2021 Trek Bikes Fuel EX 9.8

Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Suspension
140mm fork travel
Features
Disc brake
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

XS 14 (27.5") High
XS 14 (27.5") High
XS 14 (27.5") Low
XS 14 (27.5") Low
S 15.5 (27.5") High
S 15.5 (27.5") High
S 15.5 (27.5" wheel) Low
S 15.5 (27.5" wheel) Low
S 15.5 (29") High
S 15.5 (29") High
S 15.5 (29") Low
S 15.5 (29") Low
M 17.5 (29") High
M 17.5 (29") High
M 17.5 (29") Low
M 17.5 (29") Low
ML 18.5 (29") High
ML 18.5 (29") High
ML 18.5 (29") Low
ML 18.5 (29") Low
L 19.5 (29") High
L 19.5 (29") High
L 19.5 (29") Low
L 19.5 (29") Low
XL 21.5 (29") High
XL 21.5 (29") High
XL 21.5 (29") Low
XL 21.5 (29") Low
Stack
563mm
563mm
559mm
559mm
572mm
572mm
568mm
568mm
609mm
609mm
605mm
605mm
609mm
609mm
605mm
605mm
613mm
613mm
609mm
609mm
613mm
613mm
609mm
609mm
627mm
627mm
623mm
623mm
Reach
395mm
395mm
400mm
400mm
415mm
415mm
420mm
420mm
415mm
415mm
420mm
420mm
440mm
440mm
445mm
445mm
455mm
455mm
460mm
460mm
470mm
470mm
475mm
475mm
495mm
495mm
500mm
500mm
Stack to Reach Ratio
1.43:1
1.43:1
1.4:1
1.4:1
1.38:1
1.38:1
1.35:1
1.35:1
1.47:1
1.47:1
1.44:1
1.44:1
1.38:1
1.38:1
1.36:1
1.36:1
1.35:1
1.35:1
1.32:1
1.32:1
1.3:1
1.3:1
1.28:1
1.28:1
1.27:1
1.27:1
1.25:1
1.25:1
Seat Tube Length, C-T
356mm
356mm
356mm
356mm
395mm
395mm
395mm
395mm
395mm
395mm
395mm
395mm
420mm
420mm
420mm
420mm
435mm
435mm
435mm
435mm
450mm
450mm
450mm
450mm
500mm
500mm
500mm
500mm
Top Tube Length, Effective/Horizontal HT Top
546mm
546mm
545mm
545mm
568mm
568mm
567mm
567mm
578mm
578mm
577mm
577mm
603mm
603mm
602mm
602mm
619mm
619mm
618mm
618mm
634mm
634mm
633mm
633mm
663mm
663mm
662mm
662mm
Top Tube Slope
24.2deg
24.2deg
23.7deg
23.7deg
20.2deg
20.2deg
19.7deg
19.7deg
23.7deg
23.7deg
23.2deg
23.2deg
20.3deg
20.3deg
19.8deg
19.8deg
18.8deg
18.8deg
18.3deg
18.3deg
16.9deg
16.9deg
16.4deg
16.4deg
13deg
13deg
12.5deg
12.5deg
Head Tube Angle
66deg
66deg
66.5deg
66.5deg
66deg
66deg
66.5deg
66.5deg
66deg
66deg
66.5deg
66.5deg
66deg
66deg
66.5deg
66.5deg
66deg
66deg
66.5deg
66.5deg
66deg
66deg
66.5deg
66.5deg
66deg
66deg
66.5deg
66.5deg
Seat Tube Angle
75deg
75deg
75.5deg
75.5deg
75deg
75deg
75.5deg
75.5deg
75deg
75deg
75.5deg
75.5deg
75deg
75deg
75.5deg
75.5deg
75deg
75deg
75.5deg
75.5deg
75deg
75deg
75.5deg
75.5deg
75deg
75deg
75.5deg
75.5deg
Head Tube Length
90mm
90mm
90mm
90mm
100mm
100mm
100mm
100mm
100mm
100mm
100mm
100mm
100mm
100mm
100mm
100mm
105mm
105mm
105mm
105mm
105mm
105mm
105mm
105mm
120mm
120mm
120mm
120mm
Bottom Bracket Drop
21mm
21mm
14mm
14mm
21mm
21mm
14mm
14mm
34mm
34mm
28mm
28mm
34mm
34mm
28mm
28mm
34mm
34mm
28mm
28mm
34mm
34mm
27mm
27mm
34mm
34mm
27mm
27mm
Bottom Bracket Height
337mm
337mm
344mm
344mm
337mm
337mm
344mm
344mm
343mm
343mm
349mm
349mm
343mm
343mm
349mm
349mm
343mm
343mm
349mm
349mm
343mm
343mm
350mm
350mm
343mm
343mm
350mm
350mm
Chainstay Length
437mm
437mm
436mm
436mm
437mm
437mm
436mm
436mm
437mm
437mm
436mm
436mm
437mm
437mm
436mm
436mm
437mm
437mm
436mm
436mm
437mm
437mm
436mm
436mm
437mm
437mm
436mm
436mm
Chainstay Length Horizontal
436.5mm
436.5mm
435.8mm
435.8mm
436.5mm
436.5mm
435.8mm
435.8mm
435.7mm
435.7mm
435.1mm
435.1mm
435.7mm
435.7mm
435.1mm
435.1mm
435.7mm
435.7mm
435.1mm
435.1mm
435.7mm
435.7mm
435.2mm
435.2mm
435.7mm
435.7mm
435.2mm
435.2mm
Front-Center
683.8mm
683.8mm
683.4mm
683.4mm
707.8mm
707.8mm
707.4mm
707.4mm
719.1mm
719.1mm
718.5mm
718.5mm
744.1mm
744.1mm
743.4mm
743.4mm
761.1mm
761.1mm
760.4mm
760.4mm
776.1mm
776.1mm
775.3mm
775.3mm
807mm
807mm
806.3mm
806.3mm
Front-Center Horizontal
683.5mm
683.5mm
683.2mm
683.2mm
707.5mm
707.5mm
707.2mm
707.2mm
718.3mm
718.3mm
717.9mm
717.9mm
743.3mm
743.3mm
742.9mm
742.9mm
760.3mm
760.3mm
759.9mm
759.9mm
775.3mm
775.3mm
774.8mm
774.8mm
806.3mm
806.3mm
805.8mm
805.8mm
Wheelbase
1120mm
1120mm
1119mm
1119mm
1144mm
1144mm
1143mm
1143mm
1154mm
1154mm
1153mm
1153mm
1179mm
1179mm
1178mm
1178mm
1196mm
1196mm
1195mm
1195mm
1211mm
1211mm
1210mm
1210mm
1242mm
1242mm
1241mm
1241mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
Trail
112.3mm
very high
112.3mm
very high
108.8mm
very high
108.8mm
very high
112.3mm
very high
112.3mm
very high
108.8mm
very high
108.8mm
very high
120.8mm
very high
120.8mm
very high
117.1mm
very high
117.1mm
very high
120.8mm
very high
120.8mm
very high
117.1mm
very high
117.1mm
very high
120.8mm
very high
120.8mm
very high
117.1mm
very high
117.1mm
very high
120.8mm
very high
120.8mm
very high
117.1mm
very high
117.1mm
very high
120.8mm
very high
120.8mm
very high
117.1mm
very high
117.1mm
very high
Mechanical Trail
102.6mm
102.6mm
99.8mm
99.8mm
102.6mm
102.6mm
99.8mm
99.8mm
110.4mm
110.4mm
107.3mm
107.3mm
110.4mm
110.4mm
107.3mm
107.3mm
110.4mm
110.4mm
107.3mm
107.3mm
110.4mm
110.4mm
107.3mm
107.3mm
110.4mm
110.4mm
107.3mm
107.3mm
Wheel Flop
41.7mm
41.7mm
39.8mm
39.8mm
41.7mm
41.7mm
39.8mm
39.8mm
44.9mm
44.9mm
42.8mm
42.8mm
44.9mm
44.9mm
42.8mm
42.8mm
44.9mm
44.9mm
42.8mm
42.8mm
44.9mm
44.9mm
42.8mm
42.8mm
44.9mm
44.9mm
42.8mm
42.8mm
Standover Height
695mm
695mm
700mm
700mm
702mm
702mm
708mm
708mm
702mm
702mm
708mm
708mm
741mm
741mm
747mm
747mm
746mm
746mm
752mm
752mm
748mm
748mm
754mm
754mm
770mm
770mm
776mm
776mm
Tire to Pedal Spindle
155.8mm
170 mm cranks
155.8mm
170 mm cranks
155.3mm
170 mm cranks
155.3mm
170 mm cranks
179.8mm
170 mm cranks
179.8mm
170 mm cranks
179.3mm
170 mm cranks
179.3mm
170 mm cranks
172.1mm
170 mm cranks
172.1mm
170 mm cranks
171.4mm
170 mm cranks
171.4mm
170 mm cranks
192.1mm
175 mm cranks
192.1mm
175 mm cranks
191.4mm
175 mm cranks
191.4mm
175 mm cranks
209mm
175 mm cranks
209mm
175 mm cranks
208.4mm
175 mm cranks
208.4mm
175 mm cranks
224mm
175 mm cranks
224mm
175 mm cranks
223.3mm
175 mm cranks
223.3mm
175 mm cranks
255mm
175 mm cranks
255mm
175 mm cranks
254.3mm
175 mm cranks
254.3mm
175 mm cranks
Pedal Spindle to Ground Clearance
167mm
170 mm cranks
167mm
170 mm cranks
174mm
170 mm cranks
174mm
170 mm cranks
167mm
170 mm cranks
167mm
170 mm cranks
174mm
170 mm cranks
174mm
170 mm cranks
173mm
170 mm cranks
173mm
170 mm cranks
179mm
170 mm cranks
179mm
170 mm cranks
168mm
175 mm cranks
168mm
175 mm cranks
174mm
175 mm cranks
174mm
175 mm cranks
168mm
175 mm cranks
168mm
175 mm cranks
174mm
175 mm cranks
174mm
175 mm cranks
168mm
175 mm cranks
168mm
175 mm cranks
175mm
175 mm cranks
175mm
175 mm cranks
168mm
175 mm cranks
168mm
175 mm cranks
175mm
175 mm cranks
175mm
175 mm cranks

9.8 Build

XS 14 (27.5") High
XS 14 (27.5") High
XS 14 (27.5") Low
XS 14 (27.5") Low
S 15.5 (27.5") High
S 15.5 (27.5") High
S 15.5 (27.5" wheel) Low
S 15.5 (27.5" wheel) Low
S 15.5 (29") High
S 15.5 (29") High
S 15.5 (29") Low
S 15.5 (29") Low
M 17.5 (29") High
M 17.5 (29") High
M 17.5 (29") Low
M 17.5 (29") Low
ML 18.5 (29") High
ML 18.5 (29") High
ML 18.5 (29") Low
ML 18.5 (29") Low
L 19.5 (29") High
L 19.5 (29") High
L 19.5 (29") Low
L 19.5 (29") Low
XL 21.5 (29") High
XL 21.5 (29") High
XL 21.5 (29") Low
XL 21.5 (29") Low
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
2.6in
Tire Outer Diameter
716.1mm
716.1mm
716.1mm
716.1mm
716.1mm
716.1mm
716.1mm
716.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
754.1mm
Bike Length with Tires
1836.1mm
1836.1mm
1835.1mm
1835.1mm
1860.1mm
1860.1mm
1859.1mm
1859.1mm
1908.1mm
1908.1mm
1907.1mm
1907.1mm
1933.1mm
1933.1mm
1932.1mm
1932.1mm
1950.1mm
1950.1mm
1949.1mm
1949.1mm
1965.1mm
1965.1mm
1964.1mm
1964.1mm
1996.1mm
1996.1mm
1995.1mm
1995.1mm
Crank Length
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
170mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
175mm
Handlebar Width
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
Stem Length
35mm
35mm
35mm
35mm
35mm
35mm
35mm
35mm
35mm
35mm
35mm
35mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm
45mm

Published Sizing Recommendations

Height
137 cm
to
155 cm
137 cm
to
155 cm
137 cm
to
155 cm
137 cm
to
155 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
153 cm
to
166.5 cm
161 cm
to
172 cm
161 cm
to
172 cm
161 cm
to
172 cm
161 cm
to
172 cm
165.5 cm
to
179 cm
165.5 cm
to
179 cm
165.5 cm
to
179 cm
165.5 cm
to
179 cm
177 cm
to
188 cm
177 cm
to
188 cm
177 cm
to
188 cm
177 cm
to
188 cm
186 cm
to
196 cm
186 cm
to
196 cm
186 cm
to
196 cm
186 cm
to
196 cm
PBH
64 cm
to
73 cm
64 cm
to
73 cm
64 cm
to
73 cm
64 cm
to
73 cm
72 cm
to
79 cm
72 cm
to
79 cm
72 cm
to
79 cm
72 cm
to
79 cm
72 cm
to
79 cm
72 cm
to
79 cm
72 cm
to
79 cm
72 cm
to
79 cm
76 cm
to
81 cm
76 cm
to
81 cm
76 cm
to
81 cm
76 cm
to
81 cm
77 cm
to
84 cm
77 cm
to
84 cm
77 cm
to
84 cm
77 cm
to
84 cm
83 cm
to
88 cm
83 cm
to
88 cm
83 cm
to
88 cm
83 cm
to
88 cm
87 cm
to
92 cm
87 cm
to
92 cm
87 cm
to
92 cm
87 cm
to
92 cm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Source:https://www.trekbikes.com/ca/en_CA/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-9-8-xt/p/33408/