Jamis COMMUTER 3 2011 VS Electra TOWNIE 21 2004 specs comparison

Jamis Commuter 3 2011 comparison online with competitors

Jamis Commuter 3

General Infos
Model Commuter 3
Manufacturer Jamis
Year of production 2011
Current price Check price Here ==>   
Color choice - pearl blue
-Gloss black
Sizes - M: 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 F: 14 (inches)
- 18 (inches)
Sizes - M: 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 F: 14 (inches)
- 18 (inches)

Wheels And Breaking System

Bike front tire700 X 32c Vittoria Adventure Touring
Bike rear tireNot Available
Bike wheel size700c Wheels
Brakeset type Tektro Tenera Levers
Tektro Linear Pull Brakes
Hubs for disc brakes Rear: Shimano Nexus 7-Speed Internal
Front: Formula Alloy
Rims manufacturer 36-hole
Alex ID-19
Spoke nipples typeNot Available
Spoke wheel 14ga.
Stainless Steel Stainless

Frame and Body Specs

Frame materials6061 Triple Gauge Aluminum
Frame typeAluminum
Handlebar constructionJamis ARC
Handlebar extenderOptional
Handlebar stem detailsNVO Components
Headset size1 1/8 (inches) VP Slimstack

Gearing Specifications

Bicycle chainKMC Z410
Bottom bracket shell width68 (millimeters)
Bottom bracket type 122.5 (millimeters) Spindle
Sealed Cartridge
Crankset parts and sizes 42T Teeth
Forged Alloy
Gear shift leversShimano RevoShift SL-7S10
Rear gear set 20 Teeth
1-speed

Jamis Commuter 3 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork materialAluminum
Fork typeJamis City and Cross

Other Specs of Jamis Commuter 3

Component group setsCo (millimeters)uter Mix
Pedals detailsComfort Platform
Rear shock absorberNot Available
Saddle seatJamis Metro Sport
Seat post extension 27.2 (millimeters) Diameter
Jamis Alloy Micro-adjust


Electra Townie 21 2004 comparison online with competitors

Electra Townie 21

General Infos
Model Townie 21
Manufacturer Electra
Year of production 2004
Current price Check price Here ==>   
Color choice - Navy Blue Metallic
- Silver Metallic
-Baby Blue
Sizes - Mens
- womens

Wheels And Breaking System

Bike front tire26 X 1.95 (inches) Blackwall
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Aluminum Linear-pull Levers
Aluminum Linear-pull Brakes
Hubs for disc brakesNot Available
Rims manufacturerAluminum
Spoke nipples typeBrass Nipples
Spoke wheelStraight Gauge

Frame and Body Specs

Frame materials7000 aluminum c
Frame typeTIG-welded
Handlebar constructionSteel
Handlebar extenderNot Available
Handlebar stem details Adjustable
Aluminum
Headset size1 1/8 (inches) Threadless Steel

Gearing Specifications

Bicycle chain1/2 X 3/32 (inches)
Bottom bracket shell widthNot Available
Bottom bracket type One-piece Spindle
Loose Ball
Crankset parts and sizesAluminum 3-piece
Gear shift leversTwist-shift
Rear gear set7-speed

Electra Townie 21 Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Shimano Tourney
Fork material Single Crown
Aluminum
Fork typeRST CT-COM 2

Other Specs of Electra Townie 21

Component group setsHybrid Mix
Pedals detailsResin
Rear shock absorberNot Available
Saddle seatElectra Padded
Seat post extensionSteel Pillar


Useful links and guides ....