- Frame
- Hi-tensile steel
- Groupset
- Recumbent Mix
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Compare published geometry, gearing and specifications for up to three bicycles.
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At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Data limitation
No geometry is recorded for 2007 Sun Bicycles EZ-Tadpole SX and 2006 Sun Bicycles EZ-Tadpole SX.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.94:1Highest4.73:1Total range504%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 20×1.5; rear size isn’t listed.
Lowest0.94:1Highest4.73:1Total range504%
Estimated speed at 90 RPMLowest gearHighest gear
Uses front tire 20×1.5; 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
2007 Sun Bicycles EZ-Tadpole SX
2006 Sun Bicycles EZ-Tadpole SX
Overview
Model Year
2007
2006
Brand
Sun Bicycles
Sun Bicycles
Model
EZ-Tadpole SX
EZ-Tadpole SX
Bicycle Type
Recumbent (tricycle)
Recumbent (tricycle)
Original MSRP
Not documented
$1,095.00
Colors
Red/Black
Red/Black
Sizes
36-46" X-seam
36-46" X-seam
Weight
49 lb
49 lb
Frameset
Frame Construction
TIG-welded
TIG-welded
Frame Material
Hi-tensile steel
Hi-tensile steel
Fork
Sun
Sun
Fork Material
High-tensile steel, unicrown crown
High-tensile steel, unicrown crown
Drivetrain
Component Group
Recumbent Mix
Recumbent Mix
Shifters
SRAM 3.0
SRAM 3.0
Front Derailleur
Shimano FD-C051, dual-pull/clamp-on 31.8mm
Shimano FD-C051, dual-pull/clamp-on 31.8mm
Rear Derailleur
SRAM 3.0
SRAM ESP 3.0
Crankset
3-piece aluminum, 30/42/52 teeth
3-piece aluminum, 30/42/52 teeth
Bottom Bracket
Tien Hsin BB-7420ST, 117.5mm spindle
Tien Hsin BB-7420ST, 117.5mm spindle
BB Shell Width
68mm American
68mm American
Rear Cogs
8-speed, 11 - 32 teeth
8-speed, 11 - 32 teeth
Chain
KMC Z72, 1/2 x 3/32"
KMC Z72, 1/2 x 3/32"
Pedals
Wellgo
Wellgo
Brakes
Brakes
Quad QMD-6 mechanical disc brakes, Promax alloy levers
Quad Mechanical Disc brakes, Promax alloy levers
Cockpit & Contact Points
Headset
1 1/8" threaded Tien Hsin
1 1/8" threaded Tien Hsin
Handlebar
Sun USS
Sun USS
Handlebar Extensions
Not included
—
Stem
Aluminum threadless
Aluminum threadless
Saddle
Sun Steel Cool Back
Sun Steel Cool Back
Wheels & Tires
Hubs
Front: Sun Tadpole Aluminum, Rear: Promax DB-600R
Front: Sun Tadpole Aluminum, Rear: Promax DB-600R
Rims
Aluminum single wall, 36-hole
Aluminum single wall, 36-hole
Spokes
Stainless steel, 14ga. (2.0mm) straight gauge
Stainless steel, 14ga. (2.0mm) straight gauge
Spoke Nipples
Brass nipples
Brass nipples
Front Tire
20 x 1.50" Kenda Kwest
20 x 1.50" Kenda Kwest
Wheel Size
20" wheels
20" wheels
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.