Ross PIRANHA PRO 148 (01) 1997 VS Jamis LASER 20 2011 specs comparison

Ross Piranha Pro 148 (01)

General Infos

Model	Piranha Pro 148 (01)
Manufacturer	Ross
Year of production	1997
Current price	Check price Here ==>
Color choice	-Green
Sizes	- Boys 12 (inches)
Sizes	- Boys 12 (inches)

Wheels And Breaking System

Bike front tire	20 X 1.95 (inches) Ross BMX Pro
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe MX-844 Levers Dia-Compe MX-844 Brakes
Hubs for disc brakes	Aluminum Nutted
Rims manufacturer	36-hole Kin Lin Aluminum
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Ta Sen Stainless Steel

Frame and Body Specs

Frame materials	Chromoly Seat Tube and hi-tensile Steel
Frame type	TIG-welded
Handlebar construction	Steel
Handlebar extender	Not Available
Handlebar stem details	Aluminum
Headset size	1 (inches) YST 665

Gearing Specifications

Bicycle chain	1/2 X 3/32 (inches) KMC UG-50
Bottom bracket shell width	68 (millimeters) English
Bottom bracket type	One Piece
Crankset parts and sizes	44 Teeth 1-piece Chromoly
Gear shift levers	Shimano Tourney TY-22 Top-mount
Rear gear set	14 - 28 Teeth 6-speed

Ross Piranha Pro 148 (01) Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Shimano Tourney TY-20
Fork material	Unicrown Crown Chromoly
Fork type	Ross

Other Specs of Ross Piranha Pro 148 (01)

Component group sets	Shimano Tourney TY-20
Pedals details	Resin
Rear shock absorber	Not Available
Saddle seat	Ross BMX
Seat post extension	25.4 (millimeters) Diameter Steel Pillar

Jamis Laser 20

General Infos

Model	Laser 20
Manufacturer	Jamis
Year of production	2011
Current price	Check price Here ==>
Color choice	- monterey red -Black gloss
Sizes	- 10 (inches)

Wheels And Breaking System

Bike front tire	20 X 2.125 (inches) CST Dirt
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Unavailable Front and Alloy Rear Levers Unavailable Front and Alloy Linear Pull Rear Brakes
Hubs for disc brakes	Rear: Hi Stop Coaster Brake Front: Steel
Rims manufacturer	36-hole Alloy
Spoke nipples type	Not Available
Spoke wheel	14ga. Nickel-plated

Frame and Body Specs

Frame materials	Lightweigth 6061 Aluminum
Frame type	Aluminum
Handlebar construction	BMX Style
Handlebar extender	Optional
Handlebar stem details	BMX Alloy
Headset size	Standard Threaded Type

Gearing Specifications

Bicycle chain	KMC Z410
Bottom bracket shell width	Not Available
Bottom bracket type	OPC
Crankset parts and sizes	36T Teeth Cold-forged Steel
Gear shift levers	Not Available
Rear gear set	Not Available

Jamis Laser 20 Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Steel
Fork type	MX Hi-Ten

Other Specs of Jamis Laser 20

Component group sets	Juvenile Mix
Pedals details	BMX Resin
Rear shock absorber	Not Available
Saddle seat	Jamis Jr BMX
Seat post extension	27.2 (millimeters) Diameter Pillar