2025 Transition Scout Alloy vs 2026 Forbidden Reya Tier
The S1 is the Forbidden Reya Tier size closest to your XS Transition Scout Alloy. 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 Forbidden Reya Tier
Compared with the Transition Scout Alloy in XS, the Forbidden Reya Tier in S1 places the top of the head tube 21 mm higher and 25 mm further forward, relative to the bottom bracket. Its wheelbase is 10 mm longer, which can contribute to stability at speed.
- Frame stack
- +21 mm
- Higher front end
- Frame reach
- +25 mm
- Longer frame reach
- Wheelbase
- +10 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
Only the Transition Scout Alloy is drawn. The Forbidden Reya Tier numbers we have for size S1 are missing the chainstay length.
Geometry side by side
| Measurement | Transition Scout Alloy XS | Forbidden Reya Tier S1 | Difference |
|---|---|---|---|
| Reach | 410 | 435 | +25 mm |
| Stack | 577 | 598 | +21 mm |
| Head tube angle | 64.0 | 65.0 | +1.0° |
| Seat tube angle | 72 | 68.9 | −3.1° |
| Effective top tube | 534 | 573 | +39 mm |
| Chainstay length | 430 | not listed | |
| Wheelbase | 1153 | 1163 | +10 mm |
| BB drop | 18 | not listed | |
| BB height | 337 | 331 | −6 mm |
| Standover | 665 | 715 | +50 mm |
| Seat tube length | 350 | 400 | +50 mm |
| Head tube length | 95 | 90 | −5 mm |
| Fork length | not listed | 541 |
Differences are the Forbidden Reya Tier minus the Transition Scout Alloy. Full charts: 2025 Transition Scout Alloy, 2026 Forbidden Reya Tier.
Where each sits in its class
Transition Scout AlloyForbidden Reya Tier
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 | Transition Scout AlloyAlloy Deore | Forbidden Reya TierTier 1 |
|---|---|---|
| Frame | Transition Scout | Forbidden Reya |
| Fork | RockShox Psylo Gold | Fox 34 Factory SL |
| Rear shock | RockShox Deluxe Select+ | Fox Float Factory |
| Shifter | Shimano Deore | SRAM Pod Rocker Controller |
| Derailleur | Shimano Deore | SRAM XX XX SL |
| Cassette | Shimano Deore M6100 | SRAM XX SL Eagle Transmission |
| Chain | Shimano Deore XT | SRAM XX SL |
| Crankset | Shimano Deore M6100 | SRAM XX SL |
| Wheelset | Novatec D791SB/D902SB with WTB ST i30 | not listed |
| Tire | Maxxis Minion DHR II DD | Maxxis Rekon Race |
| Brake | Shimano Deore XT | SRAM Motive Ultimate |
| Rotor | Shimano Deore M6120 | SRAM HS2 |
| Handlebar | Race Face Chester | OneUp Components Carbon |
| Stem | Race Face Aeffect R | BikeYoke Barkeeper Stem |
| Grips | ODI Elite Flow | not listed |
| Headset | FSA 57E | Cane Creek 40 |
| Dropper post | SDG Tellis Dropper | OneUp Components V3 Dropper Post |
| Saddle | SDG Bel Air 3 | fizik Terra Ridon X1 |
| Chainring | not listed | SRAM 32T |
| Bottom bracket | not listed | SRAM DUB |
| Battery | not listed | SRAM AXS EP Powerpack |
| Hub | not listed | DT Swiss 240 SPLINE, DT Swiss 240 SPLINE Ratchet EXP |
| Rim | not listed | DT Swiss 1500 |
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