Bird Aeris 120 2017


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Geometry

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Reach 486 525 484 529
Stack 677 695 673 518
Top Tube (effective) 489 504 729 752
Seat Tube C-T 328 390 353 482
Head Angle 63 74 58 68
Seat Angle 79 73 74 75
Head Tube 122 127 116 112
Chainstay 357 357 482 426
Wheelbase 1016 1293 1014 980
Standover 745 699 671 682
BB Drop 17 18 16 18
BB Height 352 381 343 333
BB Type 73mm Threaded 73mm Threaded 73mm Threaded 73mm Threaded
Fork Rake / Offset 34 47 46 40
Fork Length (A2C) 588 595 436 501
Seatpost Diameter 29 35 37 29
Axle Spacing 148 x 12 148 x 12 148 x 12 148 x 12
Wheel Size 650B 650B 650B 650B
Rear Travel 138 125 140 103
Shock Size 210 x 55 210 x 55 210 x 55 210 x 55
Headset Tapered Tapered Tapered Tapered
Seat Clamp 30 31 30 37
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

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