GT ZUM 4.0 2005 VS Jamis COMMUTER 4 2011 specs comparison

GT ZuM 4.0
General InfosModel | ZuM 4.0 |
Manufacturer | GT |
Year of production | 2005 |
Current price | Check price Here ==> |
Color choice | -Red |
Sizes | - Xsmall - small - medium - large - xlarge |
Sizes | - Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
Bike front tire | 26 X 1.25 (inches) Tioga City Slicker |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano ST-EF29 EZ Fire STI LeversTektro Linear-pull Brakes |
Hubs for disc brakes | Shimano Alivio |
Rims manufacturer | Alex DA-22 |
Spoke nipples type | Not Available |
Spoke wheel | AeroStainless Steel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Aluminum |
Handlebar extender | Optional |
Handlebar stem details | GT ATB |
Headset size | 1 1/8 (inches) Integrated FSA |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge |
Crankset parts and sizes | 22/32/42 TeethSuntour XCC-252 |
Gear shift levers | Shimano ST-EF29 EZ Fire STI |
Rear gear set | 11 - 32 Teeth8-speed |
GT ZuM 4.0 Fork System Data
Derailleur (Front) | Suntour XC-202 |
Derailleur (Rear) | Shimano Acera |
Fork material | Single CrownAluminum and magnesium |
Fork type | 50 (millimeters) TravelSR Suntour NRX-6000 |
Other Specs of GT ZuM 4.0
Component group sets | Co (millimeters)uter Mix |
Pedals details | Nylon |
Rear shock absorber | Not Available |
Saddle seat | GT |
Seat post extension | Aluminum Micro-adjust |

Jamis Commuter 4
General InfosModel | Commuter 4 |
Manufacturer | Jamis |
Year of production | 2011 |
Current price | Check price Here ==> |
Color choice | - pearl white-Winter blue |
Sizes | - M: 15 (inches)- 17 (inches)- 19 (inches)- 21 (inches)- 23 F: 14 (inches)- 18 (inches) |
Wheels And Breaking System
Bike front tire | 700 X 32c Vittoria Adventure Touring |
Bike rear tire | Not Available |
Bike wheel size | 700c Wheels |
Brakeset type | Tektro Tenera LeversTektro Linear Pull Brakes |
Hubs for disc brakes | Rear: Shimano Nexus Inter-8Front: Shimano DH2N35 Dynamo Hub |
Rims manufacturer | 36-holeAlex ID-19 |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Stainless Steel Stainless |
Frame and Body Specs
Frame materials | 6061 Triple Gauge Aluminum |
Frame type | Aluminum |
Handlebar construction | Jamis ARC |
Handlebar extender | Optional |
Handlebar stem details | NVO Components |
Headset size | 1 1/8 (inches) VP Slimstack |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | 68 (millimeters) |
Bottom bracket type | 122.5 (millimeters) SpindleSealed Cartridge |
Crankset parts and sizes | 42T TeethForged Alloy |
Gear shift levers | Shimano RevoShift SL-8S20 |
Rear gear set | 20 Teeth1-speed |
Jamis Commuter 4 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Aluminum |
Fork type | Jamis City and Cross |
Other Specs of Jamis Commuter 4
Component group sets | Co (millimeters)uter Mix |
Pedals details | City Style Full Alloy |
Rear shock absorber | Not Available |
Saddle seat | Jamis Metro Sport |
Seat post extension | 27.2 (millimeters) DiameterJamis Alloy Micro-adjust |
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 Commuter here
- Get your Jamis Commuter 4 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Jamis Commuter 4 Commuter here