Bird Aeris Mk 1/1.5 2015/16

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Geometry

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  XS S M L XL
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Reach 403 513 399 487 471
Stack 696 699 596 551 658
Top Tube (effective) 589 514 709 515 711
Seat Tube C-T 452 459 489 540 458
Head Angle 55 67 64 55 54
Seat Angle 62 70 72 82 82
Head Tube 124 120 102 131 121
Chainstay 501 439 513 489 464
Wheelbase 1344 1301 1248 1377 1042
BB Drop 8 7 9 6 8
BB Height 368 408 366 333 320
BB Type BSA 73 BSA 73 BSA 73 BSA 73 BSA 73
Fork Rake / Offset 49 33 39 36 40
Axle to Crown 521 610
Seatpost Diameter 34 25 35 29 33
Axle Spacing 142x12 142x12 142x12 142x12 142x12
Wheel Size 31 25 28 29 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 198 167 171 198 158
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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