Specialized ROCKHOPPER COMP 2011 VS GT ZUM 1.0 2007 specs comparison

Specialized Rockhopper Comp
General InfosModel | Rockhopper Comp |
Manufacturer | Specialized |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice | - Red and Blk-Blk and Blue |
Sizes | - 13 (inches)- 15.5 (inches)- 17.5 (inches)- 19 (inches)- 21 (inches)- 23 (inches) |
Sizes | - 13 (inches)- 15.5 (inches)- 17.5 (inches)- 19 (inches)- 21 (inches)- 23 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 2.0 (inches) Specialized The Captain Sport |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Tektro Draco LeversTektro Draco Brakes |
Hubs for disc brakes | Rear: Forged Alloy Mid FlangeFront: Forged Alloy Hi and low Flange |
Rims manufacturer | 28-hole and 32-holeAlex RHD 26 (inches) |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. ButtedStainless |
Frame and Body Specs
Frame materials | Specialized M4 Alloy |
Frame type | TIG-welded |
Handlebar construction | Butted Alloy Risebar |
Handlebar extender | Optional |
Handlebar stem details | 3D Forged Alloy |
Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
Bicycle chain | KMC X9 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Shimano BB ES25 Octalink |
Crankset parts and sizes | 22/32/44 TeethShimano FC-M430-8 |
Gear shift levers | Shimano Alivio SL |
Rear gear set | 11 - 34 Teeth9-speed |
Specialized Rockhopper Comp Fork System Data
Derailleur (Front) | 34.9 (millimeters) ClampShimano Alivio |
Derailleur (Rear) | Shimano Alivio |
Fork material | Single CrownAlloy Steerer |
Fork type | SR Suntour SF11 |
Other Specs of Specialized Rockhopper Comp
Component group sets | Mountain Mix |
Pedals details | Alloy |
Rear shock absorber | Not Available |
Saddle seat | Specialized Rockhopper XC |
Seat post extension | 30.9 (millimeters) DiameterTwo-bolt Alloy Micro-Adjust |

GT ZuM 1.0
General InfosModel | ZuM 1.0 |
Manufacturer | GT |
Year of production | 2007 |
Current price | Check price Here ==> |
Color choice | -Not found |
Sizes | - Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
Bike front tire | 26 X 1.50 (inches) Tioga City Slicker |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano Deore LeversShimano Deore Disc Brakes |
Hubs for disc brakes | Shimano Deore |
Rims manufacturer | Alex FD-16 |
Spoke nipples type | DT Swiss |
Spoke wheel | 15ga. DT Swiss Champion |
Frame and Body Specs
Frame materials | ZuM 6061 Butted Aluminum |
Frame type | TIG-welded |
Handlebar construction | Truvativ XR |
Handlebar extender | Not Available |
Handlebar stem details | TruVativ XR |
Headset size | FSA Integrated |
Gearing Specifications
Bicycle chain | Shimano |
Bottom bracket shell width | Not Available |
Bottom bracket type | TruVativ Power Spline |
Crankset parts and sizes | 34/50 TeethTruVativ Touro |
Gear shift levers | Shimano Deore |
Rear gear set | 12 - 25 Teeth9-speed |
GT ZuM 1.0 Fork System Data
Derailleur (Front) | Shimano Compact |
Derailleur (Rear) | Shimano Deore XT |
Fork material | Unicrown CrownAluminum and magnesium |
Fork type | 75 (millimeters) TravelSR NRX-8100 |
Other Specs of GT ZuM 1.0
Component group sets | Mountain Mix |
Pedals details | Crank Brothers Candy C |
Rear shock absorber | Not Available |
Saddle seat | SDG Bel Air |
Seat post extension | GT Aluminum 6061 |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper Comp bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Comp Mountain bike here
- Get your GT ZuM 1.0 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT ZuM 1.0 Mountain bike here