Jamis EXPLORER 1997 VS Trek 820 COMFORT 1998 specs comparison

Jamis Explorer

General Infos

Model	Explorer
Manufacturer	Jamis
Year of production	1997
Current price	Check price Here ==>
Color choice	- matte blue -Charcoal
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)
Sizes	- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches)

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) Duro HF-855
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Lee Chi GL-1 Levers Lee Chi 748C Brakes
Hubs for disc brakes	Q and R King Kong 510 SE
Rims manufacturer	36-hole Alex VP-20
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Shuhn Lih Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame type	TIG-welded
Handlebar construction	Hsin Lung Steel
Handlebar extender	Optional
Handlebar stem details	Hsin Lung Steel
Headset size	1 (inches) Victor VP-H67

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Victor VPB-33
Crankset parts and sizes	28/38/48 Teeth SR XR10 Aluminum
Gear shift levers	Grip Shift MRX-170
Rear gear set	14 - 28 Teeth 7-speed

Jamis Explorer Fork System Data

Derailleur (Front)	Top-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-30
Derailleur (Rear)	Shimano Altus
Fork material	Unicrown Crown Hi-tensile Steel
Fork type	Spinner

Other Specs of Jamis Explorer

Component group sets	Shimano Altus
Pedals details	Wellgo LU-943
Rear shock absorber	Not Available
Saddle seat	Viscount 9701
Seat post extension	26.8 (millimeters) Diameter Steel Pillar

Trek 820 Comfort

General Infos

Model	820 Comfort
Manufacturer	Trek
Year of production	1998
Current price	Check price Here ==>
Color choice	-Ice Green
Sizes	- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - 24 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.90 (inches)
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	Q and R Rear: Shimano Altus Front: Aluminum
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	Steel
Handlebar extender	Optional
Handlebar stem details	Girvin Flexstem
Headset size	1 1/8 (inches) Victor VP-H97W Sealed

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Sachs PC-10
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	118 (millimeters) Spindle Shimano BB-CT91E
Crankset parts and sizes	24/34/42 Teeth Shimano Altus
Gear shift levers	Grip Shift MRX-170
Rear gear set	11 - 28 Teeth 7-speed

Trek 820 Comfort Fork System Data

Derailleur (Front)	Top-pull Shimano Altus Top-swing
Derailleur (Rear)	Shimano Alivio
Fork material	Unicrown Crown Chromoly
Fork type	Trek

Other Specs of Trek 820 Comfort

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Spring Type
Seat post extension	27.2 (millimeters) Diameter SP57 Suspension Post