Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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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 2000 Diamondback Topanga.
- Gearing
2000 Diamondback Topanga has a 8% lower climbing ratio than 2002 Diamondback Topanga.
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.
Lowest0.73:1Highest3.82:1Total range521%
Speed unavailable: wheel or tire size is missing or unclear.
Lowest0.80:1Highest3.82:1Total range477%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 26×1.95.
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.
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
2000 Diamondback Topanga
2002 Diamondback Topanga
Overview
Model Year
2000
2002
Brand
Diamondback
Diamondback
Model
Topanga
Topanga
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Original MSRP
$475.00
$439.99
Colors
Big Red w/ Black fork, Stainless w/ Black fork
Black/Silver, Blue/Silver
Sizes
XS, S, M, L, XL
XS, S, M, L
Weight
—
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum
7005 aluminum w/replaceable derailleur hanger
Fork
Rock Shox Jett, 2.5" travel
Rock Shox Judy TT, 3.0" travel
Fork Material
Aluminum/magnesium, triple-clamp crown
Aluminum, single triple-clamp crown
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Acera EZ Fire Plus
Shimano Acera EZ Fire Plus
Front Derailleur
Shimano Acera top-swing
Shimano Alivio, top-pull/clamp-on 31.8mm
Rear Derailleur
Shimano Alivio
Shimano Alivio
Crankset
Shimano Acera, 22/34/42 teeth
Shimano Acera FC-MC19-L, 24/32/42 teeth
Bottom Bracket
Cartridge
Sealed cartridge, 111mm spindle
BB Shell Width
—
68mm English
Rear Cogs
9-speed, 11 - 30 teeth
8-speed, 11 - 30 teeth
Chain
KMC, 1/2 x 3/32"
Shimano CN-IG31, 1/2 x 3/32"
Pedals
Wellgo resin
Resin MTB
Brakes
Brakes
Tektro linear-pull brakes, Shimano Acera levers
Aluminum linear-pull brakes, Shimano Acera levers
Cockpit & Contact Points
Headset
WTB Momentum Comp ST
1 1/8" integrated Tien Hsin No.10 ZST
Handlebar
Alloy
Aluminum, 1" rise
Handlebar Extensions
Not included
Not included
Stem
Alloy
Aluminum Ahead type
Saddle
DiamondBack SportSoft
Avenir ATB SS
Seatpost
Alloy
Aluminum micro-adjust, 27.2mm diameter
Wheels & Tires
Hubs
Alloy O/S
Aluminum
Rims
Vuelta Vision
Weinmann Zac 19, 32-hole
Spokes
Stainless steel, 2.0mm
Sha-Dar stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
—
Brass nipples
Front Tire
Kenda Klaw XT
26 x 2.10" all terrain
Rear Tire
—
26 x 1.95" all terrain
Wheel Size
—
26" wheels
Geometry · choose a size for each bicycle
Geometry size
—
Head-tube angle
—
71°
Seat-tube angle
—
73°
Chainstay / rear center
—
425.4 mm
Wheelbase
—
1059.2 mm
Fork offset / rake
—
38.1 mm
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run. Legacy reference geometry is model-level historical data whose corresponding frame size is not identified; compare those dimensions as reference values rather than size-normalized fit data.