Rc1 Dimensions (in mm)
| X Large | Large | Medium | Small | X Small | |
| A | 615 | 600 | 585 | 570 | 555 |
| B | 500 | 475 | 450 | 425 | 400 |
| C | 115 | 110 | 105 | 100 | 95 |
| D | 424 | 422 | 420 | 418 | 416 |
| E | 71° | 71° | 71° | 71° | 71° |
| F | 73° | 73° | 73° | 73° | 73° |
| G | 445* | 445* | 445* | 445* | 445* |
| H | 290 | 290 | 290 | 290 | 290 |
| I | 2 | 2 | 2 | 2 | 2 |
*Recommended fork lenght: 440mm to 460 mm.
You can also use slightly longer or shorter forks; just realize that your Rc1 geometry will change as follows:
shorter fork = less stability at speed
longer fork = slower steering response
Frame weight is 1250gr.(2.7Lb).
It relates to the complete frameset, Medium size, Anodized finish.
Size weight changes as follows:
x-small -40gr.; small -20gr.; large +20gr.; x-large +40gr.
Add 80gr. for painted finish.
X-small and X-large sizes reqires 20 days of production leadtime.
"A-Shock" Microabsorber System
A-Shock
Extralite fits Rc1 framesets with an original microabsorber system called "A-Shock", with a degree of vertical compliance with no unwanted lateral flex it provides the ultimate combination of ultra efficiency and racing comfort.
Seatstays are able to absorb vertical loads (ca 2mm).
A-Shock comes with 3 different wishbone choices to match rider's weight: