Bird Aeris Mk 1/1.5 2015/16


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Geometry

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Reach 442 471 389 559 494
Stack 621 529 569 556 574
Top Tube (effective) 502 509 707 512 537
Seat Tube C-T 388 353 436 459 457
Head Angle 70 60 70 69 72
Seat Angle 79 60 83 84 66
Head Tube 123 122 137 101 125
Chainstay 498 435 365 407 436
Wheelbase 1234 1306 1012 1305 995
BB Drop 6 6 9 7 8
BB Height 333 385 368 402 301
BB Type BSA 73 BSA 73 BSA 73 BSA 73 BSA 73
Fork Rake / Offset 39 45 42 34 45
Axle to Crown 610 472
Seatpost Diameter 26 34 26 35 29
Axle Spacing 142x12 142x12 142x12 142x12 142x12
Wheel Size 25 22 24 23 24
Handlebar Width 760-800 760-800 760-800 760-800 760-800
Stem Length 32-50 32-50 32-50 32-50 32-50
Crank Length 197 163 166 180 155
Data Source Added by Bird Added by Bird Manufacturer Added by Bird Added by Bird

Measurements are in millimeters and degrees.

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