Quiver

Trek2026

2026 Trek Slash 9.8 Gen 6

Trail

The 2026 Trek Slash 9.8 Gen 6 sits in the middle of the range for trail bikes, with a slacker head angle and a shorter rear center. Reach 430 to 513 mm, stack 588 to 659 mm. The Slash 9.8 XT Di2 Gen 6 build comes with Shimano XT M8250 shifting and Bontrager Line Comp 30 wheels.

Source: trekbikes.com. Checked .

Key facts

Brand
Trek
Model
Slash
Model year
2026
Type
Trail
Geometry labels
S, M, ML, L, and XL
Geometry
Complete for every size
Source
trekbikes.com
Checked

Geometry by size

2026 Trek Slash 9.8 Gen 6 geometry drawing, size MLSide view of the 2026 Trek Slash 9.8 Gen 6 frame in size ML, drawn to scale from its published geometry, with lettered dimension lines.J 1253A 468mmB 632mmJ 1253mmH 434mmK 27mmC 605mmD 63.3°E 77.3°F 110mmG 420mmN 351mmL 766mm
Geometry drawing, size ML, to scale.
2026 Trek Slash 9.8 Gen 6 geometry by size
MeasurementSMMLLXL
Reach(mm)430 (from the manufacturer)448 (from the manufacturer)468 (from the manufacturer)488 (from the manufacturer)513 (from the manufacturer)
Stack(mm)588 (from the manufacturer)623 (from the manufacturer)632 (from the manufacturer)641 (from the manufacturer)659 (from the manufacturer)
Head tube angle(°)63.5 (from the manufacturer)63.3 (from the manufacturer)63.3 (from the manufacturer)63.3 (from the manufacturer)63.3 (from the manufacturer)
Seat tube angle(°)78.1 (from the manufacturer)77.8 (from the manufacturer)77.3 (from the manufacturer)77.1 (from the manufacturer)76.7 (from the manufacturer)
Effective top tube(mm)548 (from the manufacturer)578 (from the manufacturer)605 (from the manufacturer)628 (from the manufacturer)658 (from the manufacturer)
Chainstay length(mm)429429 (from the manufacturer)434 (from the manufacturer)434 (from the manufacturer)439 (from the manufacturer)
Wheelbase(mm)1195 (from the manufacturer)1224 (from the manufacturer)1253 (from the manufacturer)1278 (from the manufacturer)1312 (from the manufacturer)
BB drop(mm)10 (from the manufacturer)27272727
BB height(mm)352 (from the manufacturer)351351 (from the manufacturer)351351
Standover(mm)727766766767768
Seat tube length(mm)390400420435470
Head tube length(mm)100100110120140
Sources agreeManufacturer

Stock build

Slash 9.8 XT Di2 Gen 617 parts

Suspension

RockShox Zeb Select+
ForkFrom the manufacturer: Front axle / spacing 15x110 (Boost)
RockShox Vivid Select+
Rear shockFrom the manufacturer: Tune Custom

Drivetrain

Shimano XT M8250
Derailleur
Shimano MT501
Bottom bracket

Wheels & Tires

WheelsetInternal rim width 29mmFrom the manufacturer: Rim material AluminumSpoke count 28From the manufacturer: Tubeless ready

Brakes

Shimano SM-RT86
Rotor

Cockpit

HandlebarFrom the manufacturer: Material Aluminum
StemFrom the manufacturer: Steerer diameter 1.5"
GripsFrom the manufacturer: Clamp / lock type Lock-onFrom the manufacturer: Compound / material nylon

Seatpost & Saddle

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Slash 9.8 XT Gen 623 parts

Frame

Trek Slash
Frame

Suspension

RockShox Zeb Select+
ForkFrom the manufacturer: Wheel size 29From the manufacturer: Front axle / spacing 15x110 (Boost)
RockShox Vivid Select+
Rear shockFrom the manufacturer: Tune Custom

Drivetrain

ShifterFrom the manufacturer: Speeds 12From the manufacturer: Actuation type ElectronicFrom the manufacturer: Compatibility Di2
Shimano XT M8250
DerailleurFrom the manufacturer: Speeds 12From the manufacturer: Maximum cog 51 tFrom the manufacturer: Actuation type ElectronicFrom the manufacturer: Clutch yes
CassetteSpeeds 12Freehub body Shimano Micro Spline
ChainSpeeds 12From the manufacturer: Compatibility HG 12-speedWeight 252 g
Shimano XT M8120
Chainring
Bottom bracketFrom the manufacturer: Spindle interface Hollowtech IIFrom the manufacturer: Shell width 73mmFrom the manufacturer: Weight 73 g

Wheels & Tires

WheelsetInternal rim width 29mmFrom the manufacturer: Rim material AluminumSpoke count 28From the manufacturer: Tubeless ready
Bontrager Brevard RSL SE
TireFrom the manufacturer: Tubeless ready yes
Bontrager Brevard RSL SE
TireFrom the manufacturer: Tubeless ready yes

Brakes

Shimano SM-RT86
Rotor
Shimano SM-RT86
Rotor

Cockpit

HandlebarFrom the manufacturer: Material Aluminum
StemFrom the manufacturer: Steerer diameter 1.5"
GripsFrom the manufacturer: Clamp / lock type Lock-onFrom the manufacturer: Compound / material nylon
HeadsetFrom the manufacturer: Standard (SHIS) integrated

Seatpost & Saddle

Dropper postFrom the manufacturer: Total length 310mm
Bontrager Line Elite Dropper
Seatpost

Keep your Slash 9.8 XT Gen 6 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2026 Trek Slash 9.8 Gen 6?
Geometry is listed for S, M, ML, L, and XL.
What are the reach and stack of the 2026 Trek Slash 9.8 Gen 6 in size ML?
In size ML, reach is 468 mm and stack is 632 mm.
What is the head tube angle of the 2026 Trek Slash 9.8 Gen 6?
The head tube angle is 63.3 degrees in size ML.
What does the 2026 Trek Slash 9.8 XT Di2 Gen 6 ship with?
The stock build includes RockShox Zeb Select+, Shimano XT M8250 Di2, Bontrager Line Comp 30, and Shimano XT M8220 4-piston.
Which years of the Trek Slash are on Quiver?
Quiver has the Trek Slash for 2026, 2027, 2025, 2023, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

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