Mason Definition 2015
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Geometry
| Add to Compare |
| Reach |
| Stack |
| Top Tube (effective) |
| Top Tube (actual) |
| Seat Tube C-T |
| Seat Tube C-C |
| Head Angle |
| Seat Angle |
| Head Tube |
| Chainstay |
| Wheelbase |
| Front Centre |
| Standover |
| BB Drop |
| Fork Rake / Offset |
| Trail |
| Fork Length (A2C) |
| Axle Spacing |
| Handlebar Width |
| Stem Length |
| Crank Length |
| Data Source |
| 50CM | 52CM | 54CM | 56CM | 58CM | 60CM | |
|---|---|---|---|---|---|---|
| Add to Compare | ||||||
| Reach | 427 | 349 | 344 | 464 | 436 | 415 |
| Stack | 524 | 468 | 525 | 554 | 579 | 547 |
| Top Tube (effective) | 551 | 582 | 614 | 502 | 661 | 507 |
| Top Tube (actual) | 453 | 585 | 568 | 486 | 534 | 618 |
| Seat Tube C-T | 554 | 540 | 476 | 498 | 519 | 700 |
| Seat Tube C-C | 532 | 549 | 556 | 464 | 628 | 461 |
| Head Angle | 80 | 61 | 75 | 78 | 60 | 77 |
| Seat Angle | 78 | 66 | 62 | 66 | 81 | 65 |
| Head Tube | 138 | 166 | 130 | 185 | 179 | 195 |
| Chainstay | 458 | 360 | 477 | 359 | 423 | 499 |
| Wheelbase | 1078 | 987 | 919 | 1077 | 1066 | 1118 |
| Front Centre | 532 | 574 | 519 | 626 | 658 | 700 |
| Standover | 767 | 874 | 786 | 719 | 660 | 881 |
| BB Drop | 62 | 76 | 72 | 74 | 78 | 67 |
| Fork Rake / Offset | 40 | 38 | 36 | 40 | 51 | 45 |
| Trail | 73 | 67 | 66 | 75 | 66 | 53 |
| Fork Length (A2C) | 405 | 437 | 413 | 443 | 367 | 340 |
| Axle Spacing | 135 | 116 | 113 | 138 | 129 | 118 |
| Handlebar Width | 40 | 48 | 37 | 43 | 51 | 41 |
| Stem Length | 94 | 96 | 107 | 129 | 107 | 135 |
| Crank Length | 193 | 183 | 173 | 197 | 158 | 153 |
| Data Source | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Manufacturer |
Select 
two sizes then 'Compare'
two sizes then 'Compare'Measurements are in millimeters and degrees.
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