Specialized ROCKHOPPER 2008 VS Trek 3900 2010 specs comparison

Specialized Rockhopper 2008 comparison online with competitors

Specialized Rockhopper

General Infos
Model Rockhopper
Manufacturer Specialized
Year of production 2008
Current price Check price Here ==>   
Color choice - blue
- yellow
-Green
Sizes - 13 (inches)
- 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 (inches)
Sizes - 13 (inches)
- 15 (inches)
- 17 (inches)
- 19 (inches)
- 21 (inches)
- 23 (inches)

Wheels And Breaking System

Bike front tire26 X 2.0 (inches) Specialized Fast Trak LK Sport Wire
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Promax Alloy 2-finger Levers
Promax Alloy (inches)V (inches) Brakes
Hubs for disc brakes Rear: Shimano FH-RM30L
Front: Specialized Forged Alloy
Rims manufacturer 28-hole and 32-hole
Specialized and Alex RH 26
Spoke nipples typeAlloy Nipples
Spoke wheel 15ga. Straight Gauge
Stainless Steel

Frame and Body Specs

Frame materialsM4 Manipulated Alloy
Frame typeTIG-welded
Handlebar constructionSpecialized Alloy XC Riser
Handlebar extenderOptional
Handlebar stem detailsSpecialized 3D Forged Alloy 31.8 (millimeters)
Headset size1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain 1/2 X 3/32 (inches)
KMX X8
Bottom bracket shell width68 (millimeters)
Bottom bracket type 126 (millimeters) Spindle
Shimano BB-ES25
Crankset parts and sizes 22/32/44 Teeth
Shimano FC-M341-8
Gear shift leversShimano Acera SL-MC40
Rear gear set 11 - 32 Teeth
8-speed

Specialized Rockhopper Fork System Data

Derailleur (Front) Top Swing
Shimano Altus FD-M310-6
Derailleur (Rear)Shimano Alivio RD-M410
Fork material Single Crown Crown
Aluminum and steel and magnesium
Fork type 100 (millimeters) Travel
RockShox Dart 3 SL

Other Specs of Specialized Rockhopper

Component group setsMountain Mix
Pedals detailsSteel Cage and composite Body
Rear shock absorberNot Available
Saddle seatSpecialized XC With Kevlar Sides
Seat post extension 30.9 (millimeters) Diameter
Specialized Alloy Two Bolt


Trek 3900 2010 comparison online with competitors

Trek 3900

General Infos
Model 3900
Manufacturer Trek
Year of production 2010
Current price Check price Here ==>   
Color choice - Matte Orange
-Matte Black
Sizes - 13 (inches)
- 16 (inches)
- 18 (inches)
- 19.5 (inches)
- 21 (inches)
- 22.5 (inches)

Wheels And Breaking System

Bike front tire26 X 2.00 (inches) Bontrager LT-3
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset type Shimano EF-50 Levers
Tektro V-brake Brakes
Hubs for disc brakesFormula FM-31 Alloy
Rims manufacturerBontrager 550
Spoke nipples typeNot Available
Spoke wheelNot Available

Frame and Body Specs

Frame materialsAlpha White Aluminum
Frame typeTIG-welded
Handlebar constructionBontrager Approved Riser
Handlebar extenderOptional
Handlebar stem detailsBontrager Approved
Headset size1 1/8 (inches) Threadless VP-A68-TK

Gearing Specifications

Bicycle chainNot Available
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 42/34/24 Teeth
Shimano M191
Gear shift leversShimano EF-50
Rear gear set 11 - 32 Teeth
8-speed

Trek 3900 Fork System Data

Derailleur (Front)Shimano C051
Derailleur (Rear)Shimano M-360
Fork materialSingle Crown
Fork type 100 (millimeters) Travel
SR Suntour SF9 XCT V2

Other Specs of Trek 3900

Component group setsMountain Mix
Pedals detailsWellgo Nylon Platform
Rear shock absorberNot Available
Saddle seatBontrager SSR
Seat post extension 31.6 (millimeters) Diameter
Bontrager SSR


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