Cervelo Caledonia
Sportive and rough-road riders who found R5/S5 too low.
Cervelo endurance road: taller, more tire room, all-day. It is not a slow bike — it is an R5 that sat up.
Sportive and rough-road riders who found R5/S5 too low.
Cervelo endurance road: taller, more tire room, all-day. It is not a slow bike — it is an R5 that sat up.
Sportive riders and anyone who found TCR too low. Gravel-curious riders may still prefer Revolt for tire room.
Endurance Giant: taller stack, longer endurance front center, and a ride aimed at all-day road rather than crits.
Gravel riders who want one bike for events and weekends. Racers who want a lower, racier gravel bike should also look at Crux.
Specialized's gravel all-rounder. Future Shock up front (on many kits), generous tire room, and a position between Crux-race and touring. Recent Diverge 4 years shift clearance and front-end feel.
| Measurement | ![]() BreezerRadar 2017 | ![]() CerveloCaledonia 2022 | ![]() GiantDefy Advanced 2022 | ![]() SpecializedDiverge 2024 |
|---|---|---|---|---|
| Stackmm | 594 | 595+1 | 595+1 | 612+18 |
| Reachmm | 388 | 387−1 | 384−4 | 390+2 |
| Head tube angle° | 71.5 | 72.0+0.5 | 72.5+1.0 | 71.5 |
| Seat tube angle° | 73.5 | 73.0−0.5 | 73.0−0.5 | 73.2−0.3 |
| Chainstaymm | 435 | 415−20 | 420−15 | 425−10 |
| Wheelbasemm | 1054 | 1022−32 | 1022−32 | 1055+1 |
| BB dropmm | 70 | 74+4 | 75+5 | 78+8 |
| BB heightmm | — | — | — | — |
| Standovermm | — | — | — | — |



| Part | Radar 54 | Caledonia 56 | Defy Advanced ML | Diverge 56 |
|---|---|---|---|---|
| Stem | 100 mm | 100 mm | 100 mm | 100 mm |
| Bar | 420 mm | 420 mm | 420 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm | 172.5 mm | 172.5 mm |
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