Jamis EXPLORER 1999 VS Trek 820 1999 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	1999
Current price	Check price Here ==>
Color choice	- Inkwell Blue -Dragonfly Green
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches) - womens 17 (inches) - womens 20 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) Trek Connection
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Lee Chi LV77E Levers Lee Chi TX22 Brakes
Hubs for disc brakes	Rear: Kung Ten W5ER Front: Kung Ten W55F
Rims manufacturer	32-hole Weinmann 519
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	TIG-welded
Handlebar construction	Alloy MTB
Handlebar extender	Optional
Handlebar stem details	Steel
Headset size	1 1/8 (inches) Victor VP-H992W

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KAZ LR900
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	116 (millimeters) Spindle Shimano BB-CT92E
Crankset parts and sizes	24/34/42 Teeth Shimano Altus
Gear shift levers	Grip Shift Centera
Rear gear set	11 - 30 Teeth 8-speed

Trek 820 Fork System Data

Derailleur (Front)	Bottom-pull and bottom Bracket Mount Shimano Altus
Derailleur (Rear)	Shimano Alivio
Fork material	Unicrown Crown Chromoly
Fork type	Trek

Other Specs of Trek 820

Component group sets	Mountain Mix
Pedals details	Alloy With Alloy Cage
Rear shock absorber	Not Available
Saddle seat	Velo
Seat post extension	27.2 (millimeters) Diameter Aluminum Micro-adjust