Bird Aeris Mk 1/1.5 2015/16

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Geometry

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Reach 490 416 383 377 501
Stack 645 540 586 647 498
Top Tube (effective) 611 675 732 759 744
Seat Tube C-T 385 412 399 495 564
Head Angle 78 63 76 65 67
Seat Angle 84 75 82 67 61
Head Tube 109 118 129 118 129
Chainstay 375 429 500 468 419
Wheelbase 985 1059 1314 1256 1200
BB Drop 8 6 9 7 6
BB Height 346 407 303 361 383
BB Type BSA 73 BSA 73 BSA 73 BSA 73 BSA 73
Fork Rake / Offset 44 47 50 38 41
Axle to Crown 568 517
Seatpost Diameter 27 26 30 28 28
Axle Spacing 142x12 142x12 142x12 142x12 142x12
Wheel Size 24 27 32 32 22
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 153 192 149 178 175
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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