Velopedia Bicycle Archive

2010 Breezer Uptown EX

Original specifications: SRAM X3 · 7-speed · mechanical rear derailleur.

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At a glance

Archive #21579

Model year: 2010
Category: City & Commuter
Sizes: 17.5", 19.5", 21.5", 23.5"
Colors: Yellow
In this record: 24 specifications

Model history 2 other years

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Identification clues

2010 archived details

Published colors: Yellow
Frame: Breezer custom butted alloy
Original equipment: Commuter Mix

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

Original buildBreezer custom butted alloy · Commuter Mix

Historical catalog variants

Archived sizes and colors

4 item records

Item-level catalog entries recovered from Velopedia’s original bicycle archive. They document how this model was listed historically; they do not identify the frame size associated with legacy reference geometry or indicate current availability.

Published sizes

17.5"19.5"21.5"23.5"

Published colors

Yellow

View 4 archived size/color combinations

Size	Color
17.5"	Yellow
19.5"	Yellow
21.5"	Yellow
23.5"	Yellow

Historical catalog evidence. Exact specifications and naming may vary by market, production run or manufacturer revision.

Frameset

Frame Construction	TIG-welded
Frame Material	Breezer custom butted alloy
Fork	Breezer
Fork Material	CrMo, unicrown crown

Drivetrain

Component Group	Commuter Mix
Shifters	SRAM 3.0 Comp Twist
Rear Derailleur	SRAM X.3
Crankset	Lasco RCF1538F3 alloy, 38 teeth
Bottom Bracket	VP-BC73C cartridge
Cassette	SRAM PG-730
Rear Cogs	7-speed, 12 - 32 teeth
Chain	KMC Z-51
Pedals	Wellgo B123

Brakes

Brakes	Tektro 855-AL brakes, Tektro TS-384AP levers

Cockpit & Contact Points

Headset	1 1/8" threaded VP-H692W
Handlebar	Breezer Alloy, 570mm x 26mm
Handlebar Extensions	Not included
Stem	Breezer Alloy
Saddle	Active
Seatpost	HL alloy

Wheels & Tires

Hubs	Front: Joytech JY-733, Rear: Joytech 701N nutted axle
Rims	Jalco XC168
Spokes	Stainless, 14ga. (2.0mm) straight gauge
Front Tire	CST C-1393P

Gearing

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

All published sizes38T · 12–32T · 7-speed

Lowest1.19:1 Highest3.17:1 Total range267%

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

Add your rear tire size to calculate speed

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

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

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

Chain · Original

KMC Z-51

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Cassette · Original

SRAM PG-730

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Pedals · Original

Wellgo B123

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More parts (1)Fewer parts

Rear derailleur · Original

SRAM X.3

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Parts and service referenceQuick reference before buying parts

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

Front tire: CST C-1393P
Drivetrain: 7-speed
Bottom bracket / shell: VP-BC73C cartridge

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

2010 Breezer Uptown EX