Trek Slash Carbon (Gen 4)
Frame

Specifications
- Manufacturer
- Trek
- Name
- Slash Carbon (Gen 4)
- Discipline
- Mountain
- Material
- Carbon
- Head Tube
- Tapered
- Max Fork Travel (mm)
- 170
- Seatpost Diameter (mm)
- 34.9
- Wheel Sizes
- 700c / 29"
- Frame Size
- S, M, L, XL
- Front Axle Standard
- 15 × 110 mm (Boost)
- Rear Axle Standard
- 12 × 148 mm (Boost)
- BB Standard
- BSA THREADED
- Cable Routing
- Internal
- Max Chainring Size (T)
- 34
Included Components
forkTrek Slash Carbon (Gen 4) Fork
| Image | Component | Part | Quantity |
|---|---|---|---|
![]() | fork | Trek Slash Carbon (Gen 4) Fork | 1 |
Compatibility
Trek Slash Carbon (Gen 4) is a Trek mtb frame. Everything listed below was matched on a specification we hold for both parts: the interface each pairing actually depends on, such as freehub body, speed count, actuation or mounting standard. Where we could not verify that interface, the part is left out rather than assumed to fit.
Bottom brackets for this frame shell20
Mechanically compatibleToken
878
- Both are bsa threaded bottom bracket shells
Mechanically compatibleToken
BB29BSA
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
BB386 crank to BSA frame thread Ceramic bearings
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
BB392 crank to BSA frame
- Both are bsa threaded bottom bracket shells
Mechanically compatibleToken
BB392BSA
- Both are bsa threaded bottom bracket shells
Mechanically compatibleCybrei
BSA Bottom Bracket (Shimano 24mm)
- Both are bsa threaded bottom bracket shells
Mechanically compatibleCybrei
BSA Bottom Bracket (SRAM DUB)
- Both are bsa threaded bottom bracket shells
Mechanically compatibleShimano
CARTRIDGE BOTTOM BRACKET
- Both are bsa threaded bottom bracket shells
Mechanically compatibleShimano
DEORE XT THREADED BOTTOM BRACKET 68/73 MM SHELL WIDTH (BB-MT800)
- Both are bsa threaded bottom bracket shells
Mechanically compatibleShimano
DEORE XT THREADED BOTTOM BRACKET 68/73 MM SHELL WIDTH (BB-MT801)
- Both are bsa threaded bottom bracket shells
Mechanically compatiblePraxis
DUB-BSA
- Both are bsa threaded bottom bracket shells
Mechanically compatibleToken
ISO Square Taper (BSA / ISO)
- Both are bsa threaded bottom bracket shells
Mechanically compatibleToken
JIS Square Taper (BSA / JIS)
- Both are bsa threaded bottom bracket shells
Mechanically compatiblePraxis
M24 – BSA THREADED
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
Mega Exo Comet crank to 68/73mm frame
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
MegaExo Comet crank to BSA 100mm
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
MegaExo crank
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
MegaExo Gamma Drive crank to BSA frame
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
MegaExo GOSSAMER crank to BSA frame Di2 compatible
- Both are bsa threaded bottom bracket shells
Mechanically compatibleFSA
MegaExo K-Force crank to BSA 68/73mm frame
- Both are bsa threaded bottom bracket shells
Seatposts for this seat tube16
Mechanically compatibleBikeYoke
Divine 2.0
- Both are 34.9mm
Mechanically compatibleCrankbrothers
Highline 3 Dropper Post
- Both are 34.9mm
Mechanically compatibleKS
LEV Circuit
- Both are 34.9mm
Mechanically compatibleKS
LEV Integra
- Both are 34.9mm
Mechanically compatiblePNW Components
Loam Dropper Post Gen 2
- Both are 34.9mm
Mechanically compatibleKS
RAGE-i 2.0
- Both are 34.9mm
Mechanically compatibleKS
Rage-iS
- Both are 34.9mm
Mechanically compatibleWolf Tooth
Resolve Dropper Post rev2
- Both are 34.9mm
Mechanically compatibleRockShox
Reverb AXS
- Both are 34.9mm
Mechanically compatibleBikeYoke
Revive 3.0
- Both are 34.9mm
Mechanically compatibleFox
Transfer
- Both are 34.9mm
Mechanically compatibleFox
Transfer Neo
- Both are 34.9mm
Mechanically compatibleOneUp Components
V3 Dropper Post
- Both are 34.9mm
Mechanically compatibleKS
Vantage
- Both are 34.9mm
Mechanically compatibleSDG
Tellis V1 Dropper Post
- Both are 34.9mm
Mechanically compatibleSDG
Tellis V2 Dropper Post
- Both are 34.9mm
Forks with a matching steerer and wheel size20
Mechanically compatibleLightCarbon
29er Full Carbon Rigid Mtb Plus Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleLightCarbon
700C Disc Brake CX Fork Gravel Carbon Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleLightCarbon
700C Disc Brake Gravel Carbon Fork Aero Gravel Bike Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleLightCarbon
700C Disc Brake Gravel Carbon Fork Racing Gravel Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleDeda Elementi
Allroad Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleMarzocchi
Bomber Z
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleMarzocchi
Bomber Z1
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleMarzocchi
Bomber Z1 Coil
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleMarzocchi
Bomber Z1 E-Optimized
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleMarzocchi
Bomber Z2
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleMarzocchi
Bomber Z2 E-Optimized
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleSalsa
Cutthroat Carbon Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleSalsa
Firestarter Carbon Fork
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Lauf
Grit
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Lauf
Grit SL
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleFormula
JOSH BRYCELAND SELVA
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleColumbus
Pista Leggera
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleX-Fusion
RC32 29
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleENVE
Road In-Route Fork 43mm
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Mechanically compatibleENVE
Road In-Route Fork 50mm
- Both use a tapered 1-1/8" to 1.5" steerer
- Both are built for 700c wheels
Frequently Asked Questions
What fits Trek Slash Carbon (Gen 4)?
On this page we list bottom brackets for this frame shell, seatposts for this seat tube, forks with a matching steerer and wheel size. Each listing was matched on a specification we hold for both parts; anything we could not verify is omitted rather than assumed to fit.
Can I mix Trek Slash Carbon (Gen 4) with road components?
Trek Slash Carbon (Gen 4) is recorded as a mtb component. Some standards do carry across (cassette spacing at a given speed count, for instance), but cable pull ratio and chainline frequently differ between mtb and road groups, so check the specific pairing rather than assuming it carries over.