2026 GT Sensor Carbon Pro vs 2027 Santa Cruz Tallboy
The M is the Santa Cruz Tallboy size closest to your M GT Sensor Carbon Pro. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Santa Cruz Tallboy
Compared with the GT Sensor Carbon Pro in M, the Santa Cruz Tallboy in M places the top of the head tube 9 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 9 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −9 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −9 mm
- Shorter: quicker to change direction
- Head angle
- +0.1°
- About the same head angle
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
GT Sensor Carbon Pro, MSanta Cruz Tallboy, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | GT Sensor Carbon Pro M | Santa Cruz Tallboy M | Difference |
|---|---|---|---|
| Reach | 455 | 455 | ±0 mm |
| Stack | 633 | 624 | −9 mm |
| Head tube angle | 65.0 | 65.1 | +0.1° |
| Seat tube angle | 77.0 | 77.3 | +0.3° |
| Effective top tube | 601 | 596 | −5 mm |
| Chainstay length | 440 | 435 | −5 mm |
| Wheelbase | 1221 | 1212 | −9 mm |
| BB drop | 36 | 36 | ±0 mm |
| Seat tube length | 400 | 400 | ±0 mm |
| Head tube length | 120 | 115 | −5 mm |
| BB height | not listed | 338 | |
| Standover | not listed | 718 |
Differences are the Santa Cruz Tallboy minus the GT Sensor Carbon Pro. Full charts: 2026 GT Sensor Carbon Pro, 2027 Santa Cruz Tallboy.
Where each sits in its class
GT Sensor Carbon ProSanta Cruz Tallboy
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 | GT Sensor Carbon ProCarbon Pro | Santa Cruz Tallboy90 |
|---|---|---|
| Frame | GT Sensor | Santa Cruz Tallboy |
| Fork | RockShox Lyrik Select | RockShox Pike Select |
| Rear shock | RockShox Super Deluxe Select | RockShox Deluxe Select+ |
| Shifter | SRAM NX Eagle | SRAM 90 Eagle Transmission |
| Derailleur | SRAM GX AXS | SRAM 90 Eagle Transmission |
| Cassette | SRAM PG | SRAM GX Eagle Transmission |
| Crankset | TruVativ Descendant GX | SRAM 90 Eagle DUB Transmission |
| Bottom bracket | SRAM DUB BSA | SRAM DUB |
| Wheelset | WTB KOM Trail | not listed |
| Tire | Continental Kryptotal | Maxxis Forekaster |
| Brake | SRAM Code R | SRAM DB 8 |
| Rotor | SRAM Code R | SRAM HS2 |
| Handlebar | GT Alloy Riser | OneUp Components Aluminum Bar |
| Headset | FSA 42 | Cane Creek 50 IS Integrated Headset |
| Seatpost | TranzX adjustable | not listed |
| Chain | not listed | SRAM GX Eagle Transmission |
| Chainring | not listed | SRAM Eagle AXS |
| Hub | not listed | DT Swiss 370 |
| Rim | not listed | Reserve 30|TR AL |
| Stem | not listed | OneUp Components Enduro Stem |
| Grips | not listed | Santa Cruz House |
| Dropper post | not listed | OneUp Components Dropper Post |
| Saddle | not listed | SDG Bel-Air V3 Lux-Alloy |
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
