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 2009 Scott Contessa JR 20 and 2007 Scott Contessa JR 20.

  2. Gearing

    2007 Scott Contessa JR 20 has a 6% lower climbing ratio than 2009 Scott Contessa JR 20.

    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.

2009 Scott Contessa JR 2042/34T · 14–28T · 6-speed
Lowest1.21:1Highest3.00:1Total range247%
Estimated speed at 90 RPMLowest gear6.3 mphHighest gear15.7 mph

Uses front tire 20×1.75; rear size isn’t listed.

2007 Scott Contessa JR 2042/32T · 14–28T · 6-speed
Lowest1.14:1Highest3.00:1Total range263%
Estimated speed at 90 RPMLowest gear6.1 mphHighest gear16.0 mph

Uses front tire 20×1.95; 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
2009 Scott Contessa JR 20
2007 Scott Contessa JR 20
Overview
Model Year
2009
2007
Brand
Scott
Scott
Model
Contessa JR 20
Contessa JR 20
Bicycle Type
Juvenile mountain bike, suspension
Juvenile mountain bike, suspension
Original MSRP
Not documented
$249.00
Colors
Lime/White/Pink
—
Sizes
—
—
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
6061 Alloy
6061 Alloy
Fork
RST K20, 40mm travel
RST 200K, 40mm travel
Fork Material
—
Aluminum/steel, single crown
Drivetrain
Component Group
Mountain Mix
Juvenile Mix
Shifters
Shimano Revo
Shimano SL-RS31-6
Front Derailleur
Shimano FD-TY22
Shimano FD-TY22GS
Rear Derailleur
Shimano Tourney TY-18 GS
Shimano TY-18GS
Crankset
Lasco Double, 34/42 teeth
Lasco Double, 32/42 teeth
Bottom Bracket
TH M1
TH M1
Cassette
Shimano MF-ZH
—
Rear Cogs
6-speed, 14 - 28 teeth
6-speed, 14 - 28 teeth
Pedals
VP-580
VP 580 BMX-type
Brakes
Brakes
Lee Chi 209 P brakes, Tektro 324A-TS levers
Lee Chi 209 P brakes, Tektro 324A-TS levers
Cockpit & Contact Points
Headset
1 1/8" threadless VP-A71
1 1/8" VP A73
Handlebar
Junior Uprise
Junior Uprise
Handlebar Extensions
Not included
Not included
Stem
HL-TDS-C41-8
HL TDS-C41-8
Saddle
SCT-6 Junior
SCT-6 Junior Version
Seatpost
Scott SP-214, 26.8mm diameter
Lee Chi SP-214
Wheels & Tires
Hubs
Formula FM-11
FM-11 Bolt On
Rims
Jalco VP-20, 36-hole
Jalco VP-20, 36-hole
Spokes
Ucp
Ucp
Front Tire
20 x 1.75" K-831
20 x 1.95" CST C-1159
Wheel Size
20" wheels
20" wheels

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

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