Specialized Sirrus Geometry Chart
Geometry
| XXS | XS | S | M | L | XL | |
|---|---|---|---|---|---|---|
| Crank Length | 165mm | 165mm | 170mm | 170mm | 175mm | 175mm |
| Stem Length | 60mm | 60mm | 70mm | 80mm | 90mm | 100mm |
| Handlebar Width | 680mm | 680mm | 680mm | 680mm | 680mm | 680mm |
| Seatpost Length | 300mm | 300mm | 350mm | 350mm | 400mm | 400mm |
| Saddle Width | 155mm | 155mm | 155mm | 143mm | 143mm | 143mm |
| Stack | 536mm | 555mm | 563mm | 593mm | 608mm | 633mm |
| Reach | 373mm | 388mm | 393mm | 398mm | 402mm | 414mm |
| Head-Tube Length | 121mm | 139mm | 147mm | 175mm | 191mm | 217mm |
| Head-Tube Angle | 69.5° | 70° | 70° | 71° | 71° | 71° |
| B-B Height | 288mm | 288mm | 288mm | 288mm | 288mm | 288mm |
| B-B Drop | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm |
| Trail | 79mm | 76mm | 76mm | 69mm | 69mm | 69mm |
| Fork Length (full) | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm |
| Fork Rake/Offset | 51mm | 51mm | 51mm | 51mm | 51mm | 51mm |
| Front-Center | 606mm | 623mm | 631mm | 636mm | 645mm | 665mm |
| Chain-Stay Length | 440mm | 440mm | 440mm | 440mm | 440mm | 440mm |
| Wheelbase | 1036mm | 1053mm | 1061mm | 1067mm | 1076mm | 1096mm |
| Top-Tube Length (horizontal) | 532mm | 552mm | 560mm | 574mm | 582mm | 602mm |
| Bike Stand-Over Height | 702mm | 725mm | 755mm | 785mm | 815mm | 837mm |
| Seat-Tube Length | 360mm | 395mm | 440mm | 470mm | 510mm | 530mm |
| Seat-Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |