Bicycle Archive · Specification report

2027 Trek Fuel EX 9.8 XT

Velopedia Archive ID 900000704

Overview

Model year	2027
Brand	Trek
Model	Fuel EX 9.8 XT
Bicycle type	Mountain
Archive ID	900000704
Original MSRP	$5,999.99
Colors	Purple Phaze / Amethyst Marble; Gloss Dark Carmine / Matte Trek Black; Miami Green / Aloha Marble
Sizes	S; M; L; XL; XXL

Frameset

Frame construction	OCLV Mountain Carbon, internal storage, ZS headset, adjustable leverage rate, guided internal routing, interchangeable alloy rocker link, interchangeable lower shock mount, downtube guard, shuttle guard, BSA 73, ISCG 05, ABP, UDH, Boost148, adaptable travel 145mm-160mm
Frame material	Carbon fiber
Fork	Fox Factory 36, Float EVOL air spring, GRIP X2 damper, 44mm offset, Boost 110, 15mm Kabolt X axle, 150mm travel
Rear shock	Fox Factory Float X, 205mm x 60mm

Drivetrain

Component group	Shimano XT, 12-speed
Shifters	Shimano XT M8200, 12 speed
Rear derailleur	Shimano Deore M8200, long cage
Crankset	S, M, L, XL, XXL: Shimano XT 8200, 30T, 55mm chainline, 170mm length / S, M, L, XL, XXL: Shimano XT M8200, 30T, 55mm chainline, 165mm length
Bottom bracket	Shimano BB-MT501 BSA
Cassette	Shimano XT M8200, 10-51, 12 speed
Chain	Shimano Ultegra/XT M8100

Brakes

Brakes	Shimano XT M8220 4-piston hydraulic disc

Cockpit & contact points

Headset	1-1/8'' threadless, sealed cartridge bearings
Handlebar	Race Face Turbine, alloy, 35mm, 40mm rise, 780mm width
Stem	Bontrager Elite, 35mm, 0 degree, 45mm length
Saddle	Verse Short Comp, steel rails, 145mm width
Seatpost	S: Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length / M: Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length / L, XL, XXL: Bontrager Line Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 515mm length

Wheels & tires

Wheels	(F) Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' / (R) S: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD freehub, Boost148, 12mm thru axle, 27.5'' / M, L, XL, XXL: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD freehub, Boost148, 12mm thru axle, 29''
Front tire	S: Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 27.5x2.5'' / S, M, L, XL, XXL: Maxxis Minion DHF, tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead, 29x2.5'' / M, L, XL, XXL: Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 29x2.5''
Rear tire	S: Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 27.5x2.5'' / S, M, L, XL, XXL: Maxxis Minion DHF, tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead, 29x2.5'' / M, L, XL, XXL: Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 29x2.5''

Geometry · 15.5" (S)

Seat tube	370 mm
Effective top tube	548 mm
Head tube	95 mm
Head-tube angle	64.6°
Seat-tube angle	78.7°
Actual seat-tube angle	72.7°
Chainstay / rear center	437 mm
Wheelbase	1187 mm
Bottom-bracket drop	34 mm
Bottom-bracket height	340 mm
Reach	431 mm
Stack	610 mm
Standover height	741 mm
Fork offset / rake	44 mm
Front center	754 mm
Trail	129 mm
Wheel size	29"/27.5"

Geometry · 17.5" (M)

Seat tube	400 mm
Effective top tube	583 mm
Head tube	110 mm
Head-tube angle	64.5°
Seat-tube angle	78.3°
Actual seat-tube angle	72.6°
Chainstay / rear center	437 mm
Wheelbase	1225 mm
Bottom-bracket drop	35 mm
Bottom-bracket height	339 mm
Reach	460 mm
Stack	624 mm
Standover height	742 mm
Fork offset / rake	44 mm
Front center	791 mm
Trail	129 mm
Wheel size	29"

Geometry · 19.5" (L)

Seat tube	420 mm
Effective top tube	617 mm
Head tube	125 mm
Head-tube angle	64.5°
Seat-tube angle	77.4°
Actual seat-tube angle	72.6°
Chainstay / rear center	442 mm
Wheelbase	1262 mm
Bottom-bracket drop	35 mm
Bottom-bracket height	339 mm
Reach	485 mm
Stack	638 mm
Standover height	749 mm
Fork offset / rake	44 mm
Front center	822 mm
Trail	129 mm
Wheel size	29"

Geometry · 21.5" (XL)

Seat tube	455 mm
Effective top tube	651 mm
Head tube	140 mm
Head-tube angle	64.5°
Seat-tube angle	76.9°
Actual seat-tube angle	72.6°
Chainstay / rear center	447 mm
Wheelbase	1298 mm
Bottom-bracket drop	35 mm
Bottom-bracket height	339 mm
Reach	510 mm
Stack	651 mm
Standover height	755 mm
Fork offset / rake	44 mm
Front center	854 mm
Trail	129 mm
Wheel size	29"

Geometry · 23" (XXL)

Seat tube	475 mm
Effective top tube	680 mm
Head tube	155 mm
Head-tube angle	64.5°
Seat-tube angle	76.4°
Actual seat-tube angle	72.6°
Chainstay / rear center	452 mm
Wheelbase	1330 mm
Bottom-bracket drop	35 mm
Bottom-bracket height	339 mm
Reach	530 mm
Stack	665 mm
Standover height	764 mm
Fork offset / rake	44 mm
Front center	880 mm
Trail	129 mm
Wheel size	29"

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 23, 2026.