Isaac Proton
General
Frame Sizes: 50, 52, 54, 56, 58, 60, 62
Weave: 3K Monocoque
Frame
Bracket: Pressfit (BB86,5/42mm)
Frame Technical Specifications
Headset: 1 1/8 - 1 1/2 Tapered
Seatpost: Isaac Carbon 31,6mm
Fork
Fork: Isaac 3K Monocoque
Bike Specifications
Group: Dura Ace 7900
Crankset: Dura Ace 7950 compact 34-50
Wheel set: FFWD F6R/DT 240 Isaac Branded
Tires: Schwalbe Ultremo ZX
Saddle: Selle Italia SLR XP
Handlebar tape: Lizard Skins DSP 2.5mm
Handlebar: Ritchey WCS Logic II
Stem: Ritchey WCS C-260
Weight sample bikes
7.260 size 56 black
| Dimension | size 50 | size 52 | size 54 | size 56 | size 58 | size 60 | |
| A | seat tube total lenght | 480 | 520 | 540 | 560 | 580 | 600,1 |
| A2 | seat tube joint | 439,9 | 470,6 | 494,9 | 513,3 | 519,8 | 542,1 |
| B | top tube lenght | 510 | 525,2 | 545,2 | 557,9 | 570 | 595 |
| C | seat tube angle | 75° | 74.5° | 74° | 74° | 73.5° | 73.5° |
| D | head tube | 124 | 144 | 160 | 176,5 | 189 | 214 |
| E | head tube angle | 71° | 72.5° | 73° | 73° | 73.5° | 73.5° |
| F | BB drop | 75 | 70 | 70 | 70 | 70 | 65 |
| G | BB to front wheel | 604,2 | 577,8 | 588,9 | 601,8 | 603,2 | 603,2 |
| H | chain stay | 406 | 406 | 406 | 406 | 406 | 406 |
| I | wheel base | 972,5 | 973,5 | 984,6 | 997,6 | 1000 | 1027,3 |
| J | fork rare | 43 | 43 | 43 | 43 | 43 | 43 |
| K | standover height | 746,7 | 769,9 | 787,7 | 797,2 | 825 | 849,2 |
| L | standover height offset | 122,9 | 132,5 | 142,4 | 147,9 | 158,3 | 164 |