Brother Big Bro 2020


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Geometry

  Small (16) Medium (18) Large (20) xLarge (22)
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Reach 421 348 347 415
Stack 717 507 648 697
Top Tube (effective) 631 510 543 665
Top Tube (actual) 536 541 538 714
Seat Tube C-T 389 497 548 643
Head Angle 59 73 73 75
Seat Angle 66 74 78 72
Head Tube 78 102 126 109
Chainstay 470 370 383 396
Wheelbase 1079 1104 1090 1147
Standover 808 862 883 801
BB Drop 54 49 53 68
Fork Rake / Offset 52 37 53 45
Fork Length (A2C) 511 470 452 497
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

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