Specialized HOTROCK A1 FS 2007 VS Scott SPARK JR 20 2010 specs comparison

Specialized Hotrock A1 FS

General Infos

Model	Hotrock A1 FS
Manufacturer	Specialized
Year of production	2007
Current price	🛒 View Price →
Color choice	-Black
Sizes	- Boys 13 (inches) - boys 11 (inches)
Sizes	- Boys 13 (inches) - boys 11 (inches)

Wheels And Breaking System

Bike front tire	24 X 1.80 (inches) Specialized Roll-X
Bike rear tire	Not Available
Bike wheel size	24 (inches) Wheels
Brakeset type	Tektro Jr. Levers Tektro V-brake Brakes
Hubs for disc brakes	Alloy QR
Rims manufacturer	32-hole Specialized and Alex HRXC
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	Specialized A1 Premium Aluminum
Frame type	TIG-welded
Handlebar construction	Alloy Flat
Handlebar extender	Optional
Handlebar stem details	Alloy A-Head
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	Shimano HG-40
Bottom bracket shell width	68 (millimeters)
Bottom bracket type	113 (millimeters) Spindle TruVativ Cartridge
Crankset parts and sizes	22/32/42 Teeth TruVativ ISO-Flow
Gear shift levers	Shimano RS-41 Revo Twist
Rear gear set	14 - 28 Teeth 7-speed

Specialized Hotrock A1 FS Fork System Data

Derailleur (Front)	Shimano Acera
Derailleur (Rear)	Shimano Altus
Fork material	Single Crown Steel and aluminum
Fork type	50 (millimeters) RST Capa T7A

Other Specs of Specialized Hotrock A1 FS

Component group sets	Juvenile Mix
Pedals details	Composite Body Steel Cage
Rear shock absorber	Not Available
Saddle seat	Specialized Body Geometry ATB Kid's
Seat post extension	27.2 (millimeters) Diameter Alloy Micro Adjust

Scott Spark JR 20

General Infos

Model	Spark JR 20
Manufacturer	Scott
Year of production	2010
Current price	🛒 View Price →
Color choice	-White and Red
Sizes	- 20 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.0 (inches) K-829 and XC- Type
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Tektro JL510-TS Levers Lee-Chi 209 P Brakes
Hubs for disc brakes	Rear: JY-434 Nutted Front: JY-433 Nutted
Rims manufacturer	32-hole Alex C-1000
Spoke nipples type	Not Available
Spoke wheel	15ga. Straight Gauge Stainless Steel

Frame and Body Specs

Frame materials	6061 Hydroformed Aluminum
Frame type	TIG-welded
Handlebar construction	Scott Junior Flat Bat 540 (millimeters)
Handlebar extender	Optional
Handlebar stem details	HL-TDS-C41-8 15°
Headset size	1 1/8 (inches) Threadless VP-A71

Gearing Specifications

Bicycle chain	Not Available
Bottom bracket shell width	Not Available
Bottom bracket type	TH M-1
Crankset parts and sizes	34/42 Teeth Lasco Double 140 (millimeters)
Gear shift levers	Shimano SL-RS35-6 Revo Shifter
Rear gear set	14 - 28 Teeth 6-speed

Scott Spark JR 20 Fork System Data

Derailleur (Front)	Clamp On Shimano FD-M190
Derailleur (Rear)	Shimano TY18 GS
Fork material	Single
Fork type	50 (millimeters) Travel RST Cappa 20

Other Specs of Scott Spark JR 20

Component group sets	Mountain Mix
Pedals details	VP-570
Rear shock absorber	65 (millimeters) Apro SD
Saddle seat	Junior Racing VL-50610
Seat post extension	26.8 (millimeters) Diameter Scott SP-252