2026 Transition Spire Alloy vs 2026 Orange Switch Ultimate
The M is the Orange Switch Ultimate size closest to your M Transition Spire 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 Orange Switch Ultimate
Compared with the Transition Spire Alloy in M, the Orange Switch Ultimate in M places the top of the head tube 11 mm higher and 8 mm further forward, relative to the bottom bracket.
- Frame stack
- +11 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- −2 mm
- About the same
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- +4 mm
- Longer: more planted
The two frames
Transition Spire Alloy, MOrange Switch Ultimate, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Transition Spire Alloy M | Orange Switch Ultimate M | Difference |
|---|---|---|---|
| Reach | 460 | 468 | +8 mm |
| Stack | 619 | 630 | +11 mm |
| Head tube angle | 63 | 64 | +1.0° |
| Seat tube angle | 70.5 | 76 | +5.5° |
| Effective top tube | 577 | 625 | +48 mm |
| Chainstay length | 446 | 450 | +4 mm |
| Wheelbase | 1257 | 1255 | −2 mm |
| BB drop | 25 | not listed | |
| BB height | 350 | 335 | −15 mm |
| Seat tube length | 390 | 406.4 | +16 mm |
| Head tube length | 100 | 110 | +10 mm |
| Standover | not listed | 733 |
Differences are the Orange Switch Ultimate minus the Transition Spire Alloy. Full charts: 2026 Transition Spire Alloy, 2026 Orange Switch Ultimate.
Where each sits in its class
Transition Spire AlloyOrange Switch Ultimate
Each bike is ranked against the other enduro 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 Spire AlloyAlloy Eagle 70 | Orange Switch Ultimate |
|---|---|---|
| Frame | Transition Spire | not listed |
| Fork | RockShox Domain | not listed |
| Rear shock | RockShox Super Deluxe Base | not listed |
| Shifter | SRAM Eagle AXS | not listed |
| Derailleur | SRAM Eagle 70 Transmission | not listed |
| Cassette | SRAM Eagle 70 Transmission | not listed |
| Chain | SRAM Eagle 70 Transmission | not listed |
| Crankset | SRAM Eagle 70 Transmission | not listed |
| Chainring | SRAM 30 GX | not listed |
| Wheelset | WTB ST i30 | not listed |
| Tire | Maxxis Assegai, Maxxis Minion DHR II DD | not listed |
| Brake | SRAM Maven Base | not listed |
| Rotor | SRAM CenterLine | not listed |
| Handlebar | Race Face Chester | not listed |
| Stem | Race Face Aeffect R | not listed |
| Grips | ODI Longneck V2.1 | not listed |
| Headset | FSA NO.55R/57 | not listed |
| Dropper post | SDG Tellis Dropper | not listed |
| Saddle | SDG Bel-Air | not listed |
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