Trek Fuel MX 9.8 XT Di2 Gen 7 Carbon Trail MTB
The Trek Fuel MX 9.8 XT Di2 Gen 7 is a trail mountain bike with Shimano XT Di2 12 speed shifting and a 10 to 51 cassette.
- The OCLV Mountain Carbon frame adapts between 145 and 160 mm travel.
- The Fox Factory 36 fork provides 160 mm travel.
- Shimano XT M8220 four piston brakes use hydraulic discs.
- The wheel setup pairs 29″ front and 27.5″ rear wheels.
- The Bontrager Line Dropper seatpost uses internal routing.
- Ready to Ride guarantee 100% Built.
- Safe International Doorstep Bike Shipping.
Description
Trail riders tackling technical singletrack and tight berms rely on the Trek Fuel MX 9.8 XT Di2 Gen 7 carbon trail mountain bike to maintain agile handling. Constructed from OCLV Mountain Carbon with a dedicated mixed-wheel layout, the chassis pairs a 160mm Fox Factory 36 fork with a Fox Factory Float X rear shock.
The specification package contains a Shimano XT Di2 M8250 12-speed electronic drivetrain, Shimano XT M8220 4-piston hydraulic disc brakes, Bontrager Line Comp 30 mixed wheels (29-inch front, 27.5-inch rear), Maxxis tires, Race Face ERA carbon handlebar, and a Bontrager Line dropper post. Available in Gloss Chameleon Green, Purple Phaze, and Gloss Dark Carmine, pedals must be acquired separately.
Key Specifications of the Trek Fuel MX 9.8 XT Di2 Gen 7 Trail Mountain Bike
- OCLV Mountain Carbon frame features adaptable travel between 145mm and 160mm.
- Fox Factory 36 suspension fork provides 160mm of GRIP X2 travel.
- Fox Factory Float X rear shock measures 205mm by 60mm.
- Shimano XT Di2 M8250 electronic 12-speed drivetrain shifts a 10-51T cassette.
- Shimano XT M8220 4-piston disc brakes clamp 203mm and 180mm rotors.
- Bontrager Line Comp 30 wheels feature a dedicated mixed-wheel setup.
- Maxxis Assegai 2.5-inch front tire pairs with a Minion DHR II 2.5-inch rear.
- Race Face ERA carbon handlebar features a 35mm clamp diameter.
- Bontrager Line dropper post delivers size-specific remote travel.
- Size Medium complete bike weighs 15.09 kg or 33.27 pounds.
- Maximum system weight capacity supports 300 pounds or 136 kg.
Who This Trail Mountain Bike Fits
All-mountain riders and aggressive trail cyclists who prioritize cornering clearance and maneuverability without sacrificing front-end rollover will benefit from this mixed-wheel build. The 160mm fork and progressive carbon chassis handle technical descents and jump lines.
Compatibility and Installation
The frame features a 73mm BSA threaded bottom bracket, 55mm chainline, ISCG 05 chainguide tabs, Boost148 rear wheel spacing, and a UDH rear derailleur interface. The internal downtube compartment houses tools securely, and the ZS headset secures the front end.
Before Ordering the Trek Fuel MX 9.8 XT Di2 Gen 7 Trail Mountain Bike
Review rider height recommendations: Small (150mm dropper) fits 155 to 168 cm (5’1″ to 5’6″), Medium (170mm dropper) fits 168 to 180 cm (5’6″ to 5’11”), Large and XL (200mm dropper) fit 178 to 200 cm (5’10” to 6’7″), and XXL (200mm dropper) fits 196 to 205 cm (6’5″ to 6’9″). Ensure you have a set of mountain pedals ready for assembly.
Trek Fuel MX 9.8 XT Di2 Gen 7 Specs
| Brand | Trek |
| Model | Fuel MX 9.8 XT Di2 Gen 7 |
| Bike Type | Trail Mountain Bike |
| Color | Gloss Chameleon Green, Purple Phaze, Gloss Dark Carmine |
| Frame | 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 |
| Fork | Fox Factory 36, Float EVOL air spring, GRIP X2 damper, 44mm offset, Boost110, 15mm Kabolt X axle, 160mm travel |
| Shock | Fox Factory Float X, 205mm x 60mm |
| Shifter | Shimano XT Di2 M8250, 12-speed |
| Rear Derailleur | Shimano XT M8250, long cage |
| Crank | Shimano XT 8200, 30T, 55mm chainline, 170mm length |
| Bottom Bracket | Shimano BB-MT501 BSA |
| Cassette | Shimano XT M8200, 10-51, 12-speed |
| Chain | Shimano Ultegra/XT M8100 |
| Brakes | Shimano XT M8220 4-piston hydraulic disc |
| Brake Rotors | Shimano RT86, 6-bolt, 180mm and 203mm |
| Wheels | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear, Rapid Drive 108 rear hub, Shimano Micro Spline freehub |
| Wheel Size | 29" front, 27.5" rear |
| Tires | Maxxis Assegai 29x2.5", tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead; Maxxis Minion DHR II 27.5x2.5", tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead |
| Tire Part | Bontrager TLR sealant, 6oz |
| Max Tire Size | Frame: 29x2.50"; Fork: see manufacturer |
| Handlebar | Race Face ERA carbon, 35mm, 40mm rise, 800mm width |
| Stem | Bontrager Elite, 35mm, 0 degree, 45mm length |
| Grips | Trek Line Elite, lock-on |
| Saddle | Verse Short Pro, carbon rails, 145mm width |
| Seatpost | Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm; 150mm travel on S, 170mm travel on M, 200mm travel on L, XL, and XXL |
| Weight | M - 15.09 kg / 33.27 lbs with TLR sealant, no tubes |
| Weight Limit | 300 pounds / 136 kg combined weight of bicycle, rider, and cargo |
| Manufacturer Warranty | Trek frames and full-suspension swing arms are covered for the lifetime of the original owner. Other parts are covered under Trek?s limited warranty. |
Trek Fuel MX 9.8 XT Di2 Gen 7 Included:
- Shimano Di2 EW-EC300 electronic shifting battery charging cable.
- Fox Performance Elite 36 160mm fork and Fox Float X Performance Elite 150mm shock air chart.
- MX mixed-wheel configuration linkage plates and geometry flip-chips.
- Bontrager Line Elite 30 carbon wheelset tubeless valve stems and tire sealant.
- Shimano Deore XT 4-piston hydraulic disc brake pad transport spacers.
- Bontrager Switch 12x148mm Boost rear thru-axle.
- Safety reflector kit and compact bicycle bell.
- Bicycle User Manual Book.
- Official Manufacturer Warranty Card.
Trek Fuel MX 9.8 XT Di2 Gen 7 Carbon Trail MTB General Questions
Q: What riding style suits Trek Fuel MX 9.8 XT Di2 best?A: The Trek Fuel MX 9.8 XT Di2 Gen 7 Carbon Trail MTB suits aggressive bike park laps, steep chutes, and technical singletrack with a 29"/27.5" mullet wheel setup.
A: Clean chain rollers with solvent every 200 miles, recharge the central Di2 battery every 1,000 miles, and verify shift speed profiles via the E-Tube app.
A: The chassis uses Shimano Deore XT M8120 4-piston hydraulic disc brakes on 203 mm front and 180 mm rear rotors for strong, fade-resistant stopping leverage.
A: The 29-inch front wheel provides roll-over stability on rocks while the 27.5-inch rear wheel allows quick hip snaps in tight berms and extra saddle clearance.
You must be logged in to post a review.
Reviews
There are no reviews yet.