BMC Roadmachine Four 2021
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Geometry
| 47 | 51 | 54 | 56 | 58 | 61 | |
|---|---|---|---|---|---|---|
| Add to Compare | ||||||
| Reach | 322 | 420 | 435 | 458 | 442 | 385 |
| Stack | 452 | 598 | 579 | 583 | 525 | 763 |
| Top Tube (effective) | 577 | 545 | 588 | 445 | 600 | 549 |
| Seat Tube C-T | 402 | 400 | 456 | 609 | 492 | 507 |
| Head Angle | 65 | 60 | 63 | 70 | 78 | 80 |
| Seat Angle | 76 | 89 | 62 | 63 | 63 | 77 |
| Head Tube | 109 | 131 | 158 | 153 | 244 | 194 |
| Chainstay | 474 | 425 | 341 | 429 | 423 | 437 |
| Wheelbase | 1082 | 799 | 997 | 1174 | 1001 | 894 |
| Front Centre | 695 | 628 | 500 | 586 | 742 | 681 |
| BB Drop | 73 | 76 | 66 | 78 | 81 | 82 |
| Fork Rake / Offset | 50 | 59 | 45 | 53 | 52 | 43 |
| Trail | 62 | 59 | 62 | 50 | 65 | 69 |
| Fork Length (A2C) | 382 | 338 | 390 | 429 | 401 | 350 |
| Tyre Max Width | 396 | 489 | 481 | 359 | 393 | 432 |
| Seatpost Length | 385 | 419 | 400 | 399 | 449 | 465 |
| Seatpost Offset | 13 | 14 | 12 | 14 | 12 | 13 |
| Stem Length | 102 | 75 | 100 | 102 | 118 | 131 |
| Stem Angle | ±8 | ±8 | ±8 | ±8 | ±8 | ±8 |
| Crank Length | 201 | 195 | 200 | 150 | 158 | 154 |
| Rider Height | <166 | 166-174 | 172-180 | 178-186 | 184-192 | >190 |
| HB Drop | 119 | 124 | 135 | 104 | 117 | 101 |
| HB Reach | 70 | 62 | 76 | 64 | 73 | 75 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Standard measurements are in millimeters and degrees. The site attempts to recognize and convert other units back to standard - results may vary.
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There is a Tailored Protection™ kit available for this bike.
