Quiver

2026 Transition Sentinel Carbon vs 2026 Santa Cruz Bronson C

The Santa Cruz Bronson C size closest to your M is the M. Compare the M instead

What changes on the Santa Cruz Bronson C

Compared with the Transition Sentinel Carbon in M, the Santa Cruz Bronson C in XXL places the top of the head tube 47 mm higher and 70 mm further forward, relative to the bottom bracket. Its wheelbase is 94 mm longer, which can contribute to stability at speed.

Frame stack
+47 mm
Higher front end
Frame reach
+70 mm
Longer frame reach
Wheelbase
+94 mm
Longer: steadier at speed
Head angle
+0.2°
About the same head angle
Chainstays
+6 mm
Longer: more planted

The two frames

2026 Transition Sentinel Carbon (M) and 2026 Santa Cruz Bronson C (XXL), lined up at the bottom bracketBoth frames drawn to scale. The Transition Sentinel Carbon is drawn in full with its measurements, and the Santa Cruz Bronson C is the colored outline on top.J 1237

Transition Sentinel Carbon, MSanta Cruz Bronson C, XXLDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTransition Sentinel Carbon MSanta Cruz Bronson C XXLDifference
Reach455525+70 mm
Stack621668+47 mm
Head tube angle64.064.2+0.2°
Seat tube angle77.978.4+0.5°
Effective top tube586662+76 mm
Chainstay length442448+6 mm
Wheelbase12371331+94 mm
BB height350344−6 mm
Standover690731+41 mm
Seat tube length390500+110 mm
Head tube length110160+50 mm
BB dropnot listed29

Differences are the Santa Cruz Bronson C minus the Transition Sentinel Carbon. Full charts: 2026 Transition Sentinel Carbon, 2026 Santa Cruz Bronson C.

Where each sits in its class

Transition Sentinel CarbonSanta Cruz Bronson C

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

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.

PartTransition Sentinel CarbonCarbon Eagle 90Santa Cruz Bronson CC
FrameTransition Sentinelnot listed
ForkRockShox Lyrik Ultimatenot listed
Rear shockRockShox Super Deluxe Ultimate TrunnionFox FLOAT X Performance Elite
ShifterSRAM Eagle 90 Transmissionnot listed
DerailleurSRAM Eagle 90 Transmissionnot listed
CassetteSRAM GX Eagle Transmissionnot listed
ChainSRAM GX Eagle Transmissionnot listed
CranksetSRAM Eagle 90 Transmissionnot listed
ChainringSRAM 30 GXnot listed
WheelsetDT Swiss M1900not listed
TireMaxxis Assegai, Maxxis Minion DHR II DDnot listed
BrakeSRAM Maven Silver Stealthnot listed
RotorSRAM CenterLinenot listed
HandlebarRace Face Turbinenot listed
StemRace Face Aeffect Rnot listed
GripsODI Elite Flownot listed
HeadsetFSA 57Enot listed
Dropper postOneUp Components dropper postnot listed
SaddleSDG Bel Air 3not listed

Know what is on every bike.

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