Hotrock 12 Coaster Boys

If it's time to stop pushing and start pedaling, the Hotrock 12 Coaster makes the transition fun, easy, and sets up kids for a lifetime of riding.

If it's time to stop pushing and start pedaling, the Hotrock 12 Coaster makes the transition fun, easy, and sets up kids for a lifetime of riding.

    • FRAME

      Specialized A1 Premium Aluminum, 12" singlespeed coaster, formed tubes, horizontal dropouts

    • FORK

      Hi-Ten steel, 1" threaded steerer, 3/8" axle dropouts

    • HEADSET

      1" threaded, loose ball, w/ lock nut

    • STEM

      Quill, alloy, 22.2 x 125mm

    • HANDLEBARS

      Specialized Kids, steel, 10-degree backsweep, 4-degree upsweep, 55mm rise, 22.2mm

    • GRIPS

      Specialized, Kraton, closed end, 105mm

    • CHAIN

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

    • CRANKSET

      Hi-Ten steel, OPC

    • CHAINRINGS

      26T

    • BOTTOM BRACKET

      Steel, OPC Ball retainer type

    • PEDALS

      Nylon, ball bearings, 1/2"

    • RIMS

      12", alloy single wall, pin joint, 16h

    • FRONT HUB

      Steel, 3/8" axle, 16h

    • REAR HUB

      Steel, coaster brake, nutted axle, 16h

    • SPOKES

      Stainless, 14g

    • FRONT TIRE

      Specialized Rhythm Lite, 30TPI, wire bead, 12x2.0"

    • REAR TIRE

      Specialized Rhythm Lite, 30TPI, wire bead, 12x2.0"

    • INNER TUBES

      Standard, Schrader valve

    • SADDLE

      Specialized Kids, integrated handle, 25.4mm integrated steel seatpost

    • SEAT BINDER

      Alloy, 28.6mm

    Specifications subject to change without notice.

  • The tough, light, and durable Specialized A1 Premium Aluminum frame is built to last.
  • Strong and durable alloy wheels can handle years of wear and tear.
  • Steel coaster brake is a reliable, easy to use brake perfect for safe stops and awesome skids.
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Hotrock 12 Coaster Boys

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Geometry

  12 Boy 12 Girl 16 Boy 16 Girl
Seat Tube Length, Center to Top 169mm 169mm 210mm 210mm
Top Tube Length (Horizontal) 349mm 349mm 395mm 395mm
Top Tube Length (Actual) 331mm 338mm 377mm 387mm
Bottom Bracket Height 173mm 173mm 189mm 189mm
Chainstay Length 272mm 272mm 310mm 310mm
Seat Tube Angle 71° 71° 71° 71°
Head Tube Angle 70° 70° 70° 70°
Rake 5mm 5mm 5mm 5mm
Standover Height 352mm 323mm 426mm 393mm
Head Tube Length 80mm 80mm 80mm 80mm
Handlebar Width 470mm 470mm 520mm 520mm
Stem Length 35mm 35mm 37mm 37mm
Crank Length 3" 3" 3.5" 3.5"
Seatpost Length 190mm 190mm 230mm 230mm
  • Seat Tube Length, Center to Top 169mm
    Top Tube Length (Horizontal) 349mm
    Top Tube Length (Actual) 331mm
    Bottom Bracket Height 173mm
    Chainstay Length 272mm
    Seat Tube Angle 71°
    Head Tube Angle 70°
    Rake 5mm
    Standover Height 352mm
    Head Tube Length 80mm
    Handlebar Width 470mm
    Stem Length 35mm
    Crank Length 3"
    Seatpost Length 190mm
    View 12 Boy Geometry
  • Seat Tube Length, Center to Top 169mm
    Top Tube Length (Horizontal) 349mm
    Top Tube Length (Actual) 338mm
    Bottom Bracket Height 173mm
    Chainstay Length 272mm
    Seat Tube Angle 71°
    Head Tube Angle 70°
    Rake 5mm
    Standover Height 323mm
    Head Tube Length 80mm
    Handlebar Width 470mm
    Stem Length 35mm
    Crank Length 3"
    Seatpost Length 190mm
    View 12 Girl Geometry
  • Seat Tube Length, Center to Top 210mm
    Top Tube Length (Horizontal) 395mm
    Top Tube Length (Actual) 377mm
    Bottom Bracket Height 189mm
    Chainstay Length 310mm
    Seat Tube Angle 71°
    Head Tube Angle 70°
    Rake 5mm
    Standover Height 426mm
    Head Tube Length 80mm
    Handlebar Width 520mm
    Stem Length 37mm
    Crank Length 3.5"
    Seatpost Length 230mm
    View 16 Boy Geometry
  • Seat Tube Length, Center to Top 210mm
    Top Tube Length (Horizontal) 395mm
    Top Tube Length (Actual) 387mm
    Bottom Bracket Height 189mm
    Chainstay Length 310mm
    Seat Tube Angle 71°
    Head Tube Angle 70°
    Rake 5mm
    Standover Height 393mm
    Head Tube Length 80mm
    Handlebar Width 520mm
    Stem Length 37mm
    Crank Length 3.5"
    Seatpost Length 230mm
    View 16 Girl Geometry