2022 Carbon Rail 9.8 and 9.9
12
Specifications
Chainline (1x only)
52mm
•
Boost hub with offset chainring.
Chainring (1x only)
•
34T only
Rear brake mount
Minimum
Maximum
180mm, direct mount
Adaptable to 203mm
Maximum tire size
Notice:
Measurements of actual tires may vary. Always
verify there is sufficient clearance between the tire and
the frame. Improper tire size could damage the bicycle
frame. Trek recommends 6mm clearance above and on
the sides of the tire.
Wheel set
Maximum tire size
29"
29" x 2.6"
27.5" rear with the mino link in
the high position
27.5″ x 2.8″
Water bottle fit on small frames
Rail 9.8:
Use Bontrager Voda 15 bottle
9.9 with AirWiz:
There is not enough clearance to fit a
water bottle.
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
Frame
S
230mm
M
L
260mm
XL
310mm
2
Minimum insertion
75mm*
3
Seat tube inside diameter
34.9mm
Seat tube post clamp outer diameter
39.5mm
*Follow the seatpost manufacturer’s guidelines.
Kickstand mount
•
Requires kickstand mounting bracket W581379 and
two M6x1.0x25mm bolts
18mm
M6x1.0x25
W581379
