Jamis TRAIL XR 2011 VS Specialized ROCKHOPPER A1 FS 1998 specs comparison

Jamis Trail XR

General Infos

Model	Trail XR
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- ano grey - pearl white -Monterey blue
Sizes	- M: 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 F: 12 (inches) - 14 (inches) - 18 (inches)
Sizes	- M: 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 F: 12 (inches) - 14 (inches) - 18 (inches)

Wheels And Breaking System

Bike front tire	26 X 1.95 (inches) CST ATB
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Alloy 4 Finger Levers Alloy Linear Pull Brakes
Hubs for disc brakes	Heavy Duty ATB With QR
Rims manufacturer	36-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga.

Frame and Body Specs

Frame materials	Hi-Tensile Carbon Steel
Frame type	Steel
Handlebar construction	Jamis XC Riser
Handlebar extender	Optional
Handlebar stem details	Jamis Hi-rise
Headset size	1 1/8 (inches) VP Threaded

Gearing Specifications

Bicycle chain	KMC Z51
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	124.5 (millimeters) Spindle VP Bolt-Type 3SB Axle
Crankset parts and sizes	42/34/24t Teeth Forged Alloy
Gear shift levers	SRAM 3.0
Rear gear set	13 - 28 Teeth 7-speed

Jamis Trail XR Fork System Data

Derailleur (Front)	31.8 (millimeters) Top Pull Shimano TZ30
Derailleur (Rear)	SRAM X
Fork material	Unicrown Crown Steel
Fork type	Hi Ten

Other Specs of Jamis Trail XR

Component group sets	Mountain Mix
Pedals details	ATB Platform
Rear shock absorber	Not Available
Saddle seat	Jamis ATB
Seat post extension	28.6 (millimeters) Diameter Jamis Alloy Micro-adjust

Specialized Rockhopper A1 FS

General Infos

Model	Rockhopper A1 FS
Manufacturer	Specialized
Year of production	1998
Current price	Check price Here ==>
Color choice	- team red -Blue
Sizes	- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	Rear: 26 X 1.90 (inches) Specialized Dirt Master Front: 26 X 1.90 (inches) Specialized Dirt Control
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Dia-Compe DP-7N Levers Dia-Compe VC-757 Brakes
Hubs for disc brakes	Q and R Q and R Rear: Ritchey Aluminum Front: Specialized Aluminum
Rims manufacturer	32-hole Rear: Ritchey Rock OCR Front: Ritchey Rock SCX
Spoke nipples type	Brass Nipples
Spoke wheel	1.8 (millimeters) Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Plus Aluminum
Frame type	TIG-welded
Handlebar construction	Specialized Aluminum
Handlebar extender	Optional
Handlebar stem details	Specialized Aluminum
Headset size	1 1/8 (inches) Threadless Ritchey Logic

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) Shimano IG
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	Specialized Sealed Cartridge
Crankset parts and sizes	22/32/42 Teeth Specialized Strong Arm Expert
Gear shift levers	Shimano Rapidfire
Rear gear set	11 - 32 Teeth 8-speed

Specialized Rockhopper A1 FS Fork System Data

Derailleur (Front)	Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing
Derailleur (Rear)	Shimano Deore LX SGS
Fork material	Triple-clamp Crown Aluminum and magnesium
Fork type	Answer Manitou Spyder

Other Specs of Specialized Rockhopper A1 FS

Component group sets	Mountain Mix
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Specialized Prolong Evolution Carbotech
Seat post extension	30.9 (millimeters) Diameter Aluminum Micro-adjust