Jamis BOSS 7 ALUMINUM 1998 VS Sun Bicycles COMFORT 21 2003 specs comparison

Jamis Boss 7 Aluminum

General Infos

Model	Boss 7 Aluminum
Manufacturer	Jamis
Year of production	1998
Current price	Check price Here ==>
Color choice	- Silverflake -Electric blue
Sizes	- 19 (inches) - 21 (inches) - 23 (inches) - 25 (inches) - womens 17.5 (inches) - womens 19 (inches)
Sizes	- 19 (inches) - 21 (inches) - 23 (inches) - 25 (inches) - womens 17.5 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Kenda K-847
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Nutted Aluminum
Rims manufacturer	36-hole Sun Rims Z-19
Spoke nipples type	Not Available
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Oversized 7005 Aluminum
Frame type	TIG-welded
Handlebar construction	Jamis Cruiser
Handlebar extender	Not Available
Handlebar stem details	Kalloy Aluminum
Headset size	1 1/8 (inches) Threadless Victor VP-H98W Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Victor VP
Crankset parts and sizes	44 Teeth Cyclone CPI-100
Gear shift levers	Grip Shift MRX-170 Rear
Rear gear set	14 - 28 Teeth 7-speed

Jamis Boss 7 Aluminum Fork System Data

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

Other Specs of Jamis Boss 7 Aluminum

Component group sets	Cruiser Mix
Pedals details	VP
Rear shock absorber	Not Available
Saddle seat	Jamis Cruiser
Seat post extension	Kalloy Aluminum

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