Specialized HOTROCK 20 2008 VS Jamis X-20 2009 specs comparison

Specialized Hotrock 20

General Infos

Model	Hotrock 20
Manufacturer	Specialized
Year of production	2008
Current price	🛒 View Price →
Color choice	- blue - pink - yellow and black -Blue and black
Sizes	- 20 wheel (inches)
Sizes	- 20 wheel (inches)

Wheels And Breaking System

Bike front tire	20 X 2.125 (inches) Specialized Roller Wire
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro Jr. Levers Promax Alloy (inches)V (inches) Brakes
Hubs for disc brakes	Forged Alloy
Rims manufacturer	32-hole Alex C-1000
Spoke nipples type	Not Available
Spoke wheel	14ga. Straight Gauge UCP

Frame and Body Specs

Frame materials	A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Hi-tensile Steel
Handlebar extender	Optional
Handlebar stem details	Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC Z7
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	128 (millimeters) Spindle VP
Crankset parts and sizes	36 Teeth Sugino
Gear shift levers	Shimano RS-31 Revo Twist
Rear gear set	14 - 28 Teeth 6-speed

Specialized Hotrock 20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano RD-FT30
Fork material	Single Crown Steel and aluminum
Fork type	50 (millimeters) Travel RST Capa C20

Other Specs of Specialized Hotrock 20

Component group sets	Juvenile Mix
Pedals details	Composite Platform
Rear shock absorber	Not Available
Saddle seat	Specialized Kids
Seat post extension	27.2 (millimeters) Diameter Alloy Micro-adjust

Jamis X-20

General Infos

Model	X-20
Manufacturer	Jamis
Year of production	2009
Current price	🛒 View Price →
Color choice	- Team Red and Pearl White -Ghost Blue and Pearl White
Sizes	- Not available

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) CST ATB
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Alloy Short Reach Levers Alloy Linear Pull Brakes
Hubs for disc brakes	Heavy Duty Nutted Axle
Rims manufacturer	36-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga. Nickel-plated

Frame and Body Specs

Frame materials	7005 aluminum c
Frame type	TIG-welded
Handlebar construction	ATB Alloy Riser
Handlebar extender	Optional
Handlebar stem details	Jamis
Headset size	1 1/8 (inches) Aheadset

Gearing Specifications

Bicycle chain	KMC HP20
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	119 (millimeters) Spindle Cotterless
Crankset parts and sizes	36 Teeth Forged Alloy
Gear shift levers	SRAM MRX Grip Shift
Rear gear set	14 - 28 Teeth 6-speed

Jamis X-20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano TX30
Fork material	Single
Fork type	40 (millimeters) Travel Suspension

Other Specs of Jamis X-20

Component group sets	Mountain Mix
Pedals details	ATB Resin Body
Rear shock absorber	Not Available
Saddle seat	XC ATB
Seat post extension	27.2 (millimeters) Diameter Alloy Pillar