Road Bikes > D-503 Road
The D-503 is carbon monocogue race machine. The asymetric headset gives stiffness where it is needed and our proprietary carbon lay-up assures toughness as well as stiffness.
Warranty on all road and TT frames is 5 years with a $300 crash replacment credit.
D-503 Frame/Fork Specifications:
| Weight (size 56, frame only) | 1 kg (2.2 lbs) |
| Materials | Variable layer high tensile and high modulus carbon fiber blend |
| Bonding | Monocoque |
| Rear derailluer hanger | Forged polished alloy, replaceable |
| Seat post diameter | 31.6 mm |
| Front derailleur diameter | Braze on |
| Headset | Integrated asymetric 1.5" × 1.125" |
| Bottom bracket | 85 mm outer diameter, 68 mm width |
| Fork | Asymetric 1.5" × 1.125" with 43 mm rake |
Road Frame Geometry:
| Frame size (CT) | 52 | 54 | 56 | 58 | 60 | 62 |
| Horizontal Top Tube (mm) | 534 | 553 | 561 | 581 | 590 | 610 |
| Head Tube Angle | 72.75 | 73 | 73.25 | 73.25 | 73.5 | 73.5 |
| Seat Tube Angle | 74.5 | 73.5 | 73.25 | 73 | 72.75 | 72.75 |
| Head Tube Length | 110 | 130 | 150 | 170 | 190 | 210 |
| Bottom Bracket Drop | 72.5 | 72.5 | 70 | 70 | 67.5 | 67.5 |
| Wheel Base | 972.1 | 979.4 | 980.6 | 1002.9 | 1007.6 | 1027.4 |
| Fork Offset | 43 | 43 | 43 | 43 | 43 | 43 |
| Chain stay Length | 405 | 405 | 405 | 410 | 410 | 410 |
| Front Center | 578.2 | 585.4 | 585.9 | 603 | 607 | 626.6 |