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Bird Aeris Mk 1/1.5 2015/16


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Geometry

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Reach 431 481 375 449 528
Stack 521 626 679 597 710
Top Tube (effective) 506 716 515 637 530
Seat Tube C-T 425 379 370 522 423
Head Angle 56 77 74 60 60
Seat Angle 84 85 80 77 60
Head Tube 103 126 134 127 151
Chainstay 418 463 463 355 427
Wheelbase 966 1075 1376 996 1195
BB Drop 6 7 8 6 7
BB Height 408 351 381 336 309
BB Type BSA 73 BSA 73 BSA 73 BSA 73 BSA 73
Fork Rake / Offset 41 33 48 46 43
Axle to Crown 508 472
Seatpost Diameter 27 28 34 27 27
Axle Spacing 142x12 142x12 142x12 142x12 142x12
Wheel Size 22 23 24 22 23
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 139 157 146 143 146
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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