Bird Aeris Mk 1/1.5 2015/16

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Geometry

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Reach 419 421 429 384 486
Stack 497 569 653 620 677
Top Tube (effective) 672 696 641 526 562
Seat Tube C-T 419 461 484 508 489
Head Angle 54 53 53 63 77
Seat Angle 80 72 83 80 67
Head Tube 120 90 119 109 139
Chainstay 353 428 423 381 417
Wheelbase 1229 1232 1132 1125 1034
BB Drop 8 6 9 8 7
BB Height 350 339 321 286 369
BB Type BSA 73 BSA 73 BSA 73 BSA 73 BSA 73
Fork Rake / Offset 39 47 40 48 42
Axle to Crown 596 618
Seatpost Diameter 30 33 32 28 32
Axle Spacing 142x12 142x12 142x12 142x12 142x12
Wheel Size 31 29 22 30 27
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 146 139 167 160 139
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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