Velopedia Bicycle Archive

Compare Bicycles

Compare published geometry, gearing and specifications for up to three bicycles.

Frame: 7005 aluminum
Groupset: Cruiser Mix

Cruiser · Non-electric

2007 Electra Coaster 7

Selected size: Not published
Original MSRP: $330.00

View record

Cruiser · Non-electric

2009 Electra Coaster 7

Selected size: Not published
Original MSRP: Not documented

View record

1 of 2 bicycles

At a glance

Key differences

Supported differences are shown below. Data limitations are labeled separately.

Data limitation
No geometry is recorded for 2007 Electra Coaster 7 and 2009 Electra Coaster 7.
Gearing
2009 Electra Coaster 7 has a 18% lower climbing ratio than 2007 Electra Coaster 7.
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.

Pedal cadence

RPM

Speed units

RPM = pedal turns per minute.

2007 Electra Coaster 744T · 14–28T · 7-speed

Lowest1.57:1Highest3.14:1Total range200%

Estimated speed at 90 RPMLowest gear11.1 mphHighest gear22.1 mph

Uses front tire 26×2.125; rear size isn’t listed.

2009 Electra Coaster 744T · 14–34T · 7-speed

Lowest1.29:1Highest3.14:1Total range243%

Estimated speed at 90 RPMLowest gear9.1 mphHighest gear22.1 mph

Uses front tire 26×2.125; 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.

Specification

2007 Electra Coaster 7

2009 Electra Coaster 7

Overview

Model Year

2007

2009

Brand

Electra

Model

Coaster 7

Bicycle Type

Cruiser

Original MSRP

$330.00

Not documented

Colors

Silver/Charcoal, Silver/Green w/ fenders (+ $20)

Black Satin, Silver Metallic

Sizes

One size fits all, womens one size fits all

One size fits all

Weight

—

Frameset

Frame Construction

TIG-welded

Frame Material

7005 aluminum

6061-T6 aluminum

Fork

Electra

—

Fork Material

Steel, unicrown crown

Drivetrain

Component Group

Cruiser Mix

Shifters

Shimano Revo

Shimano Revo twist

Rear Derailleur

Shimano Tourney TX-30

Shimano TX31

Crankset

3-piece alloy, 44 teeth

Electra Custom Alloy, 44 teeth

Bottom Bracket

Sealed cartridge

Semi-cartridge

Cassette

—

Shimano

Rear Cogs

7-speed, 14 - 28 teeth

7-speed, 14 - 34 teeth

Chain

KMC Z51

Pedals

Resin

Resin Barefoot

Brakes

V Type brakes, Alloy levers

Linear Pull brakes, Shimano levers

Cockpit & Contact Points

Headset

1" threaded steel, threaded

1" Threaded

Handlebar

Electra Bullhorn

Handlebar Extensions

—

Not included

Stem

Alloy

Saddle

Electra Custom Elastomer Spring

Seatpost

Alloy Pillar

Wheels & Tires

Hubs

Alloy

Front: Alloy, Rear: Alloy Cassette

Rims

Alloy, 36-hole

Spokes

Stainless steel, 14ga. (2.0mm)

Stainless, 14ga. (2.0mm)

Front Tire

26 x 2.125" Electra Retrorunner

Wheel Size

26" wheels

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

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