Trek Fuel EX Carbon Frameset Gen 7
Frame

Specifications
- Manufacturer
- Trek
- Name
- Fuel EX Carbon Frameset Gen 7
- Discipline
- Mountain
- Material
- Carbon
- Seatpost Diameter (mm)
- 34.9[1]
- Wheel Sizes
- 700c / 29", 650b / 27.5"
- Frame Size
- S, M, L, XL, XXL
- Rear Axle Standard
- 12 × 148 mm (Boost)
- Rear Derailleur Mount
- UDH
- BB Standard
- BSA THREADED
- BB Thread Type
- BSA (English)
- Disc Brake Mount
- Post Mount[2]
- Cable Routing
- Internal
- Sources
- [1] trekbikes.com, checked 23 Aug 2026: Seatpost Diameter (mm)
- [2] vitalmtb.com, checked 17 Aug 2026: Disc Brake Mount
Compatibility
Trek Fuel EX Carbon Frameset Gen 7 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
Brake calipers this frame mounts20
Mechanically compatibleShimano
2-PISTON BRAKE CALIPER (BR-MT200)
- Both use a post mount disc brake
Mechanically compatibleShimano
2-PISTON BRAKE CALIPER (BR-MT500)
- Both use a post mount disc brake
Mechanically compatibleShimano
4-PISTON BRAKE CALIPER
- Both use a post mount disc brake
Mechanically compatibleShimano
4-PISTON BRAKE CALIPER (BR-MT420)
- Both use a post mount disc brake
Mechanically compatibleShimano
4-PISTON BRAKE CALIPER (BR-MT520)
- Both use a post mount disc brake
Mechanically compatibleFSA
AFTERBURNER MTB
- Both use a post mount disc brake
Mechanically compatibleLTWOO
Brake Caliper (BR-M00B-160F)
- Both use a post mount disc brake
Mechanically compatibleLTWOO
Brake Caliper (BR-M00B-160R)
- Both use a post mount disc brake
Mechanically compatibleLTWOO
Brake Caliper (BR-M01B-160F)
- Both use a post mount disc brake
Mechanically compatibleLTWOO
Brake Caliper (BR-M01B-160R)
- Both use a post mount disc brake
Mechanically compatibleShimano
DEORE 2-PISTON BRAKE CALIPER (BR-MT410)
- Both use a post mount disc brake
Mechanically compatibleHope
EVO GR4
- Both use a post mount disc brake
Mechanically compatibleHope
EVO TR4
- Both use a post mount disc brake
Mechanically compatibleHope
Evo X2
- Both use a post mount disc brake
Mechanically compatibleWheelTop
MA3000 Hydraulic Brake Caliper Set (MTB)
- Both use a post mount disc brake
Mechanically compatibleHope
RX4+SL PM
- Both use a post mount disc brake
Mechanically compatibleHope
Tech 3 Duo
- Both use a post mount disc brake
Mechanically compatibleHope
Tech 4 V4
- Both use a post mount disc brake
Mechanically compatibleHope
XCR Pro E4
- Both use a post mount disc brake
Mechanically compatibleHope
XCR Pro X2
- Both use a post mount disc brake
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
Shares a standardLightCarbon
29er Full Carbon Rigid Mtb Plus Fork
- Both are built for 700c wheels
Shares a standardLightCarbon
700C Disc Brake CX Fork Gravel Carbon Fork
- Both are built for 700c/650b wheels
Shares a standardLightCarbon
700C Disc Brake Gravel Carbon Fork Aero Gravel Bike Fork
- Both are built for 700c/650b wheels
Shares a standardLightCarbon
700C Disc Brake Gravel Carbon Fork Racing Gravel Fork
- Both are built for 700c/650b wheels
Shares a standardENVE
Adventure Fork
- Both are built for 700c wheels
Shares a standardENVE
All-Road In-Route Fork 47mm
- Both are built for 700c wheels
Shares a standardENVE
All-Road In-Route Fork 51mm
- Both are built for 700c wheels
Shares a standardDeda Elementi
Allroad Fork
- Both are built for 700c wheels
Shares a standardENVE
AR Disc Fork
- Both are built for 700c wheels
Shares a standardFormula
Belva
- Both are built for 700c/650b wheels
Shares a standardMarzocchi
Bomber 58
- Both are built for 650b wheels
Shares a standardMarzocchi
Bomber Z
- Both are built for 700c wheels
Shares a standardMarzocchi
Bomber Z1
- Both are built for 700c/650b wheels
Shares a standardMarzocchi
Bomber Z1 Coil
- Both are built for 700c wheels
Shares a standardMarzocchi
Bomber Z1 E-Optimized
- Both are built for 700c wheels
Shares a standardMarzocchi
Bomber Z2
- Both are built for 700c/650b wheels
Shares a standardMarzocchi
Bomber Z2 E-Optimized
- Both are built for 700c wheels
Shares a standardSalsa
Cutthroat Carbon Fork
- Both are built for 700c wheels
Shares a standardENVE
Disc Brake Fork
- Both are built for 700c wheels
Shares a standardSalsa
Firestarter Carbon Fork
- Both are built for 700c/650b wheels
Frequently Asked Questions
What fits Trek Fuel EX Carbon Frameset Gen 7?
On this page we list bottom brackets for this frame shell, brake calipers this frame mounts, 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 Fuel EX Carbon Frameset Gen 7 with road components?
Trek Fuel EX Carbon Frameset Gen 7 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.