What thru-axle does a Trek Fuel EX (Gen 6 on) use?
The axle 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) |
|---|---|
| Front thru-axle | 15x110 mm Boost front thru-axle (15 mm x 110 mm Boost, front) |
| Axle diameter | 15 mm axle |
| Thread pitch | commonly M15 x 1.5 |
SHELL commonly M15 x 1.5
SPINDLE see table
SPINDLE see table
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 15x110 mm Boost front thru-axle for your Trek Fuel EX (Gen 6 on)affiliate searchFind 15x110 mm Boost front thru-axle for your Trek Fuel EX (Gen 6 on) on eBayaffiliate
Related fitment pages
15x110 mm Boost front thru-axle15 mm x 110 mm Boost, frontBottom bracket for Trek Fuel EX (Gen 6 on)same frame, BB shellHeadset on a Trek Fuel EX (Gen 6 on)same frame15x110 mm Boost front thru-axle on a Specialized Stumpjumper (2019 on carbon)same standard, another frame
SOURCES: BikeRadar, Mountain bike axle standards: the complete guide · Velopedia, Boost spacing · Park Tool, Standardized Headset Identification System (SHIS)