Bird Aeris 145 2017

Please login now to unscramble the numbers

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

The data shown below is now total nonsense.

You need to login to continue.

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

Geometry

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

  S M ML L XL
Compare
Reach 512 467 525 595 606
Stack 670 596 482 559 592
Top Tube (effective) 566 713 647 671 565
Seat Tube C-T 425 427 519 471 586
Head Angle 58 57 53 77 67
Seat Angle 71 84 76 76 86
Head Tube 120 106 105 101 109
Chainstay 358 483 419 398 502
Wheelbase 1305 1047 1095 1231 1327
Standover 726 681 639 584 605
BB Drop 10 9 10 11 9
BB Height 313 368 382 390 358
Axle to Crown 630 632 630 500 558
Seatpost Diameter 33 33 34 36 37
Axle Spacing 138 173 143 176 126
Wheel Size 684 764 526 706 655
Rear Travel 138 158 123 151 170
Data Source Manufacturer Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees, unless otherwise noted.

Problem? Edit Bike - Edit Geometry

If you like the site, can we ask a favor?

Click now, buy soon, and we'll get a few cents.

Jenson USA - Performance Bicycle - Competitive Cyclist

Thank you! Bob & Dave

Like this project? Subscribe for occasional emails about new things. No Spam. Promise.