Mason Definition 2019


Please login now to see the numbers

We ask that you login after viewing so many bikes, to protect our data from thieving robots.

It's totally free - no password - no catch.

Geometry

  50CM 52CM 54CM 56CM 58CM 60CM 62CM
Add to Compare
Reach 454 411 438 459 333 340 462
Stack 491 555 573 598 583 560 598
Top Tube (effective) 506 488 578 591 656 633 594
Top Tube (actual) 614 539 540 488 554 534 704
Seat Tube C-T 461 584 549 640 618 636 700
Seat Tube C-C 533 537 435 609 565 569 550
Head Angle 73 75 77 76 58 82 85
Seat Angle 68 67 61 81 79 70 76
Head Tube 148 147 128 165 158 184 198
Chainstay 453 442 489 396 410 388 396
Wheelbase 940 1107 1119 1146 898 913 947
Front Centre 556 672 550 676 647 602 626
Standover 840 671 711 718 701 767 753
BB Drop 77 68 82 72 83 61 60
Trail 67 58 54 58 71 71 55
Fork Length (A2C) 327 413 405 454 358 422 346
Axle Spacing 152 114 142 151 153 158 141
Stem Length 83 91 95 130 101 120 132
Crank Length 137 163 158 152 178 205 206
HB Reach 48 36 51 37 41 41 46
Frame Weight TBC TBC TBC TBC TBC TBC TBC
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

New Search by Stack and Reach

You can now search the database by numbers.

Find bikes that match your geometry criteria.