Jamis BOSS CRUISER-7 2008 VS Sun Bicycles COMFORT 21 2003 specs comparison

Jamis Boss Cruiser-7

General Infos

Model	Boss Cruiser-7
Manufacturer	Jamis
Year of production	2008
Current price	Check price Here ==>
Color choice	- Gloss Black - Machine Silver - Sunset Red -Daytona Blue
Sizes	- 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches)
Sizes	- 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - 23.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.125 (inches) Jamis Cruise Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Tenera Levers Tektro Alloy Linear Pull Brakes
Hubs for disc brakes	Nutted Alloy
Rims manufacturer	36-hole Rear: Alex X303 Front: Alex X-303
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	Jamis Cruiser
Handlebar extender	Not Available
Handlebar stem details	Alloy Hi-rise Quill
Headset size	1 1/8 (inches) Sealed

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z51
Bottom bracket shell width	Not Available
Bottom bracket type	Cotterless Bolt Type
Crankset parts and sizes	44 Teeth Alloy Cotterless
Gear shift levers	SRAM Gripshift MRX
Rear gear set	14 - 28 Teeth 7-speed

Jamis Boss Cruiser-7 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano TX-70
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Jamis

Other Specs of Jamis Boss Cruiser-7

Component group sets	Cruiser Mix
Pedals details	Cruiser Platform
Rear shock absorber	Not Available
Saddle seat	Boss Cruiser With Springs
Seat post extension	27.2 (millimeters) Diameter Alloy Micro-adjust

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