2024 Transition Relay PNW Carbon vs 2025 Santa Cruz Megatower
The L is the Santa Cruz Megatower size closest to your L Transition Relay PNW Carbon. 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 Megatower
Compared with the Transition Relay PNW Carbon in L, the Santa Cruz Megatower in L places the top of the head tube 5 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 16 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −16 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −6 mm
- Shorter: livelier
The two frames
Transition Relay PNW Carbon, LSanta Cruz Megatower, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Transition Relay PNW Carbon L | Santa Cruz Megatower L | Difference |
|---|---|---|---|
| Reach | 477 | 475 | −2 mm |
| Stack | 643 | 638 | −5 mm |
| Head tube angle | 63.3 | 63.8 | +0.5° |
| Seat tube angle | 77.1 | 77.8 | +0.7° |
| Effective top tube | 631 | 613 | −18 mm |
| Chainstay length | 446 | 440 | −6 mm |
| Wheelbase | 1282 | 1266 | −16 mm |
| BB drop | 25 | 26.5 | +2 mm |
| BB height | 350 | 346 | −4 mm |
| Seat tube length | 430 | 430 | ±0 mm |
| Head tube length | 125 | 115 | −10 mm |
| Standover | not listed | 723 |
Differences are the Santa Cruz Megatower minus the Transition Relay PNW Carbon. Full charts: 2024 Transition Relay PNW Carbon, 2025 Santa Cruz Megatower.
Where each sits in its class
Transition Relay PNW CarbonSanta Cruz Megatower
Each bike is ranked against its own type on Quiver (trail and enduro), 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 Relay PNW CarbonPNW Carbon Eagle 90 | Santa Cruz MegatowerGX AXS |
|---|---|---|
| Frame | Transition Relay | Santa Cruz Megatower |
| Fork | RockShox Zeb Ultimate Charger 3 RC2 | Fox 38 Performance Elite |
| Rear shock | RockShox Vivid Coil Ultimate | Fox Float X Performance Elite |
| Shifter | SRAM Eagle 90 Transmission | SRAM Pod Controller |
| Derailleur | SRAM Eagle 90 Transmission | SRAM GX Eagle AXS |
| Cassette | SRAM 1275 | SRAM GX Eagle |
| Chain | SRAM Eagle | SRAM GX Eagle |
| Crankset | Race Face Aeffect ETOR | SRAM GX Eagle |
| Chainring | Transition Bash Spider | SRAM GX Eagle |
| Motor | Fazua Ride 60 | not listed |
| Battery | Fazua Energy 430 | not listed |
| Wheelset | DT Swiss E 1900 Spline 30 | not listed |
| Tire | Schwalbe Magic Mary, Schwalbe Big Betty | Maxxis Assegai, Maxxis Minion DHR II |
| Brake | SRAM Maven Silver Stealth | SRAM Maven Bronze |
| Rotor | SRAM HS2 | SRAM HS2 |
| Handlebar | ANVL Mandrel 35 | Santa Cruz 35 |
| Stem | ANVL Swage | Burgtec Enduro MK3 |
| Grips | ODI Elite Flow | Santa Cruz House |
| Headset | FSA 55R | Cane Creek 40 |
| Seatpost | OneUp Components Dropper | not listed |
| Saddle | SDG Bel Air 3 LUX | SDG Bel Air V3 |
| Bottom bracket | not listed | SRAM DUB |
| Hub | not listed | DT Swiss 370 |
| Rim | not listed | Reserve 30|SL AL 6069, Reserve 30|HD |
| Dropper post | not listed | OneUp Components V2 Dropper Post |
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