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 451 394 366 318 370 369 397
Stack 563 443 670 568 566 606 556
Top Tube (effective) 620 551 606 475 686 529 672
Top Tube (actual) 454 552 497 576 524 461 504
Seat Tube C-T 555 485 434 449 479 594 523
Seat Tube C-C 481 534 402 505 532 638 528
Head Angle 74 63 85 72 80 69 85
Seat Angle 65 82 62 63 77 60 61
Head Tube 118 131 150 181 180 225 194
Chainstay 340 371 500 378 453 384 483
Wheelbase 1017 1077 1032 1052 1079 1147 1154
Front Centre 650 679 559 534 499 532 711
Standover 759 820 813 921 822 691 727
BB Drop 84 74 65 66 74 64 58
Trail 74 67 57 57 60 58 62
Fork Length (A2C) 357 349 455 411 422 365 410
Axle Spacing 116 129 132 116 125 162 143
Stem Length 87 90 94 120 96 109 97
Crank Length 145 152 193 204 208 184 164
HB Reach 39 40 51 43 43 48 52
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.