FiftyOne Ras 2017

Please login now to see the numbers

We ask that you login after viewing so many bikes, to protect our data from thieving robots.

It's totally free - no password - no catch.


Select two bikes to compare.
Any bike, any page.

Reach 448
Stack 567
Top Tube (effective) 507
Seat Tube C-T 563
Head Angle 78
Seat Angle 74
Head Tube 149
Chainstay 419
Data Source Manufacturer

Note: Custom Geometry

Measurements are in millimeters and degrees.

New Search by Stack and Reach

You can now search the database by numbers.

Find bikes that match your geometry criteria.