Bird Aeris 120 2017


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

Select two bikes to compare.
Any bike, any page.

  Small Medium Medium/Large Large
Add to Compare
Reach 460 396 562 466
Stack 693 669 685 709
Top Tube (effective) 676 614 523 681
Seat Tube C-T 366 460 490 394
Head Angle 59 58 70 61
Seat Angle 83 75 62 68
Head Tube 109 93 128 123
Chainstay 456 477 409 447
Wheelbase 1085 1088 1301 1045
Standover 796 586 793 727
BB Drop 18 22 17 19
BB Height 387 283 303 280
BB Type 73mm Threaded 73mm Threaded 73mm Threaded 73mm Threaded
Fork Rake / Offset 44 41 38 42
Fork Length (A2C) 520 444 485 555
Seatpost Diameter 29 33 26 37
Axle Spacing 148 x 12 148 x 12 148 x 12 148 x 12
Wheel Size 650B 650B 650B 650B
Rear Travel 120 101 129 132
Shock Size 210 x 55 210 x 55 210 x 55 210 x 55
Headset Tapered Tapered Tapered Tapered
Seat Clamp 41 39 38 35
Data Source 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.