2018 Trek Fuel EX vs 2020 Specialized Fuse 27.5
The Specialized Fuse 27.5 size closest to your 18.5 is the M. Compare the M instead
What changes on the Specialized Fuse 27.5
Compared with the Trek Fuel EX in 18.5, the Specialized Fuse 27.5 in S places the top of the head tube 6 mm lower and 23 mm further back, relative to the bottom bracket. Its wheelbase is 34 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- −23 mm
- Shorter frame reach
- Wheelbase
- −34 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Fuel EX numbers we have for size 18.5 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Fuel EX 18.5 | Specialized Fuse 27.5 S | Difference |
|---|---|---|---|
| Reach | 443 | 420mm | −23 mm |
| Stack | 609 | 603mm | −6 mm |
| Head tube angle | 67 | 66° | −1.0° |
| Effective top tube | 618 | not listed | |
| Chainstay length | 433 | 430mm | −3 mm |
| Wheelbase | 1174 | 1140mm | −34 mm |
| BB drop | 39 | not listed | |
| BB height | 335 | not listed | |
| Standover | 735 | 736mm | +1 mm |
| Seat tube length | 440 | 375mm | −65 mm |
| Head tube length | not listed | 105mm | |
| Seat tube angle | not listed | 74° | |
| Fork length | not listed | 520mm |
Differences are the Specialized Fuse 27.5 minus the Trek Fuel EX. Full charts: 2018 Trek Fuel EX, 2020 Specialized Fuse 27.5.
Where each sits in its class
Trek Fuel EXSpecialized Fuse 27.5
Each bike is ranked against the other trail bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek Fuel EX | Specialized Fuse 27.527.5 |
|---|---|---|
| Fork | not listed | RockShox Judy |
| Shifter | not listed | Shimano Deore |
| Derailleur | not listed | Shimano Deore |
| Chain | not listed | KMC X10 |
| Crankset | not listed | Specialized Stout |
| Wheelset | not listed | Specialized Stout |
| Tire | not listed | Specialized Butcher GRID, Specialized Slaughter GRID |
| Brake | not listed | Tektro HD-M275 |
| Handlebar | not listed | Specialized Stout |
| Stem | not listed | Specialized Stout |
| Seatpost | not listed | TranzX Dropper |
| Saddle | not listed | Specialized Bridge Saddle |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
