2022 Session Service Manual
14
Specications
Chainline (1x only)
55.5–58.5mm
Chainring (1x only)
Minimum 32T
Maximum 38T
Rear brake mount
Minimum 180mm, direct mount
Maximum 220 mm
Maximum tyre size
Notice: Measurements of actual tyres may vary. Always
verifythereissufcientclearancebetweenthetyreand
the frame. Improper tyre size could damage the bicycle
frame. Trek recommends 6mm clearance above and on
the sides of the tyre.
Wheel set Maximum tyre size
29" 29.0" x 2.60"
27.5" 27.5" x 2.60"
Combination of
29" and 27.5"
27.5” x 2.60”
Seat post
WARNING
Always follow the seatpost manufacturer’s minimum
insertion recommendation. Failure to follow the recom-
mendation could cause damage to the seatpost and
result in injury to the rider.
1
3
2
Item Measurement
1 Maximum
insertion
R1 frame 131 mm
R2 frame 167 mm
R3 frame 170 mm
2 Minimum insertion 75mm*
3 Diameter 31.6 mm
*Follow the seatpost manufacturer guidelines.
Bottom bracket
• BSA83 threaded