Velopedia Bicycle Archive
Compare Bicycles
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.
- Handling
2001 Diamondback Response has a 0.5° slacker head-tube angle than 1999 Diamondback Response in the archived geometry. Frame size is not identified for 1999 Diamondback Response and 2001 Diamondback Response.
Fork offset, tire size and wheelbase also affect steering; head angle alone is not a handling verdict.
- Gearing
2001 Diamondback Response has a 8% lower climbing ratio than 1999 Diamondback Response.
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.
Lowest0.86:1Highest3.00:1Total range350%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 26×1.95.
Lowest0.79:1Highest3.50:1Total range445%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×1.95; 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.
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
1999 Diamondback Response
2001 Diamondback Response
Overview
Model Year
1999
2001
Brand
Diamondback
Diamondback
Model
Response
Response
Bicycle Type
Mountain bike, non-suspension
Mountain bike, front suspension
Original MSRP
$309.99
$359.99
Colors
Ivory/Ruby, Yellow
Blue, Chrome-Plated
Sizes
14", 16", 18", 20", 22"
XS, S, M, L, XL
Weight
27.5 lb
—
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
7005 aluminum w/replaceable derailleur hanger
7005 aluminum w/replaceable derailleur hanger
Fork
Diamondback
In Sync SYS-266, 2.5" travel
Fork Material
Chromoly, oversize, unicrown crown
Aluminum, triple-clamp crown
Drivetrain
Component Group
Shimano AceraX
Mountain Mix
Shifters
Shimano AceraX EZ Fire
Shimano Acera EZ Fire Plus
Front Derailleur
Shimano AceraX top-swing, top-pull/clamp-on 31.8mm
Shimano Acera, top-pull/clamp-on 31.8mm
Rear Derailleur
Shimano AceraX
Shimano Acera
Crankset
Shimano Altus, 24/34/42 teeth
Sugino Impel 150, 22/32/42 teeth
Bottom Bracket
YST BB 969, 116mm spindle
Sealed cartridge, 102mm spindle
BB Shell Width
68mm English
68mm English
Rear Cogs
7-speed, 14 - 28 teeth
8-speed, 12 - 28 teeth
Chain
KMC Z-51, 1/2 x 3/32"
KMC IG-31, 1/2 x 1/8"
Pedals
Wellgo LU-983D
Resin body/aluminum cage w/clips & straps
Brakes
Brakes
Tektro 823A linear-pull brakes, Shimano AceraX levers
ProMax linear-pull brakes, Shimano Acera levers
Cockpit & Contact Points
Headset
1 1/8" threadless Aheadset STS
1 1/8" threadless Tange Seiki TG-3
Handlebar
Lee Chi
Steel, 30mm rise
Handlebar Extensions
Not included
Not included
Stem
JD aluminum
Aluminum Ahead type
Saddle
Diamondback All-Terrain
Avenir Performance Plus
Seatpost
Aluminum micro-adjust, 27.2mm diameter
Aluminum micro-adjust, 27.2mm diameter
Wheels & Tires
Hubs
Joy Tech aluminum, Q/R
Front: aluminum O/S, Rear: aluminum, Q/R
Rims
Kin Lin RT-6n, 36-hole
Alex Y-2000, 36-hole
Spokes
Shuhn Lih stainless steel, 2.0mm straight gauge
Stainless steel, 2.0mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
26 x 1.95" Kenda K-877
26 x 1.95" multi-terrain
Rear Tire
26 x 1.95" Kenda K-887
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Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
71.5°
71°
Seat-tube angle
74°
73°
Chainstay / rear center
424.2 mm
424.2 mm
Wheelbase
1064.3 mm
1064.3 mm
Fork offset / rake
45 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.