Velopedia Bicycle Archive

2008 Scott Voltage YZ 25

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
$499.99
Sizes
XS, S, M, L, XL
Colors
White/Orange
In this record
25 specifications · archived image · original MSRP
Archive ID
24781
Model history 3 other years
Original build6061 aluminum · Mountain Mix · 26" wheels

Historical catalog variants

Archived sizes and colors

5 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

White/Orange
View 5 archived size/color combinations
SizeColor
XSWhite/Orange
SWhite/Orange
MWhite/Orange
LWhite/Orange
XLWhite/Orange

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

Frameset

Frame ConstructionTIG-welded
Frame Material6061 aluminum
ForkSuntour XCM, 100mm travel
Fork MaterialSingle

Drivetrain

Component GroupMountain Mix
ShiftersShimano ST-EF50
Front DerailleurShimano FD-TY10, clamp on 31.8mm
Rear DerailleurShimano Acera
CranksetShimano FC-M191, 24/34/42 teeth
Bottom BracketShimano BB-UN26, 123mm spindle
BB Shell Width68mm English
Rear Cogs8-speed, 11 - 30 teeth
ChainShimano CN-HG40, 1/2 x 3/32"
PedalsWellgo LU-987

Brakes

BrakesShimano BR-M415 mechanical disc

Cockpit & Contact Points

Headset1 1/8" threadless Ritchey LB Plus
HandlebarRiser
StemBMX type
SaddleScott Voltage
SeatpostScott, 26.8mm diameter

Wheels & Tires

HubsFront: Formula CL-51-ACT, Rear: Shimano FH-RM65 disc
RimsFront: Alex ACE-24, Rear: Alex DP-20, 32-hole
SpokesStainless steel, 14ga. (2.0mm)
Front Tire26 x 2.10" Scott Voltage
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 build42/34/24T · 11–30T · 8-speed
Lowest0.80:1 Highest3.82:1 Total range477%
Estimated speed Lowest gear5.6 mph Highest gear26.8 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

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Original specifications
Chain · Original
Shimano CN-HG40, 1/2 x 3/32"
Brake pads · Original
Shimano BR-M415 mechanical disc
Bottom bracket · Original
Shimano BB-UN26, 123mm spindle
More parts (6)
Pedals · Original
Wellgo LU-987
Crankset · Original
Shimano FC-M191, 24/34/42 teeth
Front derailleur · Original
Shimano FD-TY10, clamp on 31.8mm
Rear derailleur · Original
Shimano Acera Search: Shimano Acera 8-speed mechanical rear derailleur
Shifters · Original
Shimano ST-EF50
Seatpost · Original
Scott, 26.8mm diameter

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.

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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 Scott Voltage YZ 25 · Mountain bike, front suspension · Published sizes: XS, S, M, L, XL

Archived: Frame: TIG-welded · Fork: Suntour XCM, 100mm travel · Single

Archived: Fork: Suntour XCM, 100mm travel

Archived: Group: Mountain Mix · Shifters: Shimano ST-EF50 · Front derailleur: Shimano FD-TY10, clamp on 31.8mm · Rear derailleur: Shimano Acera · Crankset: Shimano FC-M191, 24/34/42 teeth · Bottom bracket: Shimano BB-UN26, 123mm spindle · Rear cogs: 8-speed, 11 - 30 teeth · Chain: Shimano CN-HG40, 1/2 x 3/32"

Archived: Brakes: Shimano BR-M415 mechanical disc

Archived: Wheel size: 26" wheels · Rims: Front: Alex ACE-24, Rear: Alex DP-20, 32-hole · Hubs: Front: Formula CL-51-ACT, Rear: Shimano FH-RM65 disc · Front tire: 26 x 2.10" Scott Voltage

Controls and contact points

Archived: Headset: 1 1/8" threadless Ritchey LB Plus · Handlebar: Riser · Stem: BMX type · Seatpost: Scott, 26.8mm diameter · Saddle: Scott Voltage · Pedals: Wellgo LU-987

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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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