Specialized HOTROCK 20 ST 2011 VS Gary Fisher TYRO 1999 specs comparison
Specialized Hotrock 20 ST
General Infos| Model | Hotrock 20 ST |
| Manufacturer | Specialized |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Red |
| Sizes |
- 1 size |
| Sizes |
- 1 size |
Wheels And Breaking System
| Bike front tire | 20 X 1.5 (inches) Specialized Nimbus |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | V Brake |
| Hubs for disc brakes | Forged Alloy |
| Rims manufacturer | 32-hole |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Stainless |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Hi-Ten Riderbar |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-50 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 128 (millimeters) Spindle Water Sealed |
| Crankset parts and sizes | 36T Teeth Forged Alloy |
| Gear shift levers | Not Available |
| Rear gear set | Not Available |
Specialized Hotrock 20 ST Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Single Crown Alloy |
| Fork type | Not Available |
Other Specs of Specialized Hotrock 20 ST
| Component group sets | Juvenile Mix |
| Pedals details | Composite |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized BG Kid's |
| Seat post extension | 27.2 (millimeters) Diameter Alloy Micro Adjust |
Gary Fisher Tyro
General Infos| Model | Tyro |
| Manufacturer | Gary Fisher |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Red -Light Purple |
| Sizes |
- Boys 13 (inches) - girls 13 (inches) |
Wheels And Breaking System
| Bike front tire | 24 X 2.00 (inches) Knobby |
| Bike rear tire | Not Available |
| Bike wheel size | 24 (inches) Wheels |
| Brakeset type | Tektro 317A Levers Tektro 915A Brakes |
| Hubs for disc brakes | Nutted Kung Ten Aluminum |
| Rims manufacturer | 32-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Chromoly Seat Tube and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Victor VP-H692W |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z-51 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | Victor VPB-33W |
| Crankset parts and sizes | 24/34/42 Teeth SR XR17 |
| Gear shift levers | Grip Shift MRX-200 |
| Rear gear set | 13 - 28 Teeth 7-speed |
Gary Fisher Tyro Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus Top-swing |
| Derailleur (Rear) | Shimano Tourney TY-30 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Fisher |
Other Specs of Gary Fisher Tyro
| Component group sets | Mountain Mix |
| Pedals details | Wellgo LU-945 |
| Rear shock absorber | Not Available |
| Saddle seat | Fisher SuperSoft |
| Seat post extension | Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Hotrock 20 ST bike manual
- Find All parts, tires and accessories of Specialized Hotrock 20 ST Youth here
- Get your Gary Fisher Tyro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Gary Fisher Tyro Youth here
