2024 Trek Bikes Top Fuel 8

Design
Flat Bar, Full suspension
Suspension
130mm fork travel, 120mm rear travel
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
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

Geometry

S Low
S High
M Low
M High
ML Low
ML High
L Low
L High
XL Low
XL High
XXL Low
XXL High
Stack
599mm
596mm
599mm
596mm
604mm
600mm
608mm
605mm
622mm
619mm
631mm
630mm
Reach
415mm
419mm
445mm
449mm
460mm
464mm
475mm
479mm
495mm
499mm
515mm
519mm
Stack to Reach Ratio
1.44:1
1.42:1
1.35:1
1.33:1
1.31:1
1.29:1
1.28:1
1.26:1
1.26:1
1.24:1
1.23:1
1.21:1
Seat Tube Length, C-T
395mm
395mm
420mm
420mm
435mm
435mm
450mm
450mm
500mm
500mm
540mm
540mm
Top Tube Length, Effective/Horizontal HT Top
—
569mm
600mm
599mm
616mm
615mm
632mm
631mm
655mm
654mm
678mm
677mm
Top Tube Slope
22.5deg
22.1deg
19.2deg
18.8deg
17.8deg
17.3deg
16.4deg
16.1deg
12.9deg
12.6deg
9.4deg
9.3deg
Head Tube Angle
65.5deg
65.9deg
65.5deg
65.9deg
65.5deg
65.9deg
65.6deg
65.9deg
65.6deg
65.9deg
65.6deg
65.9deg
Seat Tube Angle
69.5deg
69.9deg
69.5deg
69.9deg
69.5deg
69.9deg
69.6deg
69.9deg
69.6deg
69.9deg
75.6deg
75.9deg
Effective Seat Tube Angle, ETT HT Top
75.5deg
75.9deg
75.5deg
75.9deg
75.5deg
75.9deg
75.6deg
75.9deg
75.6deg
75.9deg
69.6deg
69.9deg
Head Tube Length
100mm
100mm
100mm
100mm
105mm
105mm
110mm
110mm
125mm
125mm
135mm
135mm
Bottom Bracket Drop
32mm
27mm
33mm
27mm
33mm
27mm
33mm
27mm
33mm
27mm
33mm
27mm
Bottom Bracket Height
337.4mm
342.4mm
336.4mm
342.4mm
336.4mm
342.4mm
336.4mm
342.4mm
336.4mm
342.4mm
336.4mm
342.4mm
Chainstay Length
435mm
434mm
435mm
434mm
435mm
434mm
435mm
434mm
435mm
434mm
435mm
434mm
Chainstay Length Horizontal
433.8mm
433.2mm
433.8mm
433.2mm
433.8mm
433.2mm
433.8mm
433.2mm
433.8mm
433.2mm
433.8mm
433.2mm
Front-Center
720.9mm
720.4mm
751mm
750.3mm
768mm
767.3mm
785mm
784.3mm
810.9mm
811.3mm
834.9mm
835.3mm
Front-Center Horizontal
720.2mm
719.8mm
750.3mm
749.8mm
767.3mm
766.8mm
784.3mm
783.8mm
810.3mm
810.8mm
834.3mm
834.8mm
Wheelbase
1154mm
1153mm
1184mm
1183mm
1201mm
1200mm
1218mm
1217mm
1244mm
1244mm
1268mm
1268mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
43mm
Trail
121.1mm
very high
118.1mm
very high
121.1mm
very high
118.1mm
very high
121.1mm
very high
118.1mm
very high
120.4mm
very high
118.1mm
very high
120.4mm
very high
118.1mm
very high
120.4mm
very high
118.1mm
very high
Mechanical Trail
110.2mm
107.9mm
110.2mm
107.9mm
110.2mm
107.9mm
109.6mm
107.9mm
109.6mm
107.9mm
109.6mm
107.9mm
Wheel Flop
45.7mm
44mm
45.7mm
44mm
45.7mm
44mm
45.3mm
44mm
45.3mm
44mm
45.3mm
44mm
Standover Height
719mm
724mm
739mm
744mm
744mm
749mm
749mm
754mm
759mm
764mm
759mm
764mm
Tire to Pedal Spindle
181.5mm
170 mm cranks
180.9mm
170 mm cranks
211.6mm
170 mm cranks
210.9mm
170 mm cranks
228.5mm
170 mm cranks
227.9mm
170 mm cranks
245.5mm
170 mm cranks
244.9mm
170 mm cranks
271.5mm
170 mm cranks
271.9mm
170 mm cranks
295.5mm
170 mm cranks
295.9mm
170 mm cranks
Pedal Spindle to Ground Clearance
167.4mm
170 mm cranks
172.4mm
170 mm cranks
166.4mm
170 mm cranks
172.4mm
170 mm cranks
166.4mm
170 mm cranks
172.4mm
170 mm cranks
166.4mm
170 mm cranks
172.4mm
170 mm cranks
166.4mm
170 mm cranks
172.4mm
170 mm cranks
166.4mm
170 mm cranks
172.4mm
170 mm cranks

8 Build

S Low
S High
M Low
M High
ML Low
ML High
L Low
L High
XL Low
XL High
XXL Low
XXL High
Wheel Size
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
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
Tire Outer Diameter
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
738.8mm
Bike Length with Tires
1892.8mm
1891.8mm
1922.8mm
1921.8mm
1939.8mm
1938.8mm
1956.8mm
1955.8mm
1982.8mm
1982.8mm
2006.8mm
2006.8mm

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