Velopedia Bicycle Archive

2008 GT Outpost Disc

Original specifications: Shimano Acera · 8-speed · mechanical rear derailleur · 26" wheels.

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At a glance

Model year
2008
Category
Mountain
Original MSRP
$379.99
Sizes
XS, S, M, L, XL
Colors
Blue/Silver, Black/Silver
In this record
24 specifications · archived image · original MSRP
Archive ID
13629
Model history 2 other years
Original buildGT 6061 Aluminum · Mountain Mix · 26" wheels

Historical catalog variants

Archived sizes and colors

10 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

XSSMLXL

Published colors

Blue/SilverBlack/Silver
View 10 archived size/color combinations
SizeColor
XSBlue/Silver
SBlue/Silver
MBlue/Silver
LBlue/Silver
XLBlue/Silver
XSBlack/Silver
SBlack/Silver
MBlack/Silver
LBlack/Silver
XLBlack/Silver

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

Frameset

Frame ConstructionTIG-welded
Frame MaterialGT 6061 Aluminum
ForkSRM 2025, 75mm travel
Fork MaterialSingle

Drivetrain

Component GroupMountain Mix
ShiftersShimano EF-50
Front DerailleurShimano TY10
Rear DerailleurShimano Acera
CranksetSuntour XCC-202, 22/32/42 teeth
Rear Cogs8-speed, 11 - 32 teeth
PedalsNylon platform

Brakes

BrakesPromax Mechanical w/ 6" Rotor

Cockpit & Contact Points

Headset1 1/8" Aheadset
HandlebarATB Alloy riser
Handlebar ExtensionsNot included
StemGT ATB
SaddleGT custom anatomic ATB
SeatpostMicro-adjust

Wheels & Tires

HubsAlloy Disc QR
RimsAlloy
SpokesStainless steel, 14ga. (2.0mm)
Spoke NipplesBrass CP
Front Tire26 x 2.10" ATB Dual purpose
Wheel Size26" wheels

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

Published build42/32/22T · 11–32T · 8-speed
Lowest0.69:1 Highest3.82:1 Total range555%
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Parts & serviceability

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Original specifications
Rear derailleur · Original
Shimano Acera Search: Shimano Acera 8-speed mechanical rear derailleur

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. Velopedia may earn from qualifying eBay purchases.

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Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2008 GT Outpost Disc · Mountain bike, front suspension · Published sizes: XS, S, M, L, XL

Archived: Frame: TIG-welded · Fork: SRM 2025, 75mm travel · Single

Archived: Fork: SRM 2025, 75mm travel

Archived: Group: Mountain Mix · Shifters: Shimano EF-50 · Front derailleur: Shimano TY10 · Rear derailleur: Shimano Acera · Crankset: Suntour XCC-202, 22/32/42 teeth · Rear cogs: 8-speed, 11 - 32 teeth

Archived: Brakes: Promax Mechanical w/ 6" Rotor

Archived: Wheel size: 26" wheels · Rims: Alloy · Hubs: Alloy Disc QR · Front tire: 26 x 2.10" ATB Dual purpose

Controls and contact points

Archived: Headset: 1 1/8" Aheadset · Handlebar: ATB Alloy riser · Stem: GT ATB · Seatpost: Micro-adjust · Saddle: GT custom anatomic ATB · Pedals: Nylon platform

Before and during the test ride

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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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