Velopedia Bicycle Archive

2007 Scott Contessa JR 12

Original specifications: Juvenile Mix drivetrain · 12" wheels.

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At a glance

Archive #95424

Model year: 2007
Category: Kids
Original MSRP: $149.00
In this record: 21 specifications · archived image · original MSRP

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Identification clues

2007 archived details

Frame: 6061 Alloy
Original equipment: Juvenile Mix

Clues, not proof of model year. Colors vary and components may have been replaced.

Original build6061 Alloy · Juvenile Mix · 12" wheels

Frameset

Frame Construction	TIG-welded
Frame Material	6061 Alloy
Fork	BMX
Fork Material	Aluminum, unicrown crown

Drivetrain

Component Group	Juvenile Mix
Crankset	Chuan Wei
Bottom Bracket	Ru Chi
Rear Cogs	1-speed
Pedals	VP 260 BMX-Type

Brakes

Brakes	Tektro 984A brakes, Tektro 317-ACL levers

Cockpit & Contact Points

Headset	VP 755
Handlebar	Junior Uprise
Handlebar Extensions	Not included
Stem	HL/Y1
Saddle	SCT-9 Junior Version
Seatpost	HL SP-102

Wheels & Tires

Hubs	Front: KT-103F, Rear: KT-305R
Rims	BMX Type, 16-hole
Spokes	14ga. (2.0mm)
Front Tire	12 x 2.25" CST C-714
Wheel Size	12" wheels

Gearing

Original gearing is incomplete. Enter your setup to calculate ratios and cadence speeds.

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Gears Drivetrain

Front teeth Smallest rear teeth Largest rear teeth

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Rear tire marking

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

Rim diameter (BSD, mm) Tire width (mm)

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Cadence (RPM) Speed units

Gear, dimension and cadence changes update results automatically.

Gearing comparison
Measure	Original	Your setup
Lowest ratio	—	—
Highest ratio	—	—
Total range	—	—
Lowest-gear speed	—	—
Highest-gear speed	—	—

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

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Original specifications

Front tire · Original

12 x 2.25" CST C-714 Replacement search: 12x2.25 bicycle tire Before ordering: Check rim type and tire clearance.

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Parts and service referenceQuick reference before buying parts

Archived specifications for reference. Check the fitted parts before ordering.

Front tire: 12 x 2.25" CST C-714
Drivetrain: 1-speed
Bottom bracket / shell: Ru Chi

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.