Dahon ROCK HARD XT612 1999 VS Bike Friday SPORT 1994 specs comparison
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➜ Dahon Rock Hard XT612 price
➜ Bike Friday Sport price
Dahon Rock Hard XT612
General Infos| Model | Rock Hard XT612 |
| Manufacturer | Dahon |
| Year of production | 1999 |
| Current price | 🛒 View Price → |
| 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-holeAluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Straight GaugeSteel |
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 TeethDotek |
| Gear shift levers | Grip Shift MRX-100 |
| Rear gear set | 14 - 28 Teeth7-speed |
Dahon Rock Hard XT612 Fork System Data
| Derailleur (Front) | Bottom-pullShimano 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) DiameterKalloy Aluminum |
Bike Friday Sport
General Infos| Model | Sport |
| Manufacturer | Bike Friday |
| Year of production | 1994 |
| Current price | 🛒 View Price → |
| Color choice | -Not found |
| Sizes | - Custom |
Wheels And Breaking System
| Bike front tire | IRC Roadlite EX |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | LeversDia-Compe FSE Dual-pivot Side-pull Calipers Brakes |
| Hubs for disc brakes | Suntour |
| Rims manufacturer | Sun Metal |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | 4130 chromoly c |
| Frame type | TIG-welded Steel |
| Handlebar construction | SR Modolo |
| Handlebar extender | Not Available |
| Handlebar stem details | Custom |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | KHS |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 46/56 Teeth Shimano Or SuginoSuntour |
| Gear shift levers | Suntour Accushift Bar-end |
| Rear gear set | 11 - 24 Teeth7-speed |
Bike Friday Sport Fork System Data
| Derailleur (Front) | Suntour |
| Derailleur (Rear) | Suntour |
| Fork material | Not Available |
| Fork type | Reynolds 531 |
Other Specs of Bike Friday Sport
| Component group sets | Suntour |
| Pedals details | |
| Rear shock absorber | Not Available |
| Saddle seat | Optional |
| Seat post extension | Kaloy Micro Adj |
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 Bike Friday Sport manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Bike Friday Sport Folding here