2026 Forbidden Druid Tier vs 2026 GT Sensor ST Carbon Pro
The L is the GT Sensor ST Carbon Pro size closest to your S4 Forbidden Druid Tier. 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 GT Sensor ST Carbon Pro
Compared with the Forbidden Druid Tier in S4, the GT Sensor ST Carbon Pro in L places the top of the head tube 13 mm lower and 15 mm further back, relative to the bottom bracket. Its wheelbase is 54 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −13 mm
- Lower front end
- Frame reach
- −15 mm
- Shorter frame reach
- Wheelbase
- −54 mm
- Shorter: quicker to change direction
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Forbidden Druid Tier is drawn. The GT Sensor ST Carbon Pro numbers we have for size L are missing the chainstay length.
Geometry side by side
| Measurement | Forbidden Druid Tier S4 | GT Sensor ST Carbon Pro L | Difference |
|---|---|---|---|
| Reach | 500 | 485 | −15 mm |
| Stack | 651 | 638 | −13 mm |
| Head tube angle | 65.0 | 65.4 | +0.4° |
| Seat tube angle | 77 | 77.4 | +0.4° |
| Effective top tube | 650 | 627 | −23 mm |
| Chainstay length | 466 | not listed | |
| Wheelbase | 1300 | 1246 | −54 mm |
| BB drop | -35 | not listed | |
| BB height | 337 | not listed | |
| Standover | 730 | 731 | +1 mm |
| Seat tube length | 470 | 420 | −50 mm |
| Fork length | 561 | not listed | |
| Head tube length | 135 | not listed |
Differences are the GT Sensor ST Carbon Pro minus the Forbidden Druid Tier. Full charts: 2026 Forbidden Druid Tier, 2026 GT Sensor ST Carbon Pro.
Where each sits in its class
Forbidden Druid TierGT Sensor ST Carbon Pro
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 | Forbidden Druid TierTier 1 | GT Sensor ST Carbon ProST Carbon Pro |
|---|---|---|
| Frame | Forbidden Druid | GT Sensor |
| Fork | RockShox Lyrik Ultimate | RockShox Pike Select+ |
| Rear shock | RockShox Super Deluxe Ultimate Trunnion | RockShox Deluxe Select+ |
| Derailleur | SRAM X0 Eagle Transmission | SRAM GX AXS |
| Cassette | SRAM X0 Eagle Transmission | SRAM PG |
| Chain | SRAM X0 Eagle Transmission | SRAM NX Eagle |
| Crankset | SRAM XX Eagle Transmission DH | TruVativ Stylo |
| Wheelset | DT Swiss 240 SPLINE | WTB KOM Trail |
| Tire | Maxxis Minion DHF/Dissector 2 | Maxxis Dissector, Maxxis Rekon |
| Brake | SRAM Maven Ultimate | SRAM G2 RSC |
| Rotor | SRAM HS2 | SRAM G2 |
| Handlebar | OneUp Components V3 | GT Alloy Riser |
| Headset | Cane Creek 40 | FSA 42 |
| Dropper post | OneUp Components V3 | not listed |
| Saddle | Forbidden standard | WTB Silverado |
| Shifter | not listed | SRAM NX Eagle |
| Bottom bracket | not listed | SRAM DUB BSA |
| Grips | not listed | GT Mushroom |
| Seatpost | not listed | GT DropKick |
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