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 2013 Scott Contessa Speedster 25 and 2010 Scott Contessa Speedster 25.

  2. Gearing

    2013 Scott Contessa Speedster 25 has a 7% lower climbing ratio than 2010 Scott Contessa Speedster 25.

    A lower ratio gives more mechanical advantage; rear-wheel rollout determines distance per crank turn.

Gearing comparison

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

RPM

RPM = pedal turns per minute.

2013 Scott Contessa Speedster 2550/39/30T · 12–28T
Lowest1.07:1Highest4.17:1Total range389%

Speed unavailable: wheel or tire size is missing or unclear.

2010 Scott Contessa Speedster 2552/42/30T · 12–26T · 9-speed
Lowest1.15:1Highest4.33:1Total range376%
Estimated speed at 90 RPMLowest gear8.1 mphHighest gear30.5 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
2013 Scott Contessa Speedster 25
2010 Scott Contessa Speedster 25
Overview
Model Year
2013
2010
Brand
Scott
Scott
Model
Contessa Speedster 25
Contessa Speedster 25
Bicycle Type
Road Double
Road/sport
Original MSRP
Not documented
$799.99
Colors
White
Gray w/ White & Purple
Sizes
47cm, 49cm, 52cm, 54cm, 56cm
XXS/47, XS/49, S/52, M/54, L/56
Weight
—
20.7 lb
Frameset
Frame Construction
—
TIG-welded
Frame Material
Aluminum
7005 Hydroformed Alloy
Fork
Carbon Fiber
Scott Speedster
Fork Material
—
Carbon/Alloy Steerer
Drivetrain
Component Group
—
Road Mix
Shifters
Shimano Tiagra
Shimano Sora ST-3400 Dual Control STI
Front Derailleur
Shimano Tiagra
Shimano FD-2303, braze-on
Rear Derailleur
Shimano Tiagra
Shimano Tiagra RD-4500
Crankset
Shimano Tiagra 50/39/30t
Truvativ ISO Flow C 3.1, 30/42/52 teeth
Bottom Bracket
Shimano Hollowtech II
TruVativ ISO Flow
Cassette
Shimano Tiagra 12x28t
SRAM PG-950
Rear Cogs
3x10 Speeds
9-speed, 12 - 26 teeth
Chain
Shimano Tiagra
Shimano CN-HG53
Pedals
—
Not included
Brakes
Brakes
Shimano Tiagra
Scott Pro SCBR-520 brakes, Shimano Sora levers
Cockpit & Contact Points
Headset
1 1/8" Threadless
1 1/8" integrated Steel Cup
Handlebar
Syncros RR2.0
Scott Road Drop Contessa Lady Anatomic
Handlebar Extensions
—
Not included
Stem
Syncros FL2.0
Scott Contessa Road OS
Saddle
Syncros WR2.5
Contessa VL 4165
Seatpost
Syncros RR2.0
Scott Alloy, 31.6mm diameter
Wheels & Tires
Hubs
—
Front: Formula RB-31, Rear: Formula RB-32
Rims
—
Alex Race 28, 20-hole/24-hole
Spokes
—
14ga. (2.0mm) straight gauge
Front Tire
Schwalbe Lugano 700x23
700 x 23c Continental Ultra Sport
Wheel Size
—
700c wheels

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

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