Trek proprietary headset conversion cup for your Session.
Features
– Makes Session 29 compatible with 27.5″ wheels
– Must be used with the seatstay pivot Mino link in the high position
– Not needed for mullet set ups with 29er front wheels
– Not backwards compatible to other Session models due to deeper cup insertion
– Confirm the 27.5″ dual crown fork to be used has the needed steer tube length
– Cup adds 26.7mm of stack below
– All sizes of Session feature 117mm head tube heights
– Installs with a standard headset press
