EPX SPEEDSTER 2003 VS Rocky Mountain RC 50 2012 specs comparison

EPX Speedster 2003 comparison online with competitors

EPX Speedster

General Infos
Model Speedster
Manufacturer EPX
Year of production 2003
Current price Check price Here ==>   
Color choice -Carbon Fiber and Black
Sizes - 18 (inches)
Sizes - 18 (inches)

Wheels And Breaking System

Bike front tire26 X 1.95 (inches) Schwalbe Black Shark SX
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Magura Louise Hydraulic Disc Levers
Magura Louise Hydraulic Disc Brakes
Hubs for disc brakes Rear: Rohloff Speed Hub
Front: Magura Pro
Rims manufacturer 32-hole
Mavic X317 Disc
Spoke nipples typeBrass Nipples
Spoke wheelStainless Steel

Frame and Body Specs

Frame materialsCarbon Fiber Composite
Frame typeBonded and monocoque
Handlebar constructionITM Millennium
Handlebar extenderOptional
Handlebar stem detailsITM Millennium
Headset size1 1/8 (inches) Threadless WTB Grease Guard Comp

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
Shimano CN-HG73
Bottom bracket shell widthNot Available
Bottom bracket typeShimano BB-ES70
Crankset parts and sizes 42 Teeth
Cyclone
Gear shift leversRohloff
Rear gear set14-speed Internal

EPX Speedster Fork System Data

Derailleur (Front)Not Available
Derailleur (Rear)Not Available
Fork material Single Crown
Aluminum and magnesium
Fork typeMagura Quake C-75

Other Specs of EPX Speedster

Component group setsCo (millimeters)uter Mix
Pedals detailsShimano PD-M323 SPD
Rear shock absorberIntegrated Elastomer
Saddle seatSelle San Marco
Seat post extension 27.2 (millimeters) Diameter
ITM Millenium


Rocky Mountain RC 50 2012 comparison online with competitors

Rocky Mountain RC 50

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

Wheels And Breaking System

Bike front tireKenda Kwest 700 X 28c
Bike rear tireNot Available
Bike wheel sizeNot Available
Brakeset typePromax TX-122
Hubs for disc brakesShimano RM30 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 Zero5
Handlebar extenderNot Available
Handlebar stem detailsRMB Road Adjustable
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 leversShimano Alivio Rapidfire 9spd
Rear gear setNot Available

Rocky Mountain RC 50 Fork System Data

Derailleur (Front)Shimano Acera
Derailleur (Rear)Shimano Deore 9 Spd
Fork materialNot Available
Fork typeRMB Carbon Road

Other Specs of Rocky Mountain RC 50

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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