Specialized ROCKHOPPER 18 1994 VS Marin MUIR BEACH 2008 specs comparison
Specialized Rockhopper 18
General InfosModel | Rockhopper 18 |
Manufacturer | Specialized |
Year of production | 1994 |
Current price | Check price Here ==> |
Color choice |
-Not found |
Sizes |
- Boys - girls |
Sizes |
- Boys - girls |
Wheels And Breaking System
Bike front tire | 24 X 1.80 (inches) Specialized Cannibal |
Bike rear tire | Not Available |
Bike wheel size | 24 (inches) Wheels |
Brakeset type | Levers Shimano TY21/Shimano TY22 Brakes |
Hubs for disc brakes | Chrome-plated Steel |
Rims manufacturer | 36-hole Alloy |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Chromoly Seat Tube and Hi-tensile Steel |
Frame type | TIG-welded Steel |
Handlebar construction | Steel |
Handlebar extender | Not Available |
Handlebar stem details | Steel |
Headset size | Not Available |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 28/38/48 Teeth SR CFC-T405 |
Gear shift levers | Grip Shift SRT-100i |
Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Rockhopper 18 Fork System Data
Derailleur (Front) | Shimano TY20 |
Derailleur (Rear) | Shimano TY20 |
Fork material | Not Available |
Fork type | Hi-tensile Steel |
Other Specs of Specialized Rockhopper 18
Component group sets | Shimano and GripShift |
Pedals details | Victor VP-870 |
Rear shock absorber | Not Available |
Saddle seat | Specialized Kids |
Seat post extension | Steel |

Marin Muir Beach
General InfosModel | Muir Beach |
Manufacturer | Marin |
Year of production | 2008 |
Current price | Check price Here ==> |
Color choice |
-Gloss Red Rock |
Sizes |
- Not available |
Wheels And Breaking System
Bike front tire | 20 X 2.125 (inches) Kenda Flame |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Unavailable Front and coaster Brake Rear |
Hubs for disc brakes | Rear: Coaster Brake Front: Alloy Sealed |
Rims manufacturer | 36-hole Alloy |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Stainless Steel |
Frame and Body Specs
Frame materials | 7005 aluminum c |
Frame type | TIG-welded |
Handlebar construction | Alloy Long Horn |
Handlebar extender | Optional |
Handlebar stem details | Alloy |
Headset size | 1 (inches) Threaded Double Sealed |
Gearing Specifications
Bicycle chain | KMC |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Semi-Cartridge |
Crankset parts and sizes | 44 Teeth Alloy |
Gear shift levers | Not Available |
Rear gear set | 18 Teeth 1-speed |
Marin Muir Beach Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown |
Fork type | Cromoly Rigid |
Other Specs of Marin Muir Beach
Component group sets | Cruiser Mix |
Pedals details | Slipper and Flip Flop Compatible Composite |
Rear shock absorber | Not Available |
Saddle seat | Kid's Lounge Chair Comfort |
Seat post extension | 27.2 (millimeters) Diameter Alloy Micro Adjust |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper 18 bike manual
- Find All parts, tires and accessories of Specialized Rockhopper 18 Youth here
- Get your Marin Muir Beach manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Marin Muir Beach Youth here