Info you will need to build your Mod Zero frame
| Headtube | 44mm I.D. |
| Headset | ZS44 upper, EC44 lower, 30mm crown race for stock fork |
| Fork | Straight 1 1/8″ steerer, 350mm long |
| Bottom Bracket | BSA threaded, 68mm width |
| Crankset Compatibility | Standard road compact double 50/34. Newer, wider gravel cranks are compatible. 42t maximum ring size for 1x crank |
| Front Derailleur | 28.6mm road front derailleur clamp, bottom pull |
| Wheel/Tire Size | Max tire size 650b/27.5″ x 2.25″ or 700c/29″ x 50mm |
| Seatpost | 27.2mm |
| Seat Clamp | 30.0mm (included) |
| Dropper Compatibility | Internally routed housing, optimized for 100mm – 120mm travel based on correct frame size |
| Brake Compatibility | Flat mount front and rear |
| Rear Caliper Bolt Size | The frame mount for the brake caliper is 10mm thick. Use what the brake manufacturer recommends with a 10mm frame mount – generally 17mm – 20mm long. Check with the brake manufacturer for their recommendations when in doubt. |
| Rotor | 140mm minimum front and rear, 160mm maximum front and rear |
| Hub Spacing | 100mm x 12mm front, 142mm x 12mm rear |
| Front Axle | 12mm x 1.5mm thread pitch, overall length 125mm, included w/ frame. Compatible after-market axle is Robert Axle Project LIG 505 |
| Rear Axle | V1 frames – 12mm x 1.5mm thread pitch, overall length 168mm, included w/ frame. Compatible after-market axle is Robert Axle Project LIG 629 V2 frames – 12mm x 1.0mm thread pitch overall length 167mm, included w/ frame. Compatible after-market axle is Robert Axle Project LIG 603 |
| Rack and Fender Fitment | Multiple on fork and frame, fender mounts |
| Water bottle mounts | Three on 44cm, 47cm, 50cm; four on 53cm, 56cm, 59cm. Triple “anything” cage mounts on both fork legs and on bottom side of down tube. |
| Fenders | Yes. Maximum fender/tire width for 700c wheels – approximately 55mm/42mm. Maximum fender/tire width for 650b wheels – approximately 60mm/48mm |
| Other | V1 frames use a Long Shen #LR27-3A hanger – available from Soma Fab V2 frames use a SRAM Universal Derailleur Hanger (UDH) |
| Frame Saver? | All frames are coated inside and out with a corrosion resistant black electrophoretic deposition (BED) coating. A frame saver spray isn’t necessary, but if you are going to ride in a wet area, a shot of Frame Saver™ or Boeshield® couldn’t hurt, especially in the lower part of the frame were moisture could collect. |
| Frame/Fork Weight | Coming… |
| Mod Zero | 44cm | 47cm | 50cm | 53cm | 56cm | 59cm |
| Seat Tube (c-t) | 440 | 470 | 500 | 530 | 560 | 590 |
| Head Angle | 71° | 71.5° | 71.5° | 72° | 72° | 72° |
| Seat Angle | 74° | 73.5° | 73° | 73° | 72.5° | 72.5° |
| Top Tube (effective) | 530 | 540 | 555 | 575 | 595 | 615 |
| Chain Stay | 438 | 438 | 438 | 438 | 438 | 438 |
| BB Drop | 72 | 72 | 72 | 70 | 70 | 70 |
| Head Tube Length | 120 | 140 | 160 | 180 | 200 | 220 |
| Fork Length | 410 | 410 | 410 | 410 | 410 | 410 |
| Fork Offset | 55 | 55 | 55 | 50 | 50 | 50 |
| Trail | 64.1 | 60.8 | 60.8 | 62.8 | 62.8 | 62.8 |
| Stack | 567 | 588 | 607 | 627 | 646 | 665 |
| Reach | 368 | 366 | 370 | 383 | 391 | 405 |
| Standover | 756 | 778 | 802 | 828 | 851 | 875 |
| Front Center | 600 | 601 | 611 | 621 | 635 | 655 |
| Wheelbase | 1028 | 1029 | 1039 | 1049 | 1063 | 1084 |
Size / Fit Recommendations. For more sizing info check out the Sizing page.
| Frame Size | Minimum Seat Height | Maximum Seat Height | Rider Height Range |
| 44cm | 63cm | 69cm | 5’0” – 5’5” |
| 47cm | 67cm | 73cm | 5’4” – 5’8” |
| 50cm | 72cm | 77cm | 5’7” – 5’11” |
| 53cm | 75cm | 80cm | 5’10” – 6’1” |
| 56cm | 78cm | 83cm | 6’0” – 6’3” |
| 59cm | 81cm | 87cm | 6’2” + |