Velopedia Bicycle Archive

2027 Trek Fuel EX 9.9 X0 AXS

Mountain bicycle from the Velopedia specification archive.

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Original MSRP: $8,499.99
Sizes: S; M; L; XL; XXL
Colors: Gloss Chameleon Green /Matte Black; Purple Phaze / Amethyst Marble; Gloss Dark Carmine / Matte Trek Black; Miami Green / Aloha Marble
Geometry: 8 manufacturer sizes
Archive ID: 900000699

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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	RockShox Lyrik Ultimate, DebonAir+ w/ ButterCups, Charger 3.1 RC damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 150mm travel
Rear Shock	RockShox Deluxe Ultimate RC2T, 205mm x 60mm

Drivetrain

Component Group	SRAM X0 Eagle AXS, 12-speed
Shifters	SRAM AXS pod
Rear Derailleur	SRAM X0 Eagle AXS, T-Type
Crankset	S, M, L, XL, XXL: SRAM X0 Eagle, DUB, 30T steel, T-Type, 55mm chainline, 170mm length / S, M, L, XL, XXL: SRAM X0 Eagle, DUB, 30T, T-Type, 55mm chainline, 165mm length
Bottom Bracket	SRAM DUB MTB Wide, 73mm, BSA threaded
BB Shell Width	73 mm
Cassette	SRAM Eagle XS-1295, T-Type, 10-52, 12 speed
Chain	SRAM X0 Eagle, T-Type, 12 speed

Brakes

Brakes	SRAM Maven Silver 4-piston hydraulic disc

Cockpit & Contact Points

Headset	1-1/8'' threadless, sealed cartridge bearings
Handlebar	Race Face ERA, carbon, 35mm, 40mm rise, 800mm width
Stem	Race Face Turbine R, 35mm, 0 degree, 40mm length
Saddle	Trek Aeolus Pro, carbon fiber rails, AirLoom lattice 145mm width
Seatpost	S: RockShox Reverb AXS, 150mm travel, wireless, 34.9mm, 442mm length / M: RockShox Reverb AXS, 175mm travel, wireless, 34.9mm, 492mm length / L, XL, XXL: RockShox Reverb AXS, 200mm travel, wireless, 34.9mm, 542mm length

Wheels & Tires

Wheels	(F) Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' / (R) S: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 27.5'' / M, L, XL, XXL: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, 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''

Size-specific frame data

Geometry

8 sizes · 17 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

Measurement	15.5" (S) · Setup A	15.5" (S) · Setup B	17.5" (M) · Setup A	17.5" (M) · Setup B	19.5" (L) · Setup A	19.5" (L) · Setup B	21.5" (XL)	23" (XXL)
Seat tube	370 mm	370 mm	400 mm	400 mm	420 mm	420 mm	455 mm	475 mm
Effective top tube	548 mm	559 mm	583 mm	589 mm	617 mm	613 mm	651 mm	680 mm
Head tube	95 mm	110 mm	110 mm	110 mm	125 mm	125 mm	140 mm	155 mm
Head-tube angle	64.6°	64.6°	64.5°	64.5°	64.5°	64.5°	64.5°	64.5°
Seat-tube angle	78.7°	78.2°	78.3°	77.8°	77.4°	77.3°	76.9°	76.4°
Actual seat-tube angle	72.7°	72.7°	72.6°	72.6°	72.6°	72.6°	72.6°	72.6°
Chainstay / rear center	437 mm	441 mm	437 mm	444 mm	442 mm	444 mm	447 mm	452 mm
Wheelbase	1187 mm	1200 mm	1225 mm	1232 mm	1262 mm	1258 mm	1298 mm	1330 mm
Bottom-bracket drop	34 mm	34 mm	35 mm	35 mm	35 mm	35 mm	35 mm	35 mm
Bottom-bracket height	340 mm	339 mm	339 mm	339 mm	339 mm	339 mm	339 mm	339 mm
Reach	431 mm	431 mm	460 mm	460 mm	485 mm	485 mm	510 mm	530 mm
Stack	610 mm	624 mm	624 mm	624 mm	638 mm	638 mm	651 mm	665 mm
Standover height	741 mm	754 mm	742 mm	747 mm	749 mm	750 mm	755 mm	764 mm
Fork offset / rake	44 mm	44 mm	44 mm	44 mm	44 mm	44 mm	44 mm	44 mm
Front center	754 mm	761 mm	791 mm	791 mm	822 mm	822 mm	854 mm	880 mm
Trail	129 mm	129 mm	129 mm	129 mm	129 mm	129 mm	129 mm	129 mm
Wheel size	29"/27.5"	29"/27.5"	29"	29"	29"	29"	29"	29"

Geometry source: Trek first-party OCC sizing data ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.