2020 Trek Bikes Fuel EX 8

Design
Flat Bar, Full suspension
Frame
Aluminum
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 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
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
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

Geometry

XS (27.5" wheel) High
XS (27.5" wheel) Low
S (27.5" wheel) High
S (27.5" wheel) Low
S (29" wheel) High
S (29" wheel) Low
M (29" wheel) High
M (29" wheel) Low
ML (29" wheel) High
ML (29" wheel) Low
L (29" wheel) High
L (29" wheel) Low
XL (29" wheel) High
XL (29" wheel) Low
XXL (29" wheel) High
XXL (29" wheel) Low
Stack
563mm
559mm
572mm
568mm
608mm
605mm
608mm
605mm
613mm
609mm
613mm
609mm
627mm
623mm
645mm
641mm
Reach
395mm
400mm
415mm
420mm
415mm
420mm
440mm
445mm
455mm
460mm
470mm
475mm
495mm
500mm
515mm
520mm
Stack to Reach Ratio
1.43:1
1.4:1
1.38:1
1.35:1
1.47:1
1.44:1
1.38:1
1.36:1
1.35:1
1.32:1
1.3:1
1.28:1
1.27:1
1.25:1
1.25:1
1.23:1
Seat Tube Length, C-T
355mm
395mm
395mm
395mm
395mm
395mm
420mm
420mm
435mm
435mm
450mm
450mm
500mm
500mm
540mm
540mm
Top Tube Length, Effective/Horizontal HT Top
550mm
545mm
568mm
567mm
578mm
577mm
603mm
602mm
619mm
618mm
634mm
633mm
663mm
661mm
688mm
686mm
Top Tube Slope
24.3deg
19.5deg
20.2deg
19.7deg
23.7deg
23.2deg
20.2deg
19.8deg
18.8deg
18.3deg
16.9deg
16.4deg
13deg
12.5deg
10.7deg
10.2deg
Head Tube Angle
66deg
66.5deg
66deg
66.5deg
66deg
66.5deg
66deg
66.5deg
66deg
66.5deg
66deg
66.5deg
66deg
66.5deg
66deg
66.5deg
Seat Tube Angle
75deg
75.5deg
75deg
75.5deg
75deg
75.5deg
75deg
75.5deg
75deg
75.5deg
75deg
75.5deg
75deg
75.5deg
75deg
75.5deg
Head Tube Length
90mm
90mm
100mm
100mm
100mm
100mm
100mm
100mm
105mm
105mm
105mm
105mm
120mm
120mm
140mm
140mm
Bottom Bracket Drop
21mm
14mm
21mm
14mm
34mm
28mm
34mm
28mm
34mm
27mm
34mm
27mm
34mm
27mm
34mm
27mm
Bottom Bracket Height
337mm
344mm
337mm
344mm
343mm
349mm
343mm
349mm
343mm
350mm
343mm
350mm
343mm
350mm
343mm
350mm
Chainstay Length
437mm
435mm
437mm
435mm
437mm
435mm
437mm
435mm
437mm
435mm
437mm
435mm
437mm
435mm
437mm
435mm
Chainstay Length Horizontal
436.5mm
434.8mm
436.5mm
434.8mm
435.7mm
434.1mm
435.7mm
434.1mm
435.7mm
434.2mm
435.7mm
434.2mm
435.7mm
434.2mm
435.7mm
434.2mm
Front-Center
683.8mm
684.4mm
707.8mm
708.4mm
719.1mm
719.5mm
744.1mm
744.4mm
761.1mm
761.3mm
776.1mm
776.3mm
807mm
807.3mm
835mm
835.3mm
Front-Center Horizontal
683.5mm
684.2mm
707.5mm
708.2mm
718.3mm
718.9mm
743.3mm
743.9mm
760.3mm
760.8mm
775.3mm
775.8mm
806.3mm
806.8mm
834.3mm
834.8mm
Wheelbase
1120mm
1119mm
1144mm
1143mm
1154mm
1153mm
1179mm
1178mm
1196mm
1195mm
1211mm
1210mm
1242mm
1241mm
1270mm
1269mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
Trail
112.3mm
very high
108.8mm
very high
112.3mm
very high
108.8mm
very high
120.8mm
very high
117.1mm
very high
120.8mm
very high
117.1mm
very high
120.8mm
very high
117.1mm
very high
120.8mm
very high
117.1mm
very high
120.8mm
very high
117.1mm
very high
120.8mm
very high
117.1mm
very high
Mechanical Trail
102.6mm
99.8mm
102.6mm
99.8mm
110.4mm
107.3mm
110.4mm
107.3mm
110.4mm
107.3mm
110.4mm
107.3mm
110.4mm
107.3mm
110.4mm
107.3mm
Wheel Flop
41.7mm
39.8mm
41.7mm
39.8mm
44.9mm
42.8mm
44.9mm
42.8mm
44.9mm
42.8mm
44.9mm
42.8mm
44.9mm
42.8mm
44.9mm
42.8mm
Standover Height
695mm
700mm
701mm
706mm
701mm
706mm
742mm
748mm
745mm
751mm
750mm
756mm
762mm
768mm
800mm
806mm
Tire to Pedal Spindle
155.8mm
170 mm cranks
156.3mm
170 mm cranks
179.8mm
170 mm cranks
180.3mm
170 mm cranks
172.1mm
170 mm cranks
172.4mm
170 mm cranks
197.1mm
170 mm cranks
197.4mm
170 mm cranks
214mm
170 mm cranks
214.3mm
170 mm cranks
229mm
170 mm cranks
229.3mm
170 mm cranks
260mm
170 mm cranks
260.3mm
170 mm cranks
288mm
170 mm cranks
288.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
167mm
170 mm cranks
174mm
170 mm cranks
167mm
170 mm cranks
174mm
170 mm cranks
173mm
170 mm cranks
179mm
170 mm cranks
173mm
170 mm cranks
179mm
170 mm cranks
173mm
170 mm cranks
180mm
170 mm cranks
173mm
170 mm cranks
180mm
170 mm cranks
173mm
170 mm cranks
180mm
170 mm cranks
173mm
170 mm cranks
180mm
170 mm cranks

8 Build

XS (27.5" wheel) High
XS (27.5" wheel) Low
S (27.5" wheel) High
S (27.5" wheel) Low
S (29" wheel) High
S (29" wheel) Low
M (29" wheel) High
M (29" wheel) Low
ML (29" wheel) High
ML (29" wheel) Low
L (29" wheel) High
L (29" wheel) Low
XL (29" wheel) High
XL (29" wheel) Low
XXL (29" wheel) High
XXL (29" wheel) 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
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
Tire Outer Diameter
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
Bike Length with Tires
1836.1mm
1835.1mm
1860.1mm
1859.1mm
1908.1mm
1907.1mm
1933.1mm
1932.1mm
1950.1mm
1949.1mm
1965.1mm
1964.1mm
1996.1mm
1995.1mm
2024.1mm
2023.1mm
Handlebar Width
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
780mm
Stem Length
40mm
40mm
40mm
40mm
40mm
40mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
Stem Angle
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg
0deg

Published Sizing Recommendations

Height
137 cm
to
155 cm
137 cm
to
155 cm
153 cm
to
162 cm
153 cm
to
162 cm
153 cm
to
162 cm
153 cm
to
162 cm
161 cm
to
172 cm
161 cm
to
172 cm
170 cm
to
179 cm
170 cm
to
179 cm
177 cm
to
188 cm
177 cm
to
188 cm
186 cm
to
196 cm
186 cm
to
196 cm
185 cm
to
203 cm
195 cm
to
203 cm
PBH
64 cm
to
73 cm
64 cm
to
73 cm
72 cm
to
76 cm
72 cm
to
76 cm
72 cm
to
76 cm
72 cm
to
76 cm
76 cm
to
81 cm
76 cm
to
81 cm
80 cm
to
84 cm
80 cm
to
84 cm
83 cm
to
88 cm
83 cm
to
88 cm
87 cm
to
92 cm
87 cm
to
92 cm
92 cm
to
95 cm
92 cm
to
95 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/us/en_US/bikes/mountain-bikes/trail-mountain-bikes/fuel-ex/fuel-ex-8/p/29458/?colorCode=black