Ross PRONTO 1998 VS Scorpio ATJ20 1997 specs comparison
Ross Pronto
General Infos| Model | Pronto |
| Manufacturer | Ross |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Metallic blue |
| Sizes |
- Boys |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 12 X 2.0 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Brake |
| Hubs for disc brakes | Rear: Coaster Brake With Training Wheels Nutted Front: Steel |
| Rims manufacturer | Not Available |
| Spoke nipples type | Not Available |
| Spoke wheel | Molded Reinforced Nylon |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | Welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 30 Teeth Steel |
| Gear shift levers | Not Available |
| Rear gear set | 13 Teeth 1-speed |
Ross Pronto Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Ross |
Other Specs of Ross Pronto
| Component group sets | Not Available |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | BMX |
| Seat post extension | 22.2 (millimeters) Diameter Steel Pillar |
Scorpio ATJ20
General Infos| Model | ATJ20 |
| Manufacturer | Scorpio |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-White |
| Sizes |
- Boys |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda K-816 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | APSE 966P Levers APSE Cantilever Brakes |
| Hubs for disc brakes | Rear: Formula FM-01 Nutted Front: Joy Tech Steel |
| Rims manufacturer | 36-hole Kin Lin Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Shuhn Lih Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Pilot |
| Handlebar extender | Not Available |
| Handlebar stem details | Pilot |
| Headset size | 1 (inches) Victor VP-H67 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC HP-70S |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Victor |
| Crankset parts and sizes | 40 Teeth Lung Chi |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 12 - 28 Teeth 7-speed |
Scorpio ATJ20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Pilot Jumbo Fork |
Other Specs of Scorpio ATJ20
| Component group sets | Not Available |
| Pedals details | Victor VP-209 |
| Rear shock absorber | Not Available |
| Saddle seat | Viscount 2233 |
| Seat post extension | 25.4 (millimeters) Diameter Liyang Steel |
Useful links and guides ....
- To know more about this exacte bike, Ross provided us with the latest version of its Pronto bike manual
- Find All parts, tires and accessories of Ross Pronto Youth here
- Get your Scorpio ATJ20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Scorpio ATJ20 Youth here