Jamis EXPLORER 1999 VS Trek 820 2006 specs comparison

Jamis Explorer

General Infos

Model	Explorer
Manufacturer	Jamis
Year of production	1999
Current price	Check price Here ==>
Color choice	- Gloss Black - Magenta -Azure Blue
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - womens 16 (inches) - womens 19 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) - womens 16 (inches) - womens 19 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Cheng Shin C-1212
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Tektro RBP-378A Levers Tektro 823A Linear-pull Brakes
Hubs for disc brakes	Rear: Jou Yu JY-734 Front: Jou Yu JY-731
Rims manufacturer	32-hole Sun Rims Z-19
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Shun Jiu Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	Pulse-welded
Handlebar construction	Rise Steel
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 1/8 (inches) Chin Haur CH-90

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z-51
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Chin Haur CH-48
Crankset parts and sizes	28/38/48 Teeth SR CW-XR 11
Gear shift levers	Grip Shift MRX-200
Rear gear set	14 - 34 Teeth 7-speed

Jamis Explorer Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-32
Derailleur (Rear)	Shimano Tourney TY-30
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Not Available

Other Specs of Jamis Explorer

Component group sets	Mountain Mix
Pedals details	Wellgo LU-943
Rear shock absorber	Not Available
Saddle seat	Velo VL-313
Seat post extension	26.8 (millimeters) Diameter Polygon PM-790

Trek 820

General Infos

Model	820
Manufacturer	Trek
Year of production	2006
Current price	Check price Here ==>
Color choice	- Hot Orange and Metallic Dark Silver -Rally Blue and Metallic Silver
Sizes	- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Bontrager Connection Trail
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Shimano EF-50 Levers Tektro Linear-pull Brakes
Hubs for disc brakes	Aluminum
Rims manufacturer	Matrix 550
Spoke nipples type	Not Available
Spoke wheel	Stainless Steel

Frame and Body Specs

Frame materials	Hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Hi-tensile
Handlebar extender	Not Available
Handlebar stem details	Hi-tensile Steel
Headset size	Aheadset Slimstak

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	Not Available
Crankset parts and sizes	28/38/48 Teeth SR XCC-100
Gear shift levers	Shimano EF50
Rear gear set	13 - 34 Teeth 7-speed

Trek 820 Fork System Data

Derailleur (Front)	Shimano FD-C051
Derailleur (Rear)	Shimano Acera
Fork material	Unicrown Crown High-tensile Steel
Fork type	Trek

Other Specs of Trek 820

Component group sets	Mountain Mix
Pedals details	Nylon Platform
Rear shock absorber	Not Available
Saddle seat	Bontrager Sport
Seat post extension	Bontrager