Bird Aeris 120 2017


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Geometry

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Reach 463 532 418 433
Stack 591 496 481 644
Top Tube (effective) 650 527 506 565
Seat Tube C-T 382 370 403 561
Head Angle 58 53 60 54
Seat Angle 74 70 68 66
Head Tube 99 123 136 141
Chainstay 344 462 373 374
Wheelbase 923 1192 1226 1335
Standover 787 627 735 810
BB Drop 21 21 16 21
BB Height 384 346 358 289
BB Type 73mm Threaded 73mm Threaded 73mm Threaded 73mm Threaded
Fork Rake / Offset 43 45 43 45
Fork Length (A2C) 448 641 606 521
Seatpost Diameter 34 25 25 33
Axle Spacing 148 x 12 148 x 12 148 x 12 148 x 12
Wheel Size 650B 650B 650B 650B
Rear Travel 110 122 109 129
Shock Size 210 x 55 210 x 55 210 x 55 210 x 55
Headset Tapered Tapered Tapered Tapered
Seat Clamp 30 31 34 38
Data Source Manufacturer Manufacturer Manufacturer Manufacturer

Measurements are in millimeters and degrees.

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