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 2004 Diamondback Coil EX and 2007 Diamondback Coil EX.

  2. Gearing

    2004 Diamondback Coil EX has a 14% lower climbing ratio than 2007 Diamondback Coil EX.

    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.

2004 Diamondback Coil EX42/32/22T · 14–34T · 8-speed
Lowest0.65:1Highest3.00:1Total range464%
Estimated speed at 90 RPMLowest gear4.6 mphHighest gear21.5 mph

Uses front tire 26×2.4; rear size isn’t listed.

2007 Diamondback Coil EX42/34/24T · 11–32T · 8-speed
Lowest0.75:1Highest3.82:1Total range509%
Estimated speed at 90 RPMLowest gear5.3 mphHighest gear26.8 mph

Uses front tire 26×2.1; 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
2004 Diamondback Coil EX
2007 Diamondback Coil EX
Overview
Model Year
2004
2007
Brand
Diamondback
Diamondback
Model
Coil EX
Coil EX
Bicycle Type
Mountain bike, front & rear suspension
Mountain bike, front & rear suspension
Original MSRP
$575.00
$495.00
Colors
Gloss Balck/Blue, Satin Black/Batt.Blue
Nickel
Sizes
16", 18", 20"
16", 18", 20"
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum
6061 T6 aluminum
Fork
SR Suntour XCP-75, 100mm
SR Suntour XCT, 75mm
Fork Material
Aluminum, single crown
Steel/aluminum, single crown
Rear Shock
DNM DV-22
Tuff Shock Coil, 4.5"
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Acera EF29
Shimano EF-50 Rapid Fire 8spd
Front Derailleur
Shimano FD-MC21, top-pull/clamp-on 31.8mm
ShimanoTourney
Rear Derailleur
Shimano Deore
Shimano Alivio
Crankset
Shimano MC08, 22/32/42 teeth
SR Suntour XCC-170NP, 24/34/42 teeth
Bottom Bracket
Sealed cartridge
Cartridge Type
Rear Cogs
8-speed, 14 - 34 teeth
8-speed, 11 - 32 teeth
Chain
Shimano CN-IG31, 1/2 x 3/32"
Shimano IG-30
Pedals
Atb
Platform
Brakes
Brakes
ProMax DSK-700 Mechanical Disc brakes, Shimano Acera levers
Promax 320 Disc front/Promax 320 Disc rear brakes, Shimano EF-50 levers
Cockpit & Contact Points
Headset
1 1/8" integrated OS Zero Stack
1 1/8" threadless
Handlebar
ATB Aluminum 30mm rise
Steel riser
Handlebar Extensions
Not included
Not included
Stem
Aluminum 4 bolt
Alloy 4-bolt Ahead
Saddle
WTB Speed V
WTB Pure V Sport
Seatpost
Aluminum micro-adjust, 27.2mm diameter
Alloy Micro Adjust, 27.2mm diameter
Wheels & Tires
Hubs
Promax Disc 700
Front: Alloy Disc, Rear: Alloy Disc Cassette
Rims
Alex TD-17, 32-hole
Weinmann XTB-24, 32-hole
Spokes
Stainless steel, 14ga. (2.0mm)
Stainless steel, 14ga. (2.0mm) straight gauge
Front Tire
26 x 2.40" WTB MotoRaptor
26 x 2.10" Kenda Klaw XT
Wheel Size
26" wheels
26" wheels

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

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