Schwinn SIERRA SEVEN 2007 VS Electra TOWNIE ORIGINAL 21D 2010 specs comparison

Schwinn Sierra Seven

General Infos

Model	Sierra Seven
Manufacturer	Schwinn
Year of production	2007
Current price	Check price Here ==>
Color choice	- Blue -Champagne
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 13 (inches) - womens 17 (inches)
Sizes	- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - womens 13 (inches) - womens 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches) Smooth Rolling All Weather Touring
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	ProMax 3-Finger Lever Levers Pro Max Alloy Linear Pull Brakes
Hubs for disc brakes	Formula Sealed Alloy With QR
Rims manufacturer	36-hole Single Wall Silver Anodized
Spoke nipples type	CP Brass
Spoke wheel	14ga. Stainless Steel

Frame and Body Specs

Frame materials	Schwinn 'N Gauged Hi-Ten
Frame type	TIG-welded
Handlebar construction	80 (millimeters) Rise Hi-Ten Steel
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threaded VP

Gearing Specifications

Bicycle chain	KMC Z51
Bottom bracket shell width	Not Available
Bottom bracket type	VP Semi-cartridge With JIS Square Taper
Crankset parts and sizes	40 Teeth Pro Wheel
Gear shift levers	SRAM MRX Grip Shift
Rear gear set	13 - 34 Teeth 7-speed

Schwinn Sierra Seven Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Tourney TX-30
Fork material	Unicrown Crown Hi-Ten
Fork type	Schwinn N'Gauged

Other Specs of Schwinn Sierra Seven

Component group sets	Comfort Mix
Pedals details	Nylon Comfort
Rear shock absorber	Not Available
Saddle seat	Schwinn Comfort Tuned Super Soft
Seat post extension	26.6 (millimeters) Diameter Alloy Suspension Micro Adjust

Electra Townie Original 21D

General Infos

Model	Townie Original 21D
Manufacturer	Electra
Year of production	2010
Current price	Check price Here ==>
Color choice	- Black Satin - Silver Metallic - White -Matte Blue
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	26 X 2.0 (inches) Semi-slick
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy 4-finger Levers Cold-Forged Alloy Linear Pull Brakes
Hubs for disc brakes	Alloy Low Flange
Rims manufacturer	32-hole Double-Wall Alloy
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061-T6 Alloy
Frame type	TIG-welded
Handlebar construction	25.5 (inches) X 5 (inches) Alloy Custom Bend
Handlebar extender	Optional
Handlebar stem details	Forged Alloy 25.4 (millimeters) Quill
Headset size	1 1/8 (inches) Integrated Steel Threaded

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z51
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	122 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	170 (millimeters) 28/38/48 Teeth Forged Alloy
Gear shift levers	Shimano E-Z Fire Plus Trigger
Rear gear set	14 - 34 Teeth 7-speed

Electra Townie Original 21D Fork System Data

Derailleur (Front)	Clamp On Shimano C051
Derailleur (Rear)	Shimano TX31
Fork material	Single
Fork type	63 (millimeters) Travel SR Suntour XCT

Other Specs of Electra Townie Original 21D

Component group sets	Co (millimeters)uter Mix
Pedals details	Resin Platform With Non-slip Tread
Rear shock absorber	Not Available
Saddle seat	Ergonomic With Soft Lycra
Seat post extension	27.2 (millimeters) Diameter Alloy