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Riprock 12 Coaster

With our Riprock Coaster 12, riding gets boiled down to its simplest element—fun. And to make sure of it, we designed the bike with tons of cool features that are easy for your little ones to use, like a coaster brake for simple stopping, wide 12x2.3" tires that increase stability and confidence, and tough components that will stand up to years of abuse. It's the perfect bike for your little ripper to start getting out on the trail with—we just wish that we had one when we were kids. 

With our Riprock Coaster 12, riding gets boiled down to its simplest element—fun. And to make sure of it, we designed the bike with tons of cool features that are easy for your little ones to use, like a coaster brake for simple stopping, wide 12x2.3" tires that increase stability and confidence, and tough components that will stand up to years of abuse. It's the perfect bike for your little ripper to start getting out on the trail with—we just wish that we had one when we were kids. 

    • FRAME

      Specialized A1 Premium Aluminum

    • FORK

      Hi-Ten, 1" threaded steerer

    • FRONT HUB

      Steel, bolt-on, 95mm spacing, loose ball bearings, 16h

    • REAR HUB

      Rear coaster brake, bolt on, 110mm spacing, loose ball bearings, 16T cog, 16h

    • SPOKES

      Stainless, 14g

    • RIMS

      12", alloy single wall, 16h

    • INNER TUBES

      Schrader valve, angled valve for easy access

    • FRONT TYRE

      Rhythm Lite, 12x2.3", 30 TPI, wire bead

    • REAR TYRE

      Rhythm Lite, 12x2.3", 30 TPI, wire bead

    • CRANKSET

      Hi-Ten steel, OPC, 76mm

    • CHAINRINGS

      26T

    • BOTTOM BRACKET

      Steel, loose ball bearings

    • CHAIN

      KMC Z510, single-speed, anti-drop, 1/2"x1/8"

    • FRONT BRAKE

      V-brake, alloy, linear pull, tool-less reach adjust brake lever

    • HANDLEBARS

      BMX, steel, 10-degree backsweep, 4-degree upsweep, 65mm rise, 470mm width, 22.2mm

    • GRIPS

      Specialized, slip-on

    • STEM

      Quill, alloy, 22.2mm clamp

    • SADDLE

      Specialized Kids

    • SEATPOST

      Steel, 25.4mm

    • SEAT BINDER

      Bolt type, alloy, 28.6mm

    • PEDALS

      Nylon platform w/ reflectors

    Specifications subject to change without notice.

  • The premium A1 aluminum frame is lightweight and built to withstand the tough use by kids, while the geometry features an ultra-low standover that makes it easy for your little ones to fit on and grow with the bike.
  • Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids.
  • 12x2.3" Rhythm Lite tires deliver tons of traction, comfort, stability, and fun over all types of terrain. 
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Riprock 12 Coaster

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Geometry

  12
Seat Tube Length, BB Center to Top 170mm
Top Tube Length, Horizontal 350mm
BB Drop 11mm
Chainstay Length 272mm
Seat Tube Angle 71°
Head Tube Angle 70°
Fork Rake 5mm
Trail 53mm
Front Center 331mm
Wheelbase 603mm
Standover Height 365mm
Head Tube Length 80mm
Reach 222mm
Stack 274mm

  • Seat Tube Length, BB Center to Top 170mm
    Top Tube Length, Horizontal 350mm
    BB Drop 11mm
    Chainstay Length 272mm
    Seat Tube Angle 71°
    Head Tube Angle 70°
    Fork Rake 5mm
    Trail 53mm
    Front Center 331mm
    Wheelbase 603mm
    Standover Height 365mm
    Head Tube Length 80mm
    Reach 222mm
    Stack 274mm
    View 12 Geometry