Dahon ROCK HARD XT612 1999 VS Dahon JACK D7 2011 specs comparison
Dahon Rock Hard XT612
General Infos| Model | Rock Hard XT612 |
| Manufacturer | Dahon |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Red |
| Sizes |
- 17 (inches) |
| Sizes |
- 17 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Vanguard Linear-pull |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Not Available |
| Handlebar extender | Not Available |
| Handlebar stem details | Not Available |
| Headset size | 1 (inches) |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC HP-20 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/46 Teeth Dotek |
| Gear shift levers | Grip 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 material | Not Available |
| Fork type | Not Available |
Other Specs of Dahon Rock Hard XT612
| Component group sets | Shimano Tourney TY-22 |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Not Available |
| Seat post extension | 25.8 (millimeters) Diameter Kalloy Aluminum |
Dahon Jack D7
General Infos| Model | Jack D7 |
| Manufacturer | Dahon |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Shadow |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 26 X 2.0'' Schwalbe Big Apple |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Promax V-Brake Levers ProMax V-Brake Brakes |
| Hubs for disc brakes | Rear: Formula Front: Formula QR |
| Rims manufacturer | Aluminum |
| Spoke nipples type | Brass |
| Spoke wheel | Stainless |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | Aluminum |
| Handlebar construction | 6061-T6 Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Dahon Axis |
| Headset size | Dahon Fusion |
Gearing Specifications
| Bicycle chain | KMC Z50 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | CH |
| Crankset parts and sizes | 39T Teeth Kinetix Supra |
| Gear shift levers | SRAM 3.0 Comp |
| Rear gear set | 11 - 30 Teeth 7-speed |
Dahon Jack D7 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | SRAM X.4 |
| Fork material | Not Available |
| Fork type | Integrated |
Other Specs of Dahon Jack D7
| Component group sets | Folding Mix |
| Pedals details | Platform |
| Rear shock absorber | Not Available |
| Saddle seat | WTB |
| Seat post extension | 31.6 (millimeters) Diameter BioLogic PostPump |
Useful links and guides ....
- To know more about this exacte bike, Dahon provided us with the latest version of its Rock Hard XT612 bike manual
- Find All parts, tires and accessories of Dahon Rock Hard XT612 Folding here
- Get your Dahon Jack D7 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Dahon Jack D7 Folding here