Sun Bicycles COMFORT 21 2003 VS Electra TOWNIE BALLOON 3I 2009 specs comparison

Sun Bicycles Comfort 21

General Infos

Model	Comfort 21
Manufacturer	Sun Bicycles
Year of production	2003
Current price	Check price Here ==>
Color choice	- Red and Silver -Blue and Silver
Sizes	- 19 (inches) - 21 (inches) - womens 15 (inches) - womens 17 (inches)
Sizes	- 19 (inches) - 21 (inches) - womens 15 (inches) - womens 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Kenda K-841
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Aluminum Linear-pull Levers Aluminum Linear-pull Brakes
Hubs for disc brakes	Q and R Rear: Aluminum Nutted Front: Aluminum
Rims manufacturer	36-hole Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	2.75 (inches) Rise Aluminum
Handlebar extender	Not Available
Handlebar stem details	Adjustable Aluminum
Headset size	1 (inches) Threaded Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	Victor VP-B32
Crankset parts and sizes	28/38/48 Teeth Shimano Tourney
Gear shift levers	Shimano Tourney RevoShift
Rear gear set	14 - 34 Teeth 7-speed

Sun Bicycles Comfort 21 Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Tourney TY-32
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Not Available

Other Specs of Sun Bicycles Comfort 21

Component group sets	Comfort Mix
Pedals details	Victor VP Resin
Rear shock absorber	Not Available
Saddle seat	Comfort
Seat post extension	25.4 (millimeters) Diameter Suspension Aluminum

Electra Townie Balloon 3i

General Infos

Model	Townie Balloon 3i
Manufacturer	Electra
Year of production	2009
Current price	Check price Here ==>
Color choice	-Slate
Sizes	- Standard size for everyone

Wheels And Breaking System

Bike front tire	26 X 2.35 (inches) Schwalbe Fat Frank
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy 4 Finger Reach Adjust Levers Shimano Nexus Roller Brake Brakes
Hubs for disc brakes	Rear: Shimano Nexus Internal 3-speed With Roller Brake Front: Shimano Nexus BR-IM40
Rims manufacturer	36-hole Alloy
Spoke nipples type	Brass
Spoke wheel	14ga. Stainless

Frame and Body Specs

Frame materials	6061-T6 Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Custom Bend Riser
Handlebar extender	Optional
Handlebar stem details	Forged Alloy
Headset size	1 1/8 (inches) Threaded

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle Sealed Cartridge
Crankset parts and sizes	44 Teeth Forged Alloy
Gear shift levers	Shimano Revo Twist
Rear gear set	20 Teeth 3-speed Internal

Electra Townie Balloon 3i Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown High-tensile Steel
Fork type	Not Available

Other Specs of Electra Townie Balloon 3i

Component group sets	Cruiser Mix
Pedals details	Alloy Platform With Kraton Inserts
Rear shock absorber	Not Available
Saddle seat	Ergonomic With Soft Lycra
Seat post extension	27.2 (millimeters) Diameter Alloy