Sun Bicycles RETRO 7 2008 VS Sun Bicycles COMFORT 21 2003 specs comparison

Sun Bicycles Retro 7

General Infos

Model	Retro 7
Manufacturer	Sun Bicycles
Year of production	2008
Current price	Check price Here ==>
Color choice	- Blue - Red -Black
Sizes	- 18.5 (inches) - womens 15 (inches) - womens 17 (inches)
Sizes	- 18.5 (inches) - womens 15 (inches) - womens 17 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.125 (inches) Kenda K-927
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Alloy For V-Brake Levers Tektro Alloy V-brake Brakes
Hubs for disc brakes	Steel With 3/8 (inches) Axle - Nutted
Rims manufacturer	36-hole Alloy Single Wall Weinman AS7X
Spoke nipples type	Brass Nipples
Spoke wheel	14ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Hi-Tensile Steel
Frame type	TIG-Welded
Handlebar construction	25 (inches) Wide X 9.65 (inches) Rise Steel Cruiser Type
Handlebar extender	Not Available
Handlebar stem details	180 (millimeters) Quill 80 (millimeters) Ext Alloy
Headset size	Black 1 (inches) Threaded Steel

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z50
Bottom bracket shell width	68 (millimeters) American
Bottom bracket type	9-Piece Loose Ball For OPC
Crankset parts and sizes	44T 6-1/2 (inches) CP CP Teeth Steel Steel OPC
Gear shift levers	SRAM MRX Grip Shift
Rear gear set	14 - 28 Teeth 7-speed

Sun Bicycles Retro 7 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Tourney TX-51
Fork material	Unicrown With 1-1/8 (inches) Curved & Tapered Legs Crown Hi-Tensile Steel
Fork type	Sun

Other Specs of Sun Bicycles Retro 7

Component group sets	Cruiser Mix
Pedals details	Wellgo LU-990 Cruiser
Rear shock absorber	Not Available
Saddle seat	Sun Coil Spring Cruiser
Seat post extension	10 (inches) 25.4 (millimeters) Diameter CP Steel

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)

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