Jamis COMMUTER 4.0 2009 VS Trek 8.1 DS 2013 specs comparison

Jamis Commuter 4.0
General InfosModel | Commuter 4.0 |
Manufacturer | Jamis |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | -Forrest Green and Bone |
Sizes | - 14.5 (inches)- 16.5 (inches)- 18.5 (inches)- 20.5 (inches)- 22 (inches) |
Sizes | - 14.5 (inches)- 16.5 (inches)- 18.5 (inches)- 20.5 (inches)- 22 (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 LeversShimano M416 Mechanical Disc With 6 (inches) Rotors Brakes |
Hubs for disc brakes | Rear: Shimano Alfine 8 DiscFront: Shimano Alfine Dynamo Centerlock Disc |
Rims manufacturer | 36-holeWeinmann Zac 2000 |
Spoke nipples type | Not Available |
Spoke wheel | 14ga. Stainless |
Frame and Body Specs
Frame materials | 6061 aluminum c |
Frame type | TIG-welded |
Handlebar construction | Classic Swept-back |
Handlebar extender | Optional |
Handlebar stem details | Satori Adjustable |
Headset size | 1 1/8 (inches) Slimstack |
Gearing Specifications
Bicycle chain | KMC Z9000 |
Bottom bracket shell width | 68 (millimeters) |
Bottom bracket type | 110.5 (millimeters) SpindleSealed Cartridge |
Crankset parts and sizes | 34/48 TeethFSA Vero Compact |
Gear shift levers | Shimano SL-S500 |
Rear gear set | 18 Teeth8-speed Internal |
Jamis Commuter 4.0 Fork System Data
Derailleur (Front) | Shimano R440 |
Derailleur (Rear) | Shimano CT-S500 Tensioner |
Fork material | Unicrown CrownAluminum |
Fork type | Jamis City and Cross |
Other Specs of Jamis Commuter 4.0
Component group sets | Co (millimeters)uter Mix |
Pedals details | Alloy Toe-clip Compatible |
Rear shock absorber | Not Available |
Saddle seat | Jamis Urban |
Seat post extension | 27.2 (millimeters) DiameterAlloy Suspension Micro Adjust |

Trek 8.1 DS
General InfosModel | 8.1 DS |
Manufacturer | Trek |
Year of production | 2013 |
Current price | Check price Here ==> |
Color choice | -Trek Black and Paramount Grey |
Sizes | - 15.5 (inches)- 17.5 (inches)- 19 (inches)- 21 (inches)- 22.5 (inches) |
Wheels And Breaking System
Bike front tire | Bontrager LT1 700x38 |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Linear Pull |
Hubs for disc brakes | Not Available |
Rims manufacturer | Bontrager AT-750 |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Alpha Gold Aluminum |
Frame type | Not Available |
Handlebar construction | Bontrager 30 (millimeters) Rise |
Handlebar extender | Not Available |
Handlebar stem details | Alloy |
Headset size | 1 1/8 Semi-Integrated |
Gearing Specifications
Bicycle chain | Unavailable Chain |
Bottom bracket shell width | Not Available |
Bottom bracket type | Unavailable Bottom Bracket |
Crankset parts and sizes | Alloy 48/38/28t |
Gear shift levers | Shimano EF51 EZ Fire |
Rear gear set | 3x7 Speeds |
Trek 8.1 DS Fork System Data
Derailleur (Front) | Shimano Tourney |
Derailleur (Rear) | Shimano Altus |
Fork material | Not Available |
Fork type | Hi-Tensile Steel |
Other Specs of Trek 8.1 DS
Component group sets | Not Available |
Pedals details | Nylon Platform |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | Bontrager SSR |
Seat post extension | Bontrager SSR |
Useful links and guides ....
- To know more about this exacte bike, Jamis provided us with the latest version of its Commuter 4.0 bike manual
- Find All parts, tires and accessories of Jamis Commuter 4.0 Commuter here
- Get your Trek 8.1 DS manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 8.1 DS Commuter here