Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2005 GT Timberline and 2007 GT Timberline.
- Data limitation
Only 2005 GT Timberline has enough published drivetrain data for gearing calculations.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.82:1Highest3.43:1Total range416%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×2.1; rear size isn’t listed.
Gearing unavailable for this size.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
2005 GT Timberline
2007 GT Timberline
Overview
Model Year
2005
2007
Brand
GT
GT
Model
Timberline
Timberline
Bicycle Type
Comfort/commuter
Comfort/commuter
Original MSRP
$319.99
$359.99
Colors
Silver, 2 Tone Sand, 2 Tone Silver
—
Sizes
XS, S, M, L, XL
S, M, L, XL, XXL, women's small, women's medium
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7000 aluminum
Aluminum
Fork
SR Suntour NEX-4000
SR NEX -4000
Fork Material
Aluminum, single crown
Steel/aluminum, single crown
Drivetrain
Component Group
Mountain Mix
Comfort Mix
Shifters
Shimano ST-C050
Shimano C-50 twist shifter
Front Derailleur
Shimano FD-C050
Shimano C-050
Rear Derailleur
Shimano RD-C050
Shimano TX-70
Crankset
Suntour NEX-200, 28/38/48 teeth
Suntour NEX 200
Bottom Bracket
Semi-cartridge
Sealed mech w/ boron axle
Rear Cogs
7-speed, 14 - 34 teeth
7-speed, 14 - 34 teeth
Chain
Shimano CN-UG50, 1/2 x 3/32"
Uniglide
Pedals
Platform
Nylon Comfort
Brakes
Brakes
Aluminum linear-pull brakes, aluminum front/aluminum linear-pull rear levers
Tektro Direct pull brakes, Alloy levers
Cockpit & Contact Points
Headset
1 1/8" threadless Tien Hsin Zero Stack
1 1/8" threadless sealed mech
Handlebar
Riser
Anatomic
Handlebar Extensions
—
Not included
Stem
Aluminum adjustable
Adjustable quill-style
Saddle
GT Comfort
GT Comfort
Seatpost
Aluminum micro-adjust
Aluminum Suspension
Wheels & Tires
Hubs
Aluminum, Q/R
Alloy QR
Rims
Aluminum
Alloy ATB
Spokes
Stainless steel, 14ga. (2.0mm) straight gauge
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
Brass nipples
Brass CP
Front Tire
26 x 2.10" GT Guardian
26 x 1.90" Tioga City Slicker
Wheel Size
26" wheels
26" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.