Jamis COMMUTER 4 2010 VS Rocky Mountain RC 30 2012 specs comparison

Jamis Commuter 4 2010 comparison online with competitors

Jamis Commuter 4

General Infos
Model Commuter 4
Manufacturer Jamis
Year of production 2010
Current price Check price Here ==>   
Color choice - Pearl White
-Benzegreen and Stainless
Sizes - 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 (inches)
- womens 14 (inches)
- womens 18 (inches)
Sizes - 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 (inches)
- womens 14 (inches)
- womens 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
Shimano BR-M416 Mechanical Disc Brakes
Hubs for disc brakes Rear: Shimano Alfine Inter-8 Centerlock Disc
Front: Shimano Alfine Dynamo Centerlock Disc
Rims manufacturer 36-hole
Alex DC25 Disc Rims
Spoke nipples typeNot Available
Spoke wheel 14ga.
Stainless Steel

Frame and Body Specs

Frame materials6061 Triple Gauge Aluminum
Frame typeTIG-welded
Handlebar constructionJamis ARC
Handlebar extenderOptional
Handlebar stem detailsNVO TM4 Adjustable
Headset size1 1/8 (inches) Threadless VP Slimstack

Gearing Specifications

Bicycle chainKMC Z9000
Bottom bracket shell width68 (millimeters)
Bottom bracket type 110.5 (millimeters) Spindle
Sealed Cartridge
Crankset parts and sizes 48/34t Teeth
FSA Vero Compact
Gear shift leversShimano SL-S500
Rear gear set 18 Teeth
8-speed Internal

Jamis Commuter 4 Fork System Data

Derailleur (Front) Bottom-pull and clamp-on
Shimano R440
Derailleur (Rear)Shimano CT-S500 Tensioner
Fork material Unicrown With Tappered Legs Crown
Aluminum
Fork typeJamis City and Cross

Other Specs of Jamis Commuter 4

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


Rocky Mountain RC 30 2012 comparison online with competitors

Rocky Mountain RC 30

General Infos
Model RC 30
Manufacturer Rocky Mountain
Year of production 2012
Current price Check price Here ==>   
Color choice -blue
Sizes - 40cm (centimeters)
- 45.5cm (centimeters)
- 50cm (centimeters)
- 55.5cm (centimeters)
- 58cm (centimeters)

Wheels And Breaking System

Bike front tireKenda Kwest 700x32
Bike rear tireNot Available
Bike wheel sizeNot Available
Brakeset typePromax TX-122
Hubs for disc brakesShimano RM40 Shimano RM30
Rims manufacturerUnavailable Wheelset
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsRMB 6061 Alloy
Frame typeNot Available
Handlebar constructionRMB Six20
Handlebar extenderNot Available
Handlebar stem detailsRMB XC7
Headset sizeCane Creek Five Series

Gearing Specifications

Bicycle chainShimano HG-53
Bottom bracket shell widthNot Available
Bottom bracket typeShimano UN-26
Crankset parts and sizesShimano M391 48/38/28t
Gear shift levers 9spd Rapidfire
Shimano Acera
Rear gear setNot Available

Rocky Mountain RC 30 Fork System Data

Derailleur (Front)Shimano Acera
Derailleur (Rear)Shimano Alivio 9spd
Fork materialNot Available
Fork typeRMB Cromo Road

Other Specs of Rocky Mountain RC 30

Component group setsNot Available
Pedals detailsRMB City Steel Cage
Rear shock absorberUnavailable Rear Shock
Saddle seatRMB Urban Light
Seat post extensionRMB L2B


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