You are using a browser that does not support javascript. Some aspects of this site may not work as intended.

Prove Humanity: Please click here to start.

You should not have to do this more than once.
If you continue to see this message, please email hello@[the site's address] for support.

c

Compare Bikes

To view geometry data you must use a web browser that supports JavaScript. See: browser-update.org


	BMC Alpenchallenge AC01 2017: L	GT Grade Alloy 2018: L (56)	Orbea Gain M 2018: L
Choose Baseline
Reach	390	361	420
Stack	510	550	454
Top Tube (effective)	488	462	462
Seat Tube C-T	510	511	475
Head Angle	83	57	72
Seat Angle	61	75	60
Head Tube	176	189	164
Chainstay	385	482	488
Wheelbase	1137	1152	1105
Front Centre	741	586
Standover	818	753	803
BB Drop	71 +/-5	66	56
BB Height			243
Fork Rake / Offset	46	47	45
Trail	69
Fork Length (A2C)	470		319
Seatpost Length	383
Handlebar Width	692
Stem Length	124
Stem Angle	±12
Crank Length	166
Remove
	BMC Alpenchallenge AC01 2017: L	GT Grade Alloy 2018: L (56)	Orbea Gain M 2018: L

Image showing geometry measurements

If you like the site, can we ask a favor?

Click now, buy soon, and we'll get a few cents.

Jenson USA - Competitive Cyclist

Thank you! Bob & Dave

Also! Search by Stack and Reach

You can now search the database by numbers.

Find bikes that match your geometry criteria.