Specialized HOTROCK 20 STREET BOYS 2012 VS Gary Fisher PIRANHA 1997 specs comparison

Specialized Hotrock 20 Street Boys
General InfosModel | Hotrock 20 Street Boys |
Manufacturer | Specialized |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice |
-Red |
Sizes |
- Not available |
Sizes |
- Not available |
Wheels And Breaking System
Bike front tire | Nimbus With Flk Jkt 20 X1.5 (inches) |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Die Cast Alloy Linear Pull |
Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
Rims manufacturer | Alex C-1000 20 (inches) |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | A1 Premium Aluminum |
Frame type | Not Available |
Handlebar construction | Hi-Ten Riser |
Handlebar extender | Not Available |
Handlebar stem details | Ahead 25.4 |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC Z-50 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Water Sealed Loose-ball |
Crankset parts and sizes | Forged Alloy |
Gear shift levers | Shimano RS-31 Revo Twist 6spd |
Rear gear set | Not Available |
Specialized Hotrock 20 Street Boys Fork System Data
Derailleur (Front) | Unavailable Front Derailleur |
Derailleur (Rear) | Shimano FT-30 |
Fork material | Not Available |
Fork type | Alloy Straight Blades |
Other Specs of Specialized Hotrock 20 Street Boys
Component group sets | Not Available |
Pedals details | Compostie |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | Specialized Kids Body Geometry |
Seat post extension | Alloy 27.2 |

Gary Fisher Piranha
General InfosModel | Piranha |
Manufacturer | Gary Fisher |
Year of production | 1997 |
Current price | Check price Here ==> |
Color choice |
- magenta -Blue |
Sizes |
- Large - medium - small - womens large - womens small - xlarge - xsmall |
Wheels And Breaking System
Bike front tire | 24 X 1.95 (inches) Kenda |
Bike rear tire | Not Available |
Bike wheel size | 24 (inches) Wheels |
Brakeset type | Aluminum Levers Shimano Altus Brakes |
Hubs for disc brakes | Aluminum Nutted |
Rims manufacturer | 36-hole Weinmann 519 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 1.8 (millimeters) Straight Gauge Steel |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | Steel |
Handlebar extender | Not Available |
Handlebar stem details | Steel |
Headset size | 1 (inches) Steel |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) KMC UG-50 |
Bottom bracket shell width | 73 (millimeters) English |
Bottom bracket type | YST BB 613 |
Crankset parts and sizes | 28/38/48 Teeth SR |
Gear shift levers | Grip Shift Quickshift |
Rear gear set | 14 - 28 Teeth 6-speed |
Gary Fisher Piranha Fork System Data
Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano Tourney TY-22 Top-swing |
Derailleur (Rear) | Shimano Tourney TY-22 |
Fork material | Unicrown Crown Hi-tensile Steel |
Fork type | Gary Fisher |
Other Specs of Gary Fisher Piranha
Component group sets | Not Available |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | Fisher Supersoft |
Seat post extension | 26.6 (millimeters) Diameter Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 Street Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 Street Boys Youth here
- Get your Gary Fisher Piranha manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Gary Fisher Piranha Youth here