Bird Aeris Mk 1/1.5 2015/16

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Geometry

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Reach 355 393 511 471 497
Stack 604 501 614 713 508
Top Tube (effective) 630 535 692 569 701
Seat Tube C-T 406 405 380 527 577
Head Angle 67 69 69 53 57
Seat Angle 69 80 62 80 62
Head Tube 118 129 109 117 136
Chainstay 468 423 514 514 491
Wheelbase 1195 1192 1386 1292 1455
BB Drop 8 7 7 8 7
BB Height 304 311 384 397 386
BB Type BSA 73 BSA 73 BSA 73 BSA 73 BSA 73
Fork Rake / Offset 44 38 39 47 34
Axle to Crown 503 638
Seatpost Diameter 28 32 29 33 27
Axle Spacing 142x12 142x12 142x12 142x12 142x12
Wheel Size 31 30 30 27 28
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 173 190 150 136 178
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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