Hotrock 20 Coaster Boys

Hotrock 20 Coaster Boys

Hotrock 20 Coaster Boys

    • FRAME

      Specialized A1 Premium Aluminum, 20" singlespeed coaster, formed top tube/down tube, forged horizontal dropouts

    • FORK

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

    • HEADSET

      Ahead, 1/8" sealed cartridge bearings

    • STEM

      Ahead, alloy, 1-1/8"

    • HANDLEBARS

      BMX, steel, 10-degree backsweep, 4-degree upsweep, 130mm rise, 22.2mm

    • GRIPS

      Specialized, Kraton, closed end, 105mm

    • BRAKE

      V-brake, alloy, linear pull

    • CHAIN

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

    • CRANKSET

      Hi-Ten steel, OPC

    • CHAINRINGS

      36T

    • BOTTOM BRACKET

      Steel, OPC Ball retainer type

    • PEDALS

      Nylon, BMX style, loose ball bearings, 9/16", w/ reflectors

    • RIMS

      20", alloy single wall, pin joint, 36h

    • FRONT HUB

      Steel, 3/8" axle, 36h

    • REAR HUB

      Steel, coaster brake, nutted axle, 36h

    • SPOKES

      Stainless, 14g

    • FRONT TIRE

      Specialized Rhythm Lite, 2.0"

    • REAR TIRE

      Specialized Rhythm Lite, 2.0"

    • INNER TUBES

      Standard, Schrader valve

    • SADDLE

      Specialized Kids, 7mm rails, w/ clamp

    • SEATPOST

      Steel, 25.4mm

    • SEAT BINDER

      Alloy, 31.8mm

    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.
  • The alloy V-Brakes provide reliable and excellent stopping power on the trail or on the road.
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Hotrock 20 Coaster Boys

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Geometry

  Boys Girls
Seat Tube Length, Center to Top 241mm 241mm
Top Tube Length (Horizontal) 456mm 456mm
Top Tube Length (Actual) 438mm 446mm
Bottom Bracket Height 227mm 227mm
Chainstay Length 386mm 386mm
Seat Tube Angle 72° 72°
Head Tube Angle 70° 70°
Rake 23.5mm 23.5mm
Standover Height 505mm 476mm
Head Tube Length 80mm 80mm
Handlebar Width 560mm 560mm
Stem Length 37mm 37mm
Crank Length 114mm 114mm
Seatpost Length 220mm 220mm
  • Seat Tube Length, Center to Top 241mm
    Top Tube Length (Horizontal) 456mm
    Top Tube Length (Actual) 438mm
    Bottom Bracket Height 227mm
    Chainstay Length 386mm
    Seat Tube Angle 72°
    Head Tube Angle 70°
    Rake 23.5mm
    Standover Height 505mm
    Head Tube Length 80mm
    Handlebar Width 560mm
    Stem Length 37mm
    Crank Length 114mm
    Seatpost Length 220mm
    View Boys Geometry
  • Seat Tube Length, Center to Top 241mm
    Top Tube Length (Horizontal) 456mm
    Top Tube Length (Actual) 446mm
    Bottom Bracket Height 227mm
    Chainstay Length 386mm
    Seat Tube Angle 72°
    Head Tube Angle 70°
    Rake 23.5mm
    Standover Height 476mm
    Head Tube Length 80mm
    Handlebar Width 560mm
    Stem Length 37mm
    Crank Length 114mm
    Seatpost Length 220mm
    View Girls Geometry