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	BMC Alpenchallenge AC01 2017: L	GT Grade Alloy 2018: L (56)	Orbea Gain M 2018: L
Choose Baseline
Reach	405	416	351
Stack	552	600	625
Top Tube (effective)	547	558	593
Seat Tube C-T	555	454	454
Head Angle	82	74	66
Seat Angle	63	80	72
Head Tube	156	157	156
Chainstay	459	367	453
Wheelbase	1001	988	1000
Front Centre	618	702
Standover	647	753	875
BB Drop	71 +/-5	74	70
BB Height			304
Fork Rake / Offset	51	51	41
Trail	63
Fork Length (A2C)	369		472
Seatpost Length	311
Handlebar Width	548
Stem Length	124
Stem Angle	±12
Crank Length	158
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	BMC Alpenchallenge AC01 2017: L	GT Grade Alloy 2018: L (56)	Orbea Gain M 2018: L

Image showing geometry measurements

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