2026 Trek Fuel EX 9.9 Gen 7 vs 2027 Santa Cruz Tallboy FA
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Santa Cruz Tallboy FA
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- −7 mm
- Shorter: livelier
The two frames
Only the Trek Fuel EX 9.9 Gen 7 is drawn. The Santa Cruz Tallboy FA numbers we have for size M are missing the reach, stack and wheelbase.
Geometry side by side
| Measurement | Trek Fuel EX 9.9 Gen 7 L | Santa Cruz Tallboy FA M | Difference |
|---|---|---|---|
| Reach | 485 | not listed | |
| Stack | 638 | not listed | |
| Head tube angle | 64.5° | 64.8 | +0.3° |
| Seat tube angle | 77.4° | 77 | −0.4° |
| Effective top tube | 617 | 596 | −21 mm |
| Chainstay length | 442 | 435.5 | −7 mm |
| Wheelbase | 1262 | not listed | |
| BB drop | 35 | not listed | |
| BB height | 339 | not listed | |
| Standover | 749 | not listed | |
| Seat tube length | 420 | not listed | |
| Head tube length | 125 | 115 | −10 mm |
Differences are the Santa Cruz Tallboy FA minus the Trek Fuel EX 9.9 Gen 7. Full charts: 2026 Trek Fuel EX 9.9 Gen 7, 2027 Santa Cruz Tallboy FA.
Where each sits in its class
Trek Fuel EX 9.9 Gen 7Santa Cruz Tallboy FA
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
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 9.9 Gen 79.9 X0 AXS Gen 7 | Santa Cruz Tallboy FAXX AXS FA RSV |
|---|---|---|
| Fork | RockShox Lyrik Ultimate | RockShox Pike Flight Attendant Ultimate |
| Rear shock | RockShox Deluxe RC2T Ultimate | RockShox Super Deluxe Flight Attendant Ultimate |
| Shifter | SRAM Pod Controller | SRAM Pod Rocker Controller |
| Derailleur | SRAM X0 Eagle AXS | SRAM XX SL Eagle Transmission |
| Cassette | SRAM X0 Eagle Transmission | SRAM XX SL 1299 Eagle Transmission |
| Chain | SRAM X0 Eagle | SRAM XX SL Eagle Transmission |
| Crankset | SRAM X0 Eagle | SRAM XX SL Eagle Power Meter Transmission |
| Battery | SRAM AXS | not listed |
| Wheelset | Bontrager Line Pro 30 | not listed |
| Tire | Maxxis Minion DHF | Maxxis Dissector |
| Brake | SRAM Maven | SRAM Maven Carbon Ultimate |
| Rotor | SRAM HS2 | SRAM HS2 |
| Handlebar | Race Face ERA | not listed |
| Stem | Race Face Turbine | Industry Nine A35 |
| Grips | Trek Line Elite | not listed |
| Seatpost | RockShox Reverb AXS | not listed |
| Saddle | Trek Verse | WTB Silverado Medium Fusion |
| Bottom bracket | not listed | SRAM DUB 68/73mm Threaded BB |
| Rim | not listed | Reserve 30|SL Carbon |
| Headset | not listed | Chris King DropSet 3 50th Anniversary Integrated Headset |
| Dropper post | not listed | OneUp Components Dropper Post |
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