Jamis EXPLORER 1999 VS Trek 990 1996 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 990

General Infos

Model	990
Manufacturer	Trek
Year of production	1996
Current price	Check price Here ==>
Color choice	-Gray
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 2.10 (inches) Panaracer Smoke 2 Comp Front: 26 X 2.10 (inches) Panaracer Dart 2 Comp
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe PC-7 Levers Shimano Deore XT M-System Brakes
Hubs for disc brakes	Not Available
Rims manufacturer	32-hole Matrix Swami
Spoke nipples type	Alloy Nipples
Spoke wheel	2.0 (millimeters) Double Butted Union Stainless Steel

Frame and Body Specs

Frame materials	True Temper OXIII
Frame type	TIG-welded Steel
Handlebar construction	Bontrager Race
Handlebar extender	Optional
Handlebar stem details	Bontrager Race
Headset size	1 1/8 (inches) Threadless Dia-Compe Kontak Aheadset SA-2

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano CN-IG90
Bottom bracket shell width	73 (millimeters) English
Bottom bracket type	110 (millimeters) Spindle Shimano BB-UN72
Crankset parts and sizes	22/32/42 Teeth Shimano Deore XT
Gear shift levers	Grip Shift SRT-800 X-Ray
Rear gear set	11 - 28 Teeth 8-speed

Trek 990 Fork System Data

Derailleur (Front)	Top-pull and clamp-on 31.8 (millimeters) Shimano Deore XT Top-swing
Derailleur (Rear)	Shimano Deore XT SGS
Fork material	Butted Unicrown Crown Chromoly
Fork type	System 2

Other Specs of Trek 990

Component group sets	Shimano Deore XT
Pedals details	Shimano PD-M535 SPD
Rear shock absorber	Not Available
Saddle seat	Bontrager Plus 10 Lite
Seat post extension	27.2 (millimeters) Diameter System 2