriately sized grips\u003c\/strong\u003e—help improve comfort and bike handling as riders progress.\u003c\/p\u003e\n\u003cp\u003eAvailable from \u003cstrong\u003eStage 21 Bikes\u003c\/strong\u003e, your trusted source for genuine Specialized bikes, components, and performance upgrades.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose-built 20\" kids mountain bike\u003c\/li\u003e\n\u003cli\u003eLightweight A1 Premium Butted Alloy frame\u003c\/li\u003e\n\u003cli\u003eKid-specific geometry designed for confident handling\u003c\/li\u003e\n\u003cli\u003emicroSHIFT Acolyte 8-speed drivetrain\u003c\/li\u003e\n\u003cli\u003eWide-range 12–42T cassette for easier climbing\u003c\/li\u003e\n\u003cli\u003ePromax hydraulic disc brakes with adjustable reach\u003c\/li\u003e\n\u003cli\u003eShort-reach shifter designed for smaller hands\u003c\/li\u003e\n\u003cli\u003eTrail-ready 20 × 2.1\" tires\u003c\/li\u003e\n\u003cli\u003eBoost front and rear hub spacing\u003c\/li\u003e\n\u003cli\u003eInternal cable routing for a clean appearance\u003c\/li\u003e\n\u003cli\u003e30.9mm dropper-post-ready frame\u003c\/li\u003e\n\u003cli\u003eReplaceable derailleur hanger compatible\u003c\/li\u003e\n\u003cli\u003eNarrow Q-factor crankset for improved pedaling alignment\u003c\/li\u003e\n\u003cli\u003e130mm Specialized Bridge Kids saddle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrame \u0026amp; Fork\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecialized A1 Premium Butted Alloy\u003c\/li\u003e\n\u003cli\u003eUnisex kids geometry\u003c\/li\u003e\n\u003cli\u003eInternal cable routing\u003c\/li\u003e\n\u003cli\u003e12 × 148mm Boost rear thru-axle\u003c\/li\u003e\n\u003cli\u003e30.9mm dropper-post ready\u003c\/li\u003e\n\u003cli\u003eReplaceable derailleur hanger compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFork\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA1 Premium Butted Alloy\u003c\/li\u003e\n\u003cli\u003eAlloy steerer\u003c\/li\u003e\n\u003cli\u003e15 × 110mm Boost\u003c\/li\u003e\n\u003cli\u003eMini fender\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDrivetrain\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Derailleur:\u003c\/strong\u003e microSHIFT Super Short RD-M5185S with clutch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifter:\u003c\/strong\u003e microSHIFT Acolyte SL-M6285-R Quick Trigger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCassette:\u003c\/strong\u003e microSHIFT Acolyte CS-H084, 12–42T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring:\u003c\/strong\u003e 30T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankset:\u003c\/strong\u003e Forged alloy, narrow Q-factor with chainguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom Bracket:\u003c\/strong\u003e Square taper, 68mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe wide-range 1x drivetrain eliminates the complexity of a front derailleur while providing gearing suitable for climbing and trail riding.\u003c\/p\u003e\n\u003ch2\u003eBrakes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront:\u003c\/strong\u003e Promax DSK-926 hydraulic disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear:\u003c\/strong\u003e Promax DSK-926 hydraulic disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Rotor:\u003c\/strong\u003e 160mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLever:\u003c\/strong\u003e Adjustable reach\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdjustable-reach hydraulic brake levers help accommodate smaller hands while providing dependable braking control on pavement and trails.\u003c\/p\u003e\n\u003ch2\u003eCockpit \u0026amp; Seating\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar:\u003c\/strong\u003e Double-butted alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandlebar Width:\u003c\/strong\u003e 620mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRise:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacksweep:\u003c\/strong\u003e 11°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpsweep:\u003c\/strong\u003e 2.5°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp:\u003c\/strong\u003e 31.8mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem:\u003c\/strong\u003e Stout 3D-forged alloy, 35mm, 6° rise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrips:\u003c\/strong\u003e Specialized Trail lock-on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaddle:\u003c\/strong\u003e Specialized Bridge Kids, 130mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeatpost:\u003c\/strong\u003e Specialized 6061 alloy, 30.9mm, 0mm setback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat Binder:\u003c\/strong\u003e Bolt type, 34.9mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWheels \u0026amp; Tires\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Size:\u003c\/strong\u003e 20\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRims:\u003c\/strong\u003e Alloy, 25mm internal width, 28H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Hub:\u003c\/strong\u003e Alloy, 6-bolt, 28H, 15 × 110mm Boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Hub:\u003c\/strong\u003e Alloy, 6-bolt, 28H, 12 × 148mm Boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpokes:\u003c\/strong\u003e Stainless steel, 14g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Tire:\u003c\/strong\u003e Specialized Kicker Wirebead, 20 × 2.1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Tire:\u003c\/strong\u003e Specialized Kicker Wirebead, 20 × 2.1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubes:\u003c\/strong\u003e Standard, Schrader valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePedals:\u003c\/strong\u003e Nylon platform with reflectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeometry\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGeometry\u003c\/th\u003e\n\u003cth\u003eRiprock 20\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Size\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStack\u003c\/td\u003e\n\u003ctd\u003e385mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReach\u003c\/td\u003e\n\u003ctd\u003e295mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Tube Length\u003c\/td\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Tube Angle\u003c\/td\u003e\n\u003ctd\u003e68°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Height\u003c\/td\u003e\n\u003ctd\u003e239mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBB Drop\u003c\/td\u003e\n\u003ctd\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrail\u003c\/td\u003e\n\u003ctd\u003e66mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork Length\u003c\/td\u003e\n\u003ctd\u003e320mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork Offset\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Center\u003c\/td\u003e\n\u003ctd\u003e482mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChainstay Length\u003c\/td\u003e\n\u003ctd\u003e350mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheelbase\u003c\/td\u003e\n\u003ctd\u003e830mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Tube Length\u003c\/td\u003e\n\u003ctd\u003e405mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandover Height\u003c\/td\u003e\n\u003ctd\u003e520mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Tube Length\u003c\/td\u003e\n\u003ctd\u003e290mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Tube Angle\u003c\/td\u003e\n\u003ctd\u003e73.5°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem Length\u003c\/td\u003e\n\u003ctd\u003e35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle Width\u003c\/td\u003e\n\u003ctd\u003e130mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAvailable Colors \u0026amp; Part Numbers\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003cth\u003eWheel Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e96526-7020\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGloss Flored Calsun Orgzst\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e96526-7120\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGloss Pine Green \/ Dune White\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e96526-7220\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGloss Sky Blue \/ Oasis and Desert Rose\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKid-Specific Design\u003c\/h2\u003e\n\u003cp\u003eThe Riprock 20 incorporates several features specifically selected around the proportions and needs of younger riders. The narrow Q-factor helps improve hip, knee, and ankle alignment, while the appropriately sized saddle, grips, cockpit, and short-reach controls make the bike easier to manage.\u003c\/p\u003e\n\u003cp\u003eIts modern mountain-bike geometry provides a stable platform for learning trail skills without making the bike feel cumbersome or difficult to maneuver.\u003c\/p\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYoung riders progressing to a true mountain bike\u003c\/li\u003e\n\u003cli\u003eTrail and recreational riding\u003c\/li\u003e\n\u003cli\u003eNeighborhood riding and bike paths\u003c\/li\u003e\n\u003cli\u003eDeveloping shifting and braking skills\u003c\/li\u003e\n\u003cli\u003eRiders ready for hydraulic disc brakes and gears\u003c\/li\u003e\n\u003cli\u003eFamilies looking for a capable bike that goes beyond basic kids-bike components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose the Specialized Riprock 20?\u003c\/h2\u003e\n\u003cp\u003eThe Riprock 20 brings many features normally associated with full-size mountain bikes to a properly proportioned kids platform. \u003cstrong\u003eHydraulic disc brakes, Boost thru-axles, an 8-speed wide-range drivetrain, internal cable routing, trail geometry, and a dropper-ready frame\u003c\/strong\u003e give young riders room to develop their skills rather than quickly outgrowing the bike's capabilities.\u003c\/p\u003e\n\u003cp\u003eFor kids ready to move beyond a basic neighborhood bike and start exploring real trails, the Specialized Riprock 20 provides a capable, confidence-focused platform built specifically for them.\u003c\/p\u003e","brand":"Specialized","offers":[{"title":"FLORED\/CALSUN\/ORGZST","offer_id":48841439609072,"sku":"96526-7020","price":649.0,"currency_code":"USD","in_stock":true},{"title":"PNGRN\/DUNEWHT\/CALSUN","offer_id":48841439641840,"sku":"96526-7120","price":649.0,"currency_code":"USD","in_stock":true},{"title":"SKY BLUE\/OASIS\/DESERT ROSE","offer_id":48841439674608,"sku":"96526-7220","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/8142\/8720\/files\/96526-7220.webp?v=1787941440","url":"https:\/\/stage21bikes.com\/products\/2026-riprock-21","provider":"Stage 21 Bikes","version":"1.0","type":"link"}