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.
No key difference could be established from the available data. Check the full table for the details.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest1.00:1Highest4.73:1Total range473%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×26; rear size isn’t listed.
Lowest1.00:1Highest4.91:1Total range491%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 700C×26; 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
1997 Burley Duet
1995 Burley Duet
Overview
Model Year
1997
1995
Brand
Burley
Burley
Model
Duet
Duet
Bicycle Type
Tandem (road)
Tandem (road)
Original MSRP
$1,975.00
$1,975.00
Colors
Hot rod red
Blue
Sizes
Captain 20.5"/stoker 18", captain 22"/stoker 19.5", captain 23.5"/stoker 21
Captain 20.5"/stoker 18", captain 22"/stoker 19.5", captain 23.5"/stoker 21"
Weight
40.2 lb
39.9 lb
Frameset
Frame Construction
TIG-welded
TIG-welded steel
Frame Material
True Temper Tandem chromoly, butted
True Temper / 4130 chromoly, oversize, double-butted
Fork
Burley
Burley Tandem
Fork Material
True Temper Tandem chromoly, unicrown crown
True Temper 4130 chromoly, oversize, unicrown crown
Drivetrain
Component Group
—
Shimano Deore XT / LX
Shifters
Shimano 600 Ultegra bar-end
Shimano SL-BS64 600 Ultegra bar-end 8-speed
Front Derailleur
Sachs Centera, bottom-pull/clamp-on 28.6 mm
Shimano Deore LX, bottom-pull/clamp-on 28.6 mm
Rear Derailleur
Shimano Deore XT SGS
Shimano Deore XT SGS
Crankset
Sugino Fuse Tandem, 28/42/52 teeth
Specialized Tandem, 28/44/54 teeth
Bottom Bracket
Burley Tandem precision sealed, 117 mm spindle
—
BB Shell Width
82mm Threadless
—
Rear Cogs
8-speed, 11 - 28 teeth
8-speed, 11 - 28 teeth
Chain
Shimano CN-HG50, 1/2 x 3/32"
DID Supershift, 1/2 x 3/32"
Pedals
Wellgo WPD-700 (clipless)
MKS alloy Edge, w/Cateye clips & straps
Brakes
Brakes
Shimano Deore LX M-System brakes, Shimano RX-100 levers
Shimano Deore LX M-System brakes, Shimano 600 Ultegra levers
Cockpit & Contact Points
Headset
1 1/8" Tange-Seiki Avenger
1 1/8" Tange-Seiki Avenger OS-H2
Handlebar
Burley aluminum drop
Modolo anatomic/Burley upturn
Stem
Burley chromoly
Burley chromoly oversize
Saddle
Vetta SL, manganese rails/Vetta SL womens,manganese rails
Vetta SL Racing/Vetta SL MTB
Seatpost
Aluminum micro-adjust, 26.6 mm diameter
Kalloy SP-243, 26.6 mm diameter
Wheels & Tires
Hubs
Shimano Tandem
Hope tandem cassette (threaded for drum brake)
Rims
Sun Rims CRT16 II, 48-hole
Sun Metal CRT16 II, 48-hole
Spokes
Marwi stainless steel, 2.0mm straight gauge
Union stainless steel, 2.0 mm straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
700 x 26c Specialized Transition
700 x 26c Specialized Transition
Wheel Size
700c wheels
700c wheels
Geometry · choose a size for each bicycle
Geometry size
Head-tube angle
73°
73°
Seat-tube angle
73°
—
Chainstay / rear center
438 mm
439.4 mm
Wheelbase
1730 mm
1747.5 mm
Fork offset / rake
55 mm
58.4 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.