Trek Fuel+ EX 9.8 XT Di2 Gen 2 e-MTB, side view
Photo: Trek
Lightweight eMTBTrail (mid-power)
Fuel+ EX range · 6 builds

TrekFuel+ EX 9.8 XT Di2 Gen 2

£8,075RRP UK, VAT incl.
Motor
TQ HPR6060 Nm, 350 W peak
Battery
580 WhRemovable
Travel F / R
150 / 145 mm
Wheels
Mullet 29" / 27.5"
Frame
Carbon

Overview

The Trek Fuel+ EX 9.8 XT Di2 Gen 2 (£8,075) is a mid-range build of the Fuel+ EX: carbon frame, TQ HPR60 motor with 580 Wh, Fox Factory 36 fork, Fox Factory Float X shock, Shimano XT Di2 M8260 and Shimano XT M8220 4-piston hydraulic disc brakes.

The Fuel+ Gen 2 is Trek's mid-power trail e-MTB: TQ's HPR60 motor (60 Nm, 350 W peak) with a removable 580 Wh battery, in three configurations — EX (145 mm rear / 150 mm fork, mixed wheels), MX (150 mm rear, mixed wheels) and LX (160 mm rear / 170 mm fork, 29-inch wheels).

Most builds use an OCLV Mountain Carbon frame (the EX 8 is aluminium) with an angle-adjust headset, adjustable leverage rate and interchangeable rocker links and lower shock mount.

  • TQ HPR60: 60 Nm, 350 W peak
  • Removable 580 Wh battery
  • EX, MX and LX travel/wheel configurations
  • Angle-adjust headset, adjustable leverage rate

Gallery

Photos: Trek

Full specifications

Frame & suspension

Shock
Fox Factory Float X, 205mm x 60mm
Fork
Fox Factory 36, Float EVOL air spring, GRIP X2 damper, 44mm offset, Boost 110, 15mm Kabolt X axle, 150mm travel
Frame
OCLV Mountain Carbon, removable battery, angle-adjust headset, adjustable leverage rate, guided internal routing, interchangeable alloy rocker links, interchangeable lower shock mount, downtube guard, shuttle guard, ABP, UDH, Boost148, adaptable travel 145 mm-160 mm

E-system

Battery
TQ 580Wh
Charger
TQ 4A charger
Motor
TQ-HPR60, 60 Nm, 250 watt maximum continuous rated power, 350 watt peak power
Controller
TQ color LED display with Bluetooth & ANT+ connectivity

Drivetrain

Chain
Shimano Ultegra/XT M8100
Chainring
E*Thirteen Helix Core Steel 32t steel, 55mm chainline
Rear derailleur
Shimano XT Di2 M8260, 12-speed
Cassette
Shimano XT M8200, 10-51, 12-speed
Crankset
E*thirteen E*spec Plus, 160 mm length
Shifter
Shimano XT Di2 M8250, 12-speed

Brakes

Brake rotor
Shimano RT-6B750, 6-bolt, 200 mm
Brake
Shimano XT M8220 4-piston hydraulic disc

Wheels & tyres

Hub body
Bontrager alloy, sealed bearing, 6-bolt, Rapid Drive 108, Shimano Microspline, Boost148, 12mm thru axle
Skewer rear
Bontrager Switch thru axle, removable lever
Rear wheel
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD freehub, Boost148, 12mm thru axle, 27.5"
Tyre
Maxxis Minion DHR II, tubeless ready, 3C, EXO+ casing, MAXXTERRA, folding bead, 27.5x2.5"
Tyre
Maxxis Minion DHF, tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead, 29x2.5"
Front wheel
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29"

Cockpit

Headset
1-1/8'' threadless, sealed cartridge bearings
Stem
Bontrager Elite, 35 mm, 0-degree, 45 mm length
Saddle
Verse Short Comp, steel rails, 145 mm width
Handlebar
Race Face Turbine, alloy, 35 mm, 40 mm rise, 780 mm width
Grips
Trek Line Elite, lock-on
Seatpost
Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9 mm, 410 mm length

Other

Controller part
TQ power cable for Shimano Di2 rear derailleur

Manufacturer specification — source. Specs and prices can change; check with the brand or your dealer.

Fuel+ EX geometry

SizeSMLXLXXL
Wheel size29"/27.5"29"29"29"29"
Seat tube length370 mm400 mm420 mm455 mm475 mm
Seat tube angle72.7°72.6°72.6°72.6°72.6°
Effective seat tube angle78.2°77.8°77.3°76.9°76.4°
Head tube length110 mm110 mm125 mm140 mm155 mm
Head angle64.6°64.5°64.5°64.5°64.5°
Effective top tube559 mm589 mm613 mm651 mm680 mm
BB height339 mm339 mm339 mm339 mm339 mm
BB drop34 mm35 mm35 mm35 mm35 mm
Chainstay length441 mm444 mm444 mm447 mm452 mm
Fork offset44 mm44 mm44 mm44 mm44 mm
Trail129 mm129 mm129 mm129 mm129 mm
Wheelbase1200 mm1232 mm1258 mm1298 mm1330 mm
Standover754 mm747 mm750 mm755 mm764 mm
Reach431 mm460 mm485 mm510 mm530 mm
Stack624 mm624 mm638 mm651 mm665 mm
Front centre761 mm791 mm822 mm854 mm880 mm

Source: Trek.

Fuel+ EX: builds compared

Fuel+ EX range →
Fuel+ EX 8 Gen 2Fuel+ EX 9.7 Gen 2Fuel+ EX 9.8 XT Gen 2Fuel+ EX 9.8 Eagle 90 Gen 2Fuel+ EX 9.8 XT Di2 Gen 2Fuel+ EX 9.9 X0 AXS Gen 2
Price£5,000£5,500£7,625£7,625£8,075£10,300
FrameAlloyCarbonCarbonCarbonCarbonCarbon
ForkFox Rhythm 36, Float EVOL air springFox Rhythm 36, Float EVOL air springFox Factory 36, Float EVOL air springRockShox Lyrik Ultimate, DebonAir+ w/ ButterCupsFox Factory 36, Float EVOL air springRockShox Lyrik Ultimate, DebonAir+ w/ ButterCups
ShockFox Float XFox Float XFox Factory Float XRockShox Deluxe Ultimate RC2TFox Factory Float XRockShox Deluxe Ultimate RC2T
DerailleurSRAM Eagle 70SRAM Eagle 70Shimano Deore M8200SRAM Eagle 90Shimano XT Di2 M8260SRAM X0 Eagle AXS
BrakesSRAM DB 8 4-piston hydraulic discSRAM DB 8 4-piston hydraulic discShimano XT M8220 4-piston hydraulic discSRAM Maven Bronze 4-piston hydraulic discShimano XT M8220 4-piston hydraulic discSRAM Maven Silver 4-piston hydraulic disc
Wheels——Bontrager Line Comp 30Bontrager Line Comp 30Bontrager Line Comp 30Bontrager Line Pro 30

Fuel+ EX 9.8 XT Di2 Gen 2: FAQ

How much does the Trek Fuel+ EX 9.8 XT Di2 Gen 2 cost?

£8,075 (RRP UK, VAT incl.). The Fuel+ EX range runs from £5,000 (Fuel+ EX 8 Gen 2) to £10,300 (Fuel+ EX 9.9 X0 AXS Gen 2). Prices vary by country and dealer.

What motor and battery does the Trek Fuel+ EX 9.8 XT Di2 Gen 2 have?

TQ HPR60 (60 Nm, 350 W peak). 580 Wh battery — removable.

How much suspension travel does the Trek Fuel+ EX 9.8 XT Di2 Gen 2 have?

150 mm at the fork and 145 mm at the rear, on mullet 29" / 27.5" wheels.

What sizes does the Trek Fuel+ EX 9.8 XT Di2 Gen 2 come in?

S, M, L, XL, XXL. Check the geometry table to compare reach and stack between sizes.

What is the difference between the Fuel+ EX 9.8 XT Di2 Gen 2 and the Fuel+ EX 9.9 X0 AXS Gen 2?

They share the Fuel+ EX frame platform and motor; the differences are in the parts — fork: Fox Factory 36 vs RockShox Lyrik Ultimate; derailleur: Shimano XT Di2 M8260 vs SRAM X0 Eagle AXS; price: £8,075 vs £10,300.

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