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	404	445	419
Stack	650	502	557
Top Tube (effective)	612	571	466
Seat Tube C-T	429	563	592
Head Angle	62	79	71
Seat Angle	79	75	71
Head Tube	139	154	167
Chainstay	457	433	404
Wheelbase	1042	1015	911
Front Centre	747	669
Standover	786	919	862
BB Drop	71 +/-5	62	62
BB Height			278
Fork Rake / Offset	42	46	51
Trail	63
Fork Length (A2C)	363		387
Seatpost Length	336
Handlebar Width	631
Stem Length	131
Stem Angle	±12
Crank Length	205
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.