What seatpost diameter does a Trek Fuel EX (Gen 6 on) use?
The seatpost fitment standard on a Trek Fuel EX (Gen 6 on), and how to pick the right part.
This frame's fitment
| Frame | Trek Fuel EX (Gen 6 on) |
|---|---|
| Seatpost diameter | 34.9 mm |
| Diameter | 34.9 mm |
| Typical class | modern trail and enduro mountain frames wanting the largest, stiffest dropper interface |
The current Trek Fuel EX uses a ZS44 upper zero-stack headset, a 34.9 mm dropper seatpost and a 15x110 Boost front thru-axle, with a 12x148 Boost rear.
The Fuel EX is 1x with no front derailleur. The bottom bracket returned to a 73 mm BSA threaded shell, covered on its own page.
The part to buy
Search Amazon for 34.9 mm seatpost for your Trek Fuel EX (Gen 6 on)affiliate searchFind 34.9 mm seatpost for your Trek Fuel EX (Gen 6 on) on eBayaffiliate
Related fitment pages
34.9 mm seatpost34.9 mmBottom bracket for Trek Fuel EX (Gen 6 on)same frame, BB shellHeadset on a Trek Fuel EX (Gen 6 on)same frame34.9 mm seatpost on a Specialized Stumpjumper (2019 on carbon)same standard, another frame
SOURCES: BikeGremlin, Seatpost diameter sizes (standards) · BikeRadar, Bike seatposts explained: diameters, materials, lengths · Park Tool, Standardized Headset Identification System (SHIS) · BikeRadar, Mountain bike axle standards: the complete guide