Velopedia Bicycle Archive

2006 Giant Boulder SE x05

Original specifications: Shimano Acera · 7-speed · mechanical rear derailleur · 26" wheels.

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At a glance

Model year
2006
Category
Mountain
Original MSRP
$280.00
Sizes
12.5", 14", 17", 19", 21", 23", womens 14", womens 17", womens 19"
Colors
Crystal Blue/Silver, Bright Silver, Racing Blue/Silver
In this record
27 specifications · archived image · original MSRP
Archive ID
94330
Original buildALUXX aluminum · Mountain Mix · 26" wheels

Historical catalog variants

Archived sizes and colors

27 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

12.5"14"17"19"21"23"womens 14"womens 17"womens 19"

Published colors

Crystal Blue/SilverBright SilverRacing Blue/Silver
View 27 archived size/color combinations
SizeColor
12.5"Crystal Blue/Silver
14"Crystal Blue/Silver
17"Crystal Blue/Silver
19"Crystal Blue/Silver
21"Crystal Blue/Silver
23"Crystal Blue/Silver
womens 14"Crystal Blue/Silver
womens 17"Crystal Blue/Silver
womens 19"Crystal Blue/Silver
12.5"Bright Silver
14"Bright Silver
17"Bright Silver
19"Bright Silver
21"Bright Silver
23"Bright Silver
womens 14"Bright Silver
womens 17"Bright Silver
womens 19"Bright Silver
12.5"Racing Blue/Silver
14"Racing Blue/Silver
17"Racing Blue/Silver
19"Racing Blue/Silver
21"Racing Blue/Silver
23"Racing Blue/Silver
womens 14"Racing Blue/Silver
womens 17"Racing Blue/Silver
womens 19"Racing Blue/Silver

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

Frameset

Frame ConstructionTIG-welded
Frame MaterialALUXX aluminum
ForkSR Suntour XC60, 75mm travel
Fork MaterialAluminum/magnesium, single crown

Drivetrain

Component GroupMountain Mix
ShiftersShimano ST-EF29 EZ Fire STI
Front DerailleurShimano FD-C102
Rear DerailleurShimano Acera
CranksetSuntour GI100, 28/38/48 teeth
Bottom BracketTH BB-7400, 121.5mm spindle
BB Shell Width68mm English
Rear Cogs7-speed, 14 - 34 teeth
ChainKMC Z51, 1/2 x 3/32"
PedalsNylon platform

Brakes

BrakesAluminum linear-pull brakes, Shimano ST-EF29 EZ Fire STI levers

Cockpit & Contact Points

Headset1 1/8" threadless Aheadset
HandlebarAluminum
Handlebar ExtensionsNot included
StemAluminum
SaddleGiant Groove Plus
SeatpostAluminum micro-adjust, 30.9mm diameter

Wheels & Tires

HubsAluminum
RimsAluminum, 36-hole
SpokesStainless steel, 14ga. (2.0mm) straight gauge
Spoke NipplesBrass nipples
Front Tire26 x 2.10" all-terrain
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.

RPM
Theoretical speed from published tire dimensions; see the evidence note below.
Published build48/38/28T · 14–34T · 7-speed
Lowest0.82:1 Highest3.43:1 Total range416%
Estimated speed Lowest gear5.8 mph Highest gear24.1 mph

Estimate uses the published front tire 26×2.1 as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.

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Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
KMC Z51, 1/2 x 3/32"
Front derailleur · Original
Shimano FD-C102

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

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: 2006 Giant Boulder SE x05 · Mountain bike, front suspension · Published sizes: 12.5", 14", 17", 19", 21", 23", womens 14", womens 17", womens 19"

Archived: Frame: TIG-welded · Fork: SR Suntour XC60, 75mm travel · Aluminum/magnesium, single crown

Archived: Fork: SR Suntour XC60, 75mm travel

Archived: Group: Mountain Mix · Shifters: Shimano ST-EF29 EZ Fire STI · Front derailleur: Shimano FD-C102 · Rear derailleur: Shimano Acera · Crankset: Suntour GI100, 28/38/48 teeth · Bottom bracket: TH BB-7400, 121.5mm spindle · Rear cogs: 7-speed, 14 - 34 teeth · Chain: KMC Z51, 1/2 x 3/32"

Archived: Brakes: Aluminum linear-pull brakes, Shimano ST-EF29 EZ Fire STI levers

Archived: Wheel size: 26" wheels · Rims: Aluminum, 36-hole · Hubs: Aluminum · Front tire: 26 x 2.10" all-terrain

Controls and contact points

Archived: Headset: 1 1/8" threadless Aheadset · Handlebar: Aluminum · Stem: Aluminum · Seatpost: Aluminum micro-adjust, 30.9mm diameter · Saddle: Giant Groove Plus · Pedals: Nylon 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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