Dahon Rock Hard XT612 1999 Technical specs and features

Brand Dahon
Model Rock Hard XT612
First production 1999
Bike category Folding
Bike sub-category Folding
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Parts And Accessories Dahon Rock Hard XT612 Parts   
Available Sizes - 17 (inches) / 43.18 (cm)
- 17 (inches)


Wheels And Breaking System

Bike front tire26 X 1.95 (inches)
Bike rear tireNot Available
Bike wheel size26 (inches) Wheels
Brakeset typeVanguard Linear-pull
Hubs for disc brakesAlloy
Rims manufacturer 36-hole
Aluminum
Spoke nipples typeBrass Nipples
Spoke wheel Straight Gauge
Steel

Frame and Body Specifications

Frame materialsHi-tensile Steel
Frame typeTIG-welded
Handlebar constructionNot Available
Handlebar extenderNot Available
Handlebar stem detailsNot Available
Headset size1 (inches)

Gearing Specs

Bicycle chain 1/2 X 3/32 (inches)
KMC HP-20
Bottom bracket shell widthNot Available
Bottom bracket typeNot Available
Crankset parts and sizes 24/34/46 Teeth
Dotek
Gear shift leversGrip Shift MRX-100
Rear gear set 14 - 28 Teeth
7-speed

Dahon Rock Hard XT612 Fork System Data

Derailleur (Front) Bottom-pull
Shimano Tourney TY-22 Top-swing
Derailleur (Rear)Shimano Tourney TY-22
Fork materialNot Available
Fork typeNot Available

Other Specs of Dahon Rock Hard XT612

Component group setsShimano Tourney TY-22
Available colors - Red
Weight 32.0
Pedals detailsResin
Rear shock absorberNot Available
Saddle seatNot Available
Seat post extension 25.8 (millimeters) Diameter
Kalloy Aluminum


Dahon Rock Hard XT612 bike review

Dahon produced the Rock Hard XT612 bike in 1999 and can be classified as a Folding bicycle, this exact model costs in american market arround $349.00.
Dahon Folding Rock Hard XT612 can be found in one single color which is Red.
This bike is equiped with 26 x 1.95" tires and Steel spoke wheel while the rims are manufactured by Aluminum, 36-hole. Dahon equiped this exact model with Vanguard linear-pull braking system and Alloy hubs.
To guarantee the comfiest ride Dahon used Hi-tensile steel material for the frame. .
For the smoothest biking experience Dotek, 24/34/46 teeth is used on this bicycle linked to KMC HP-20 chain that is easily replaceable as stated by Dahon, the whole system is connected to a high reliability Grip Shift MRX-100 gear shift levers.