Quiver

2026 Transition Regulator vs 2026 Santa Cruz Bronson C

The M is the Santa Cruz Bronson C size closest to your M Transition Regulator. 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 Bronson C

Compared with the Transition Regulator in M, the Santa Cruz Bronson C in M places the top of the head tube at about the same height and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.

Frame stack
±0 mm
About the same height
Frame reach
+5 mm
Longer frame reach
Wheelbase
+5 mm
Longer: steadier at speed
Head angle
−0.3°
About the same head angle
Chainstays
−3 mm
Shorter: livelier

The two frames

2026 Transition Regulator (M) and 2026 Santa Cruz Bronson C (M), lined up at the bottom bracketBoth frames drawn to scale. The Transition Regulator is drawn in full with its measurements, and the Santa Cruz Bronson C is the colored outline on top.J 1235

Transition Regulator, MSanta Cruz Bronson C, MDrawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementTransition Regulator MSanta Cruz Bronson C MDifference
Reach455460+5 mm
Stack632632±0 mm
Head tube angle64.5°64.2−0.3°
Seat tube angle78.5°77.9−0.6°
Effective top tube583595+12 mm
Chainstay length442439−3 mm
Wheelbase12351240+5 mm
BB drop2529+4 mm
BB height350344−6 mm
Seat tube length400405+5 mm
Head tube length115120+5 mm
Standovernot listed723

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

Where each sits in its class

Transition RegulatorSanta 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 RegulatorDeoreSanta Cruz Bronson CC
ForkRockShox Lyrik Basenot listed
Rear shockRockShox Super Deluxe SelectFox FLOAT X Performance Elite
ShifterShimano Deorenot listed
ChainringE*thirteen Helix Racenot listed
MotorBosch SXnot listed
WheelsetWTB ST i30not listed
TireMaxxis Assegai, Maxxis Minion DHR II DDnot listed
BrakeShimano Deore XTnot listed
RotorShimano RT-66not listed
HandlebarRace Face Chesternot listed
StemRace Face Aeffectnot listed
Dropper postSDG Tellis Droppernot listed
SaddleSDG Bel-Airnot listed

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet