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. Identity & price

    These bicycles are categorized differently: 2011 SE Racing Bronco Mini is BMX; 2009 SE Racing Bronco Mini is Kids.

  2. Data limitation

    No geometry is recorded for 2011 SE Racing Bronco Mini and 2009 SE Racing Bronco Mini.

  3. Gearing

    2011 SE Racing Bronco Mini has a 10% lower climbing ratio than 2009 SE Racing Bronco Mini.

    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.

2011 SE Racing Bronco Mini36T · 16T · 1-speed
Ratio2.25:1
Estimated speed at 90 RPMGear11.7 mph

Rear tire: 20×1.75.

2009 SE Racing Bronco Mini40T · 16T · 1-speed
Ratio2.50:1
Estimated speed at 90 RPMGear13.0 mph

Rear tire: 20×1.75.

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
2011 SE Racing Bronco Mini
2009 SE Racing Bronco Mini
Overview
Model Year
2011
2009
Brand
SE Racing
SE Racing
Model
Bronco Mini
Bronco Mini
Bicycle Type
BMX
Juvenile
Original MSRP
$239.00
Not documented
Colors
White, Black, Dark Silver
Popsicle Orange, Apple Green, Stoplight Red, Power Pink
Sizes
18"
—
Weight
26.5 lb
—
Frameset
Frame Construction
—
TIG-welded
Frame Material
—
High-Tensile steel
Fork
SE Racing
—
Fork Material
—
Unicrown
Drivetrain
Component Group
BMX Mix
BMX
Crankset
1-pc steel, 36 teeth
1-pc steel, 40 teeth
Bottom Bracket
American
American
Cassette
—
Freewheel
Rear Cogs
1-speed, 16 teeth
1-speed, 16 teeth
Chain
KMC Z410
KMC Z410
Pedals
Composite Resin
FPD composite resin
Brakes
Brakes
—
C-Star V-brake rear brakes, Promax alloy 2-finger rear levers
Cockpit & Contact Points
Headset
1 1/8" Tange Threadless
1 1/8" Tange
Handlebar
SE Wing Bar, 20.5" X 6"
SE Wing Bar
Handlebar Extensions
—
Not included
Stem
SE Racing Front Load
SE Racing Top load alloy
Saddle
SE Racing
SE Racing
Seatpost
SE Racing straight, 25.4mm diameter
SE Racing straight, 25.4mm diameter
Wheels & Tires
Hubs
SE Racing
SE Racing
Rims
Alloy, 36-hole
Weinmann ZAC30, 36-hole
Spokes
—
14ga. (2.0mm)
Front Tire
20 x 1.95" Innova
20 x 2.125"
Rear Tire
20 x 1.75" Innova
20 x 1.75"
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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