GT ZUM 4.0 2007 VS Rocky Mountain TRAILHEAD 2003 specs comparison
GT ZuM 4.0
General Infos| Model | ZuM 4.0 |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice | -Not found |
| Sizes | - Xsmall - small - medium - large - xlarge |
| 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 ST-EF29 LeversTektro Linear-pull Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | Alloy Double Wall |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | ZuM 6061 Butted Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 6061 Heat TreatedGT Mtn Riser |
| Handlebar extender | Not Available |
| Handlebar stem details | GT ATB |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge Sealed |
| Crankset parts and sizes | 22/32/42 TeethSuntour XCT-202 |
| Gear shift levers | Shimano ST-EF50 |
| Rear gear set | 11 - 32 Teeth8-speed |
GT ZuM 4.0 Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Unicrown CrownAluminum and magnesium |
| Fork type | 60 (millimeters) TravelSR NRX-4000 |
Other Specs of GT ZuM 4.0
| Component group sets | Mountain Mix |
| Pedals details | High Impact Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Speed V |
| Seat post extension | GT Aluminum 6061 |
Rocky Mountain Trailhead
General Infos| Model | Trailhead |
| Manufacturer | Rocky Mountain |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice | -Near Chrome and Zoom Yellow |
| Sizes | - 14.5 (inches)- 16 (inches)- 17.5 (inches)- 18.5 (inches)- 19.5 (inches)- 21 (inches)- 22.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Maxxis MOFO XC |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore LeversShimano BR-420 Brakes |
| Hubs for disc brakes | Shimano Alivio |
| Rims manufacturer | 32-holeAlex Ace 19 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 15ga. Straight GaugeDT Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Rocky Mountain XC Riser |
| Handlebar extender | Optional |
| Handlebar stem details | RMB |
| Headset size | 1 1/8 (inches) Threadless Ritchey |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)SRAM PC-48 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 110 (millimeters) SpindleShimano BB-UN25 |
| Crankset parts and sizes | 22/32/42 TeethShimano FC-M440 |
| Gear shift levers | Shimano Deore Rapidfire Plus |
| Rear gear set | 11 - 32 Teeth9-speed |
Rocky Mountain Trailhead Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters)Shimano Alivio |
| Derailleur (Rear) | Shimano Deore SGS |
| Fork material | Single CrownAluminum and magnesium |
| Fork type | 100 (millimeters) TravelRock Shox Pilot C |
Other Specs of Rocky Mountain Trailhead
| Component group sets | Mountain Mix |
| Pedals details | Big Flats |
| Rear shock absorber | Not Available |
| Saddle seat | RMB Custom |
| Seat post extension | 26.8 (millimeters) DiameterRMB |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its ZuM 4.0 bike manual
- Find All parts, tires and accessories of GT ZuM 4.0 Mountain bike here
- Get your Rocky Mountain Trailhead manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain Trailhead Mountain bike here