BikeGeoLab
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Santa Cruz Bronson (2026) – geometry

A
Santa Cruz · Enduro · Mullet 29″/27.5″Manufacturer data · as of Oct 18, 2026Source
Cockpit: 15 mm spacers · 45 mm stem · 0°
Saddle: same saddle height · 0 mm setback · centred (default)
Fixpoint
480
Reach: Horizontal distance from the bottom bracket to the top of the head tube. More reach = more stretched-out position. · grid 10 cm
MeasureBronson (2026) L · High
Frame
Stackmm641
Reachmm480
Stack / Reach1.34
Head angle°64.2°
Seat angle°78.2°
Head tubemm130
Seat tubemm430
Top tube (effective)mm614
Chainstaymm442
Rear centre (horizontal)mm442
Wheelbasemm1267
Front centremm825
BB dropmm29
BB heightmm344
Fork offsetmm44
Trailmm131
Fork axle-to-crownmm–
Cockpit & riding position
Bar reachmm505
Bar stackmm692
Saddle – barmm653
Saddle-to-bar dropmm13

italic = calculated · tap a row to pin the measure in the drawing · Δ relative to Bronson (2026)

Geometry table Santa Cruz Bronson (2026)

Enduro · Mullet 29″/27.5″ · Sizes S–XXL · Stack 623–670 mm · Reach 432–525 mm · Head angle 63.9–64.2°

MeasureS · HighS · LowM · HighM · LowL · HighL · LowXL · HighXL · LowXXL · HighXXL · Low
Stackmm623625632634641643659661668670
Reachmm435432460457480478500498525523
Stack / Reach1.431.451.371.391.341.351.321.331.271.28
Head angle°64.2°63.9°64.2°63.9°64.2°63.9°64.2°63.9°64.2°63.9°
Seat angle°77.6°77.3°77.9°77.6°78.2°77.9°78.3°78.0°78.4°78.1°
Head tubemm110110120120130130150150160160
Seat tubemm380380405405430430460460500500
Top tube (effective)mm572572595595614614636636662662
Chainstaymm437437439439442442445445448448
Rear centre (horizontal)mm437437439439442442445445448448
Wheelbasemm1208120812401240126712671299129913311331
Front centremm771771800800825825853853883883
BB dropmm29322932293229322932
BB heightmm344341344341344341344341344341
Fork offsetmm44444444444444444444
Trailmm131134131134131134131134131134

italic = calculated from the other values · Source: Geometry table Santa Cruz, as of Oct 18, 2026

Similar geometry

Size finder · transfer your fit

Transfer your riding position to a new bike

Enter your well-fitting bike with saddle height, seatpost and cockpit. For every size of the new bike we calculate the stem, spacers, saddle height, setback and saddle position that reproduce the same contact points. This is a geometric approximation without guarantee and does not replace a professional bike fit.

1

Your bike – how you sit today

Saddle

Cockpit

Saddle
147 mm behind · 705 mm above BB
Handlebar
505 mm ahead · 692 mm above BB
Saddle–bar
653 mm · drop 13 mm

Saddle height: bottom bracket centre to top of saddle along the seat-tube axis. Saddle fore/aft: + forward, − back. Spacers incl. top cap, handlebar centre = stem clamp.

2

New bike – what do I need to set up?

Choose the bike you want to transfer your position to. We calculate every size.

Explore

All frame sizes at a glance

All frame sizes by stack and reach or any other measure – click a dot or line to add the bike to the comparison.

1040 of 1040 sizes · 159 models
350400450500550450500550600650700Reach (mm)Stack (mm)A

Each dot is a frame size. Coloured dots with a letter = current comparison.

Similar to Bronson (2026) L · High

Similarity over the axes of the geometry profile below; stack and reach count 1.5×. The best-matching size per model, filters are respected.

Geometry profile

Each line is a frame size across all selected measures. Drag on an axis to filter a range – this also affects the chart and the similarity list.

Stackmm500600Drag to filter Stack · click to remove the filterReachmm350400450500Drag to filter Reach · click to remove the filterHead angle°65.0°70.0°Drag to filter Head angle · click to remove the filterSeat angle°72.0°74.0°76.0°78.0°Drag to filter Seat angle · click to remove the filterWheelbasemm10001200Drag to filter Wheelbase · click to remove the filterChainstaymm420440Drag to filter Chainstay · click to remove the filterBB heightmm300350Drag to filter BB height · click to remove the filterTrailmm50100150Drag to filter Trail · click to remove the filter

Drag on an axis to filter a range · click a line to compare the bike

BikeGeoLab

Making bike geometry visible – with verified manufacturer data, model year and source.

Geometry data comes from the manufacturers' geometry tables, each linked with source and retrieval date. No guarantee for correctness – data may be wrong or outdated, calculated values and the size finder are approximations and do not replace a professional bike fit. Brand and model names belong to their respective owners; there is no affiliation with the manufacturers.

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Paste a geometry table

Select the table on the manufacturer's page, copy it and paste it here. Sizes as columns or rows, German or English; values like “435/432” for flip chips are recognised.

Sizes (mm / degrees · * required · setting e.g. “High”, “Low”, “Mullet”)

Size*SettingStack*Reach*Head ∠ °*Seat ∠ °*Head tube*Chainstay*BB drop*BB drop rearSeat tubeTop tubeWheelbaseFork offsetAxle-to-crownBB heightFront ctr.TrailStemSpacers