2023 Fuel EX
15
Specifications
Chainline (1x only)
55mm
Chainring (1x only)
Minimum
Maximum
28T
Round: 34T
Oval: 32T
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 2.5"
27.5" (XS and S frame)
27.5" x 2.5"
Bottom bracket /ISCG tabs
Bottom bracket
ISCG tabs
BSA 73
ISCG 05, 3 bolt
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.
Measurement
Maximum
insertion
Frame
Carbon Aluminum
XS
205mm
180mm
S (27.5” and 29”
wheels)
225mm
210mm
M
255mm
240mm
ML
266mm
250mm
L
281mm
265mm
XL
316mm
300mm
XXL
—
330mm
Seat tube inside diameter
34.9
Seat tube post clamp outer diam
-
eter
39.5
Fork
WARNING
Exceeding the recommended maximum fork length could
damage the bicycle and result in injury to the rider.
Travel
Sag
Axle to Crown
Frame/
Wheel Size
Axle to Race
(mm)
Travel
(mm)
XS and S
27.5" wheels
Recommended
534
140
Maximum
550
150
S, M, ML, L, XL, XXL
29" wheels
Recommended
562
150
Maximum
578
160
Refer to the suspension setup card included with your bike
or the suspension calculator at
t
rekbikes.com/suspension-calculator
.