Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

  1. Data limitation

    No geometry is recorded for 2007 Giant TCR and 2008 Giant TCR.

Gearing comparison

Lower gears help on climbs. Higher gears suit higher speeds.

RPM

RPM = pedal turns per minute.

2007 Giant TCR50/34T · 12–26T · 9-speed
Lowest1.31:1Highest4.17:1Total range319%
Estimated speed at 90 RPMLowest gear9.2 mphHighest gear29.3 mph

Uses front tire 700C×23; rear size isn’t listed.

2008 Giant TCR50/34T · 11–26T · 9-speed
Lowest1.31:1Highest4.55:1Total range348%
Estimated speed at 90 RPMLowest gear9.2 mphHighest gear32.0 mph

Uses front tire 700C×23; rear size isn’t listed.

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.

Try other gearing

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.
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Specification
2007 Giant TCR
2008 Giant TCR
Overview
Model Year
2007
2008
Brand
Giant
Giant
Model
TCR
TCR
Bicycle Type
Road race & triathlon
Road race & triathlon
Original MSRP
$1,000.00
$1,000.00
Colors
Smoke/ Brushed
Red/Brushed
Sizes
XS, S, M, M/L, L, XL
XS, S, M, M/L, L, XL
Weight
—
—
Frameset
Frame Construction
TIG-welded/bonded
TIG-welded
Frame Material
ALUXX SL aluminum
ALUXX SL aluminum
Fork
Giant formulaOne
FormulaOne
Fork Material
Carbon fiber/aluminum steerer, aero crown
Carbon/alloy steerer, aero crown
Drivetrain
Component Group
Shimano Tiagra
Shimano Tiagra
Shifters
Shimano Tiagra STI
Shimano Tiagra
Front Derailleur
Shimano Tiagra
Shimano Tiagra
Rear Derailleur
Shimano Tiagra
Shimano Tiagra
Crankset
Shimano FC-R4550-S, 34/50 teeth
Shimano R4550-S, 34/50 teeth
Bottom Bracket
Shimano external bearing
Shimano Hollowtech II
Rear Cogs
9-speed, 12 - 26 teeth
9-speed, 11 - 26 teeth
Chain
Shimano CN-HG53, 1/2 x 3/32"
Shimano HG-93
Pedals
Not included
Crank Brothers Candy C
Brakes
Brakes
Tektro 423AG brakes, Shimano Tiagra STI levers
Tektro 423AG dual pivot brakes, Shimano Tiagra levers
Cockpit & Contact Points
Headset
1 1/8" threadless
1 1/8" integrated
Handlebar
6061 Alloy
6061 AL Anatomic Bend
Handlebar Extensions
—
Not included
Stem
3D Forged Alloy
3D Forged Aluminum 31.8
Saddle
Giant Racing
Giant Racing
Seatpost
Giant formulaOne
FormulaOne composite
Wheels & Tires
Hubs
Xero XSR-3
Xero XSR-3
Rims
Xero XSR-3
Xero XSR-3
Spokes
Xero, Wheelset
Xero
Front Tire
700 x 23c Michelin Dynamic
700 x 23c Michelin Orium
Wheel Size
700c wheels
700c wheels

Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.

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