Lightweight eMTBTrail / All mountain (mid-power)

TrekFuel+ MX 9.8 XT Di2 Gen 2

£8,075RRP UK, VAT incl.

Motor: TQ HPR6060 Nm, 350 W peak
Battery: 580 WhRemovable
Travel F / R: 160 / 150 mm
Wheels: Mullet 29" / 27.5"
Frame: Carbon

Overview

The Trek Fuel+ MX 9.8 XT Di2 Gen 2 (£8,075) is a mid-range build of the Fuel+ MX: 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

Full specifications

Frame & suspension

Shock: Fox Factory Float X, 205mm x 60mm
Fork: Fox Factory 36, Float EVOL air spring, GRIP X2 damper, 44 mm offset, Boost 110, 15 mm Kabolt X axle, 160 mm travel
Fork: Fox Factory 36, Float EVOL air spring, GRIP X2 damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt, 160mm 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 Assegai, tubeless ready, 3C, EXO+ casing, MAXXGRIP, folding bead, 29x2.5"
Tyre: Maxxis Minion DHR II, tubeless ready, 3C, Double Down, MAXXGRIP, 27.5x2.5"
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
Computer part: TQ handlebar-mounted

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

Fuel+ MX geometry

Size	S	M	L	XL	XXL
Wheel size	29"/27.5"	29"/27.5"	29"/27.5"	29"/27.5"	29"/27.5"
Seat tube length	370 mm	400 mm	420 mm	455 mm	475 mm
Seat tube angle	72.3°	72.3°	72.3°	72.3°	72.3°
Effective seat tube angle	77.7°	77.5°	77.0°	76.6°	76.1°
Head tube length	110 mm	110 mm	125 mm	140 mm	155 mm
Head angle	64.2°	64.2°	64.2°	64.2°	64.2°
Effective top tube	560 mm	590 mm	619 mm	652 mm	682 mm
BB height	343 mm	343 mm	343 mm	343 mm	343 mm
BB drop	31 mm	31 mm	31 mm	31 mm	31 mm
Chainstay length	440 mm	440 mm	440 mm	444 mm	449 mm
Fork offset	44 mm	44 mm	44 mm	44 mm	44 mm
Trail	132 mm	132 mm	132 mm	132 mm	132 mm
Wheelbase	1204 mm	1234 mm	1266 mm	1301 mm	1332 mm
Standover	758 mm	752 mm	755 mm	759 mm	769 mm
Reach	426 mm	456 mm	482 mm	507 mm	527 mm
Stack	627 mm	627 mm	641 mm	654 mm	668 mm
Front centre	765 mm	795 mm	826 mm	857 mm	884 mm

Source: Trek.

Fuel+ MX: builds compared

Fuel+ MX range →

	Fuel+ MX 9.8 XT Gen 2	Fuel+ MX 9.8 Eagle 90 Gen 2	Fuel+ MX 9.8 XT Di2 Gen 2	Fuel+ MX 9.9 X0 AXS Gen 2
Price	£7,625	£7,625	£8,075	£10,300
Frame	Carbon	Carbon	Carbon	Carbon
Fork	Fox Factory 36, Float EVOL air spring	Rockshox ZEB Ultimate B1, Linear XL w/ ButterCups	Fox Factory 36, Float EVOL air spring	Rockshox ZEB Ultimate B1, Linear XL w/ ButterCups
Shock	Fox Factory Float X	RockShox Vivid Ultimate D1	Fox Factory Float X	RockShox Vivid Ultimate D1
Derailleur	Shimano Deore M8200	SRAM Eagle 90	Shimano XT Di2 M8260	SRAM X0 Eagle AXS
Brakes	Shimano XT M8220 4-piston hydraulic disc	SRAM Maven Bronze 4-piston hydraulic disc	Shimano XT M8220 4-piston hydraulic disc	SRAM Maven Silver 4-piston hydraulic disc
Wheels	Bontrager Line Comp 30	Bontrager Line Comp 30	Bontrager Line Comp 30	Bontrager Line Pro 30

Fuel+ MX 9.8 XT Di2 Gen 2: FAQ

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

£8,075 (RRP UK, VAT incl.). The Fuel+ MX range runs from £7,625 (Fuel+ MX 9.8 XT Gen 2) to £10,300 (Fuel+ MX 9.9 X0 AXS Gen 2). Prices vary by country and dealer.

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

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

What sizes does the Trek Fuel+ MX 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+ MX 9.8 XT Di2 Gen 2 and the Fuel+ MX 9.9 X0 AXS Gen 2?

They share the Fuel+ MX frame platform and motor; the differences are in the parts — fork: Fox Factory 36 vs Rockshox ZEB Ultimate B1; derailleur: Shimano XT Di2 M8260 vs SRAM X0 Eagle AXS; price: £8,075 vs £10,300.