Specialized HOTROCK 12 BOYS 2009 VS Specialized HOTROCK A1 FSR 24 21-SPEED 2005 specs comparison

Specialized Hotrock 12 Boys
General InfosModel | Hotrock 12 Boys |
Manufacturer | Specialized |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | - Gloss Red-Gloss Green |
Sizes | - Not available |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 12 X 2.125 (inches) Specialized |
Bike rear tire | Not Available |
Bike wheel size | 12 (inches) Wheels |
Brakeset type | Coaster Rear |
Hubs for disc brakes | Rear: Joy Tech Steel Nutted CoasterFront: Joy Tech Steel Nutted |
Rims manufacturer | 16-holeAlloy |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. UCP |
Frame and Body Specs
Frame materials | Specialized A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | Alloy |
Handlebar extender | Optional |
Handlebar stem details | Alloy Quill |
Headset size | 1 (inches) Threaded |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Loose Ball |
Crankset parts and sizes | 28 TeethHeat Treated Hi-Ten |
Gear shift levers | Not Available |
Rear gear set | 1-speed |
Specialized Hotrock 12 Boys Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownA1 Premium Aluminum and Hi-Ten |
Fork type | Specialized |
Other Specs of Specialized Hotrock 12 Boys
Component group sets | Juvenile Mix |
Pedals details | Composite |
Rear shock absorber | Not Available |
Saddle seat | Specialized Kid's |
Seat post extension | 22.2 (millimeters) DiameterIntegrated Steel Post |

Specialized Hotrock A1 FSR 24 21-Speed
General InfosModel | Hotrock A1 FSR 24 21-Speed |
Manufacturer | Specialized |
Year of production | 2005 |
Current price | Check price Here ==> |
Color choice | - White and Red-Red |
Sizes | - Not available |
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 Junior LeversTektro Linear-pull Brakes |
Hubs for disc brakes | QRAluminum |
Rims manufacturer | 32-holeAlex Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
Frame materials | A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | Aluminum |
Handlebar extender | Not Available |
Handlebar stem details | Aluminum |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)Shimano IG |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | 113 (millimeters) SpindleTruVativ |
Crankset parts and sizes | 22/32/42 TeethTruVativ Isoflow |
Gear shift levers | Shimano RS-41 Revo |
Rear gear set | 14 - 28 Teeth7-speed |
Specialized Hotrock A1 FSR 24 21-Speed Fork System Data
Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters)Shimano Acera |
Derailleur (Rear) | Shimano Altus |
Fork material | Single CrownAluminum |
Fork type | 51 (millimeters)RST Capa T5 |
Other Specs of Specialized Hotrock A1 FSR 24 21-Speed
Component group sets | Juvenile Mix |
Pedals details | Resin Body |
Rear shock absorber | 75 (millimeters)ToughShock Coil-over |
Saddle seat | Specialized Mini Mountain |
Seat post extension | 27.2 (millimeters) DiameterAluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 12 Boys bike manual
- Find All parts, tires and accessories of Specialized Hotrock 12 Boys Youth here
- Get your Specialized Hotrock A1 FSR 24 21-Speed manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock A1 FSR 24 21-Speed Youth here