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.
- Gearing
2001 Jamis Durango Sport SX has a 8% lower climbing ratio than 1999 Jamis Durango Sport SX.
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.
Lowest0.80:1Highest3.82:1Total range477%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 26×1.95; rear size isn’t listed.
Lowest0.73:1Highest3.82:1Total range521%
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 Jamis Durango Sport SX
2001 Jamis Durango Sport SX
Overview
Model Year
1999
2001
Brand
Jamis
Jamis
Model
Durango Sport SX
Durango Sport SX
Bicycle Type
Mountain bike, front suspension
Mountain bike, front suspension
Original MSRP
$399.95
$400.00
Colors
Gloss Black, Kiwi Green
Blue, Red
Sizes
11", 13", 15", 17", 19", 21"
12, 14, 17, 19, 21
Weight
29.5 lb
—
Frameset
Frame Construction
TIG-welded
Brazed/welded
Frame Material
Chromoly
7005 aluminum w/replaceable derailleur hanger
Fork
RST 281, 2.5" travel
Spinner, 2.75" travel
Fork Material
Aluminum/chromoly, triple-clamp crown
Aluminum/magnesium, triple-clamp crown
Drivetrain
Component Group
Mountain Mix
Mountain Mix
Shifters
Shimano Alivio RapidFire SL
Shimano Acera EZ Fire Plus
Front Derailleur
Shimano Alivio top-swing, top-pull/clamp-on 28.6mm
Shimano Acera top-swing, top-pull/clamp-on 31.8mm
Rear Derailleur
Shimano Alivio
Shimano Acera
Crankset
Shimano Alivio, 24/34/42 teeth
Sakae CW-MD304PB, 22/32/42 teeth
Bottom Bracket
Shimano BB-LP27, 110mm spindle
Tange Aluminum cartridge, 110mm spindle
BB Shell Width
68mm English
68mm English
Rear Cogs
8-speed, 11 - 30 teeth
8-speed, 11 - 30 teeth
Chain
KMC IG-31, 1/2 x 3/32"
KMC IG-31, 1/2 x 3/32"
Pedals
Wellgo LU-943 w/clips & straps
Wellgo resin
Brakes
Brakes
Tektro 823A linear-pull brakes, Tektro 381A levers
Tektro linear-pull brakes, Shimano Acera levers
Cockpit & Contact Points
Headset
1 1/8" Victor VP-H98W
1 1/8" threadless Tange TG Aheadset
Handlebar
Chromoly riser
Aluminum, rise
Handlebar Extensions
Not included
—
Stem
Chromoly
Jamis Flip-Flop
Saddle
Velo VL-313
Viscount
Seatpost
Kalloy SP-242, 26.8mm diameter
Hsin Lung SP-213, 27.2mm diameter
Wheels & Tires
Hubs
Front: Formula OV 31, Rear: Formula OV 32
Formula aluminum, Q/R
Rims
Sun Rims Z-19, 32-hole
Weinmann 519, 36-hole
Spokes
Sha-Dar stainless steel, 1.8mm straight gauge
Xingda stainless steel, 1.8mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
26 x 1.95" Hutchinson Chameleon
26 x 1.95" Cheng Shin
Wheel Size
26" wheels
26" wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
71°
71°
Seat-tube angle
73.5°
74°
Chainstay / rear center
425 mm
424.2 mm
Wheelbase
1055 mm
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.