GT ZuM 4.0 2005 Technical specs and features
| Brand | GT |
| Model | ZuM 4.0 |
| First production | 2005 |
| Bike category | Commuter |
| Bike sub-category | City Commuter |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | GT ZuM 4.0 Parts |
| Available 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 Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | Shimano Alivio |
| Rims manufacturer | Alex DA-22 |
| Spoke nipples type | Not Available |
| Spoke wheel | Aero Stainless Steel |
Frame and Body Specifications
| 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 Specs
| 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 Teeth Suntour XCC-252 |
| Gear shift levers | Shimano ST-EF29 EZ Fire STI |
| Rear gear set | 11 - 32 Teeth 8-speed |
GT ZuM 4.0 Fork System Data
| Derailleur (Front) | Suntour XC-202 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 50 (millimeters) Travel SR Suntour NRX-6000 |
Other Specs of GT ZuM 4.0
| Component group sets | Co (millimeters)uter Mix |
| Available colors | - Red |
| Weight | Unspecified |
| Pedals details | Nylon |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | Aluminum Micro-adjust |
GT ZuM 4.0 picture
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GT ZuM 4.0 bike review
GT produced the ZuM 4.0 bike in 2005 and can be classified as a Commuter bicycle, this exact model costs in american market arround $499.99.
ZuM 4.0 bike is available in many sizes such as Xsmall , small , medium , large and xlarge .
GT Commuter ZuM 4.0 can be found in one single color which is Red.
This bike is equiped with 26 x 1.25" Tioga City Slicker tires and Stainless steel spoke wheel while the rims are manufactured by Alex DA-22. GT equiped this exact model with Tektro linear-pull brakes, Shimano ST-EF29 EZ Fire STI levers braking system and Shimano Alivio hubs.
To guarantee the comfiest ride GT used 6061 T6 aluminum material for the frame. Aluminum high strength material is used on the handlebar of this ZuM 4.0 to ensure the perfect handling while the stems are made of GT ATB.
For the smoothest biking experience Suntour XCC-252, 22/32/42 teeth is used on this bicycle linked to 1/2 x 3/32" chain that is easily replaceable as stated by GT, the whole system is connected to a high reliability Shimano ST-EF29 EZ Fire STI gear shift levers.