Electra BOMBER 21 1998 VS Rocky Mountain VERTEX 50 2009 specs comparison

Electra Bomber 21 1998 comparison online with competitors

Electra Bomber 21

General Infos
Model Bomber 21
Manufacturer Electra
Year of production 1998
Current price Check price Here ==>   
Color choice -Electric red
Sizes - 18.5 (inches)
Sizes - 18.5 (inches)

Wheels And Breaking System

Bike front tire26 X 2.10 (inches) EBC All Terrain
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Tektro RBP-375A Levers
Tektro 823 Linear-pull Brakes
Hubs for disc brakesShimano AceraX
Rims manufacturer 36-hole
EBC TA-8 Aluminum
Spoke nipples typeBrass Nipples
Spoke wheel 2.0 (millimeters) Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materials4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays
Frame typeTIG-welded
Handlebar constructionKalloy Alloy Riser
Handlebar extenderNot Available
Handlebar stem detailsKalloy Aluminum
Headset size1 (inches) Threadless YST

Gearing Specifications

Bicycle chain1/2 X 3/32 (inches)
Bottom bracket shell width68 (millimeters) English
Bottom bracket typeShimano BB-LP26
Crankset parts and sizes 24/34/42 Teeth
Shimano Alivio
Gear shift leversShimano STX RapidFire SL
Rear gear set 11 - 30 Teeth
7-speed

Electra Bomber 21 Fork System Data

Derailleur (Front) Top-pull
Shimano AceraX Top-swing
Derailleur (Rear)Shimano Alivio
Fork material Triple-clamp Crown
Aluminum and chromoly
Fork typeRST 280

Other Specs of Electra Bomber 21

Component group setsShimano Alivio and AceraX
Pedals detailsWellgo Resin and aluminum
Rear shock absorberNot Available
Saddle seatEBC Performance
Seat post extension 26.8 (millimeters) Diameter
Kalloy Aluminum Micro-adjust


Rocky Mountain Vertex 50 2009 comparison online with competitors

Rocky Mountain Vertex 50

General Infos
Model Vertex 50
Manufacturer Rocky Mountain
Year of production 2009
Current price Check price Here ==>   
Color choice -White and Carbon
Sizes - 13.5 (inches)
- 15 (inches)
- 16.5 (inches)
- 18 (inches)
- 20.5 (inches)

Wheels And Breaking System

Bike front tire26 (inches) Hutchinson Toro
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Formula Oro K24 Hydraulic Levers
Formula ORO K24 Brakes
Hubs for disc brakesMavic CrossRide Disc
Rims manufacturerMavic CrossRide Disc
Spoke nipples typeNot Available
Spoke wheel Bladed
Mavic CrossRide

Frame and Body Specs

Frame materialsRMB FORM 7005 Aluminum
Frame typeTIG-welded
Handlebar constructionEaston EA50 Lo Rise
Handlebar extenderOptional
Handlebar stem detailsEaston EA50 31.8
Headset size1 1/8 (inches) FSA TH-848

Gearing Specifications

Bicycle chainShimano HG53-9
Bottom bracket shell widthNot Available
Bottom bracket typeRace Face Evolve XC X-Type
Crankset parts and sizes 22/32/44 Teeth
Race Face Evolve XC X-Type
Gear shift leversShimano SLX RapidFire
Rear gear set 11 - 34 Teeth
9-speed

Rocky Mountain Vertex 50 Fork System Data

Derailleur (Front)Shimano SLX
Derailleur (Rear)Shimano XT Shadow
Fork material Single Crown
Magnesium and aluminum
Fork type 100 (millimeters) Travel
Fox 32 F100RL

Other Specs of Rocky Mountain Vertex 50

Component group setsShimano SLX
Pedals detailsCrank Brothers Smarty
Rear shock absorberNot Available
Saddle seatWTB Silverado Race SL
Seat post extension 27.2 (millimeters) Diameter
Easton EA50


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