Dahon ROCK HARD XT612 1999 VS Brompton L3 6-SPEED 2003 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 |
Brompton L3 6-speed
General Infos| Model | L3 6-speed |
| Manufacturer | Brompton |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
- Green - Red -Black |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 16 X 1 3/8 (inches) Brompton |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Aluminum Linear-pull Levers Brompton Aluminum Brakes |
| Hubs for disc brakes | Rear: SRAM Spectro P3 Nutted Front: Aluminum |
| Rims manufacturer | 28-hole Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 13ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | Brazed and welded |
| Handlebar construction | Brompton Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Brompton Folding |
| Headset size | 1 1/8 (inches) Threaded |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | YST Sealed Bearing |
| Crankset parts and sizes | 39/53 Teeth Stronglight |
| Gear shift levers | SRAM 9.0 Trigger |
| Rear gear set | 13 - 15 Teeth 2-speed |
Brompton L3 6-speed Fork System Data
| Derailleur (Front) | Top-pull and bottom Bracket Mount Campagnolo Veloce |
| Derailleur (Rear) | Brompton |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Brompton |
Other Specs of Brompton L3 6-speed
| Component group sets | Folding Mix |
| Pedals details | Brompton Folding |
| Rear shock absorber | 1.0 (inches) Travel Rubber Damper |
| Saddle seat | Optional |
| Seat post extension | Brompton Chromoly |
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 Brompton L3 6-speed manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Brompton L3 6-speed Folding here