STEM SELECTOR Perform the measurements and calculations below. Fit Reach mm
=A
Fit Reach is measured horizontally from the center of the bottom bracket to the rear of the armrest pad. It can be obtained from your current bike setup or from a bike fitting session.
Frame Reach
mm
=B
Spacers + Headset Cap
mm
=C
Frame coordinates are typically found on the frame manufacturer’s website. Frame Reach is measured horizontally from the center of the bottom bracket to the center of the steerer tube at the top of the head tube.
Cockpit Reach = A – B + ( 0.3 × C ) = ____ - ____ + ( 0.3 × ____ ) =
Using the Cockpit Reach value calculated above, target the center of the graph to choose your stem.
2
92
-18 -38
72 52
STEM SELECTOR HOW TO MEASURE FIT REACH: 1. Place the bike against the edge of a cabinet or door frame. 2. Center the bottom bracket on that edge. 3. Measure horizontally from that edge to the back of your pads.