Velopedia Bicycle Archive

2008 Specialized Hotrock Coaster

Original specifications: Juvenile Mix drivetrain · 20" wheels.

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At a glance

Model year
2008
Category
Kids
Original MSRP
$180.00
Sizes
20" wheel
Colors
Blue/black, Green/Black, White, Purple
In this record
22 specifications · archived image · original MSRP
Archive ID
24052
Original buildA1 premium aluminum · Juvenile Mix · 20" wheels

Historical catalog variants

Archived sizes and colors

4 item records

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

20" wheel

Published colors

Blue/BlackGreen/BlackWhitePurple
View 4 archived size/color combinations
SizeColor
20" wheelBlue/Black
20" wheelGreen/Black
20" wheelWhite
20" wheelPurple

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame ConstructionTIG-welded
Frame MaterialA1 premium aluminum
ForkSpecialized
Fork MaterialHi-tensile steel, unicrown crown

Drivetrain

Component GroupJuvenile Mix
CranksetHeat-treated Hi-Tensile steel, 36 teeth
Bottom BracketLoose ball OPC
Rear Cogs1-speed, 18 teeth
ChainKMC Z-410, 1/2 x 1/8"
PedalsComposite platform

Brakes

BrakesCoaster w/ Tektro "V" rear brakes, Tektro Jr. rear levers

Cockpit & Contact Points

Headset1 1/8" threadless
HandlebarHi-tensile steel
Handlebar ExtensionsNot included
StemAlloy
SaddleSpecialized Kids
SeatpostSteel, 25.4mm diameter

Wheels & Tires

HubsFront: Joy Tech steel, Rear: Joy Tech coaster
RimsAlloy, 36-hole
SpokesUCP, 14ga. (2.0mm) straight gauge
Front Tire20 x 2.125" Specialized Roller wire
Wheel Size20" wheels
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Parts & serviceability

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Original specifications
Front tire · Original
20 x 2.125" Specialized Roller wire
Saddle · Original
Specialized Kids
Seatpost · Original
Steel, 25.4mm diameter
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Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
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Archived: 2008 Specialized Hotrock Coaster · Juvenile · Published sizes: 20" wheel

Archived: Frame: TIG-welded · Fork: Specialized · Hi-tensile steel, unicrown crown

Archived: Group: Juvenile Mix · Crankset: Heat-treated Hi-Tensile steel, 36 teeth · Bottom bracket: Loose ball OPC · Rear cogs: 1-speed, 18 teeth · Chain: KMC Z-410, 1/2 x 1/8"

Archived: Brakes: Coaster w/ Tektro "V" rear brakes, Tektro Jr. rear levers

Archived: Wheel size: 20" wheels · Rims: Alloy, 36-hole · Hubs: Front: Joy Tech steel, Rear: Joy Tech coaster · Front tire: 20 x 2.125" Specialized Roller wire

Controls and contact points

Archived: Headset: 1 1/8" threadless · Handlebar: Hi-tensile steel · Stem: Alloy · Seatpost: Steel, 25.4mm diameter · Saddle: Specialized Kids · Pedals: Composite platform

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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