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2027 Trek Fuel EX 9.9 X0 AXS
Original specifications: SRAM X0 Eagle AXS, 12-speed drivetrain · geometry for 8 published sizes.
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At a glance
- Model year
- 2027
- Category
- Mountain
- 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
- In this record
- 21 specifications · 8 archived images · original MSRP · geometry
- Archive ID
- 900000699
Original buildCarbon fiber · SRAM X0 Eagle AXS, 12-speed
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'' |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements8 sizes · 17 measurements
| 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" |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

SRAM X0 Eagle Transmission 12-Speed Chain Dark Polar, 126 links
126 links


SRAM Maven Disc Brake Pad 20 Pack One Color, Organic, X-Large
Organic, X-Large
More parts (4)


Race Face Aeffect R 35 20mm Rise Handlebar - Bike Build Black, 35mm, 780mm
35mm, 780mm
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2027 Trek Fuel EX 9.9 X0 AXS · Mountain · Published sizes: S, M, L, XL, XXL
Frame and fork
Inspect the frame and fork →Archived: Frame: Carbon fiber · Fork: RockShox Lyrik Ultimate, DebonAir+ w/ ButterCups, Charger 3.1 RC damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 150mm travel
Suspension
Evaluate the suspension →Archived: 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
Check drivetrain wear →Archived: 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 · Cassette: SRAM Eagle XS-1295, T-Type, 10-52, 12 speed · Chain: SRAM X0 Eagle, T-Type, 12 speed
Brakes
Inspect the brakes →Archived: Brakes: SRAM Maven Silver 4-piston hydraulic disc
Controls and contact points
Archived: 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
Before and during the test ride
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Gallery8 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





