Established position · identical on both bikes
Position in space is the constant. Components differ per bike to achieve it.
Saddle height
747.1mm
29.4 in
Saddle setback
120mm
tip to BRP
Drop to bar
77mm
saddle to bar
Drop to lever
49mm
saddle to lever
Crank length
170mm
both bikes
Saddle angle
1.5°
covered (nose down)
Domane SL6 Di2
Cockpit: Bontrager Aeolus RSL VR-C
Size: 380/380mm × 100mm
Shape: Traditional (equal width)
Saddle: Pro Stealth Performance 142mm
⏳ Cockpit on order · $749.99
Madone SL6 AXS
Cockpit: Trek Aero RSL Road Integrated
Size: 370/400mm × 100mm
Shape: Flared aero (wider at hoods)
Saddle: Pro Stealth Performance 142mm
⏳ Cockpit on order · $699.99
Shoe: 3mm shim right shoe · Masterfit EZFit cycle footbed · Garmin Red cleats, neutral position
Fit findings · Jason's motion capture (DSS)
Leg arc
Before
48.5°
43.5°
after · 5° improvement
Leg smoothness
Before
6.2%
8.4%
after · improved
Pelvic rock
5.2°
watch — threshold ~5°
Pelvic rotation
3.5°
stable · acceptable
Cadence at fit
85rpm
max 91rpm
Saddle angle
1.5°
covered · nose down
Key intervention: 3mm right shoe shim addressed the right-side pedal differential confirmed in pre-ride PCO data. Combined with footbed and cleat refinement, produced noticeably better pelvic stability and a smoother, more balanced pedal stroke. Cockpit lowering resolved shoulder/wrist/upper body tension.
Cadence vs grade · terrain response
Post-fit cadence pattern across terrain. Track whether shorter cranks shift this distribution upward.
Click Refresh AI above to generate AI insights on your post-fit progression.
Cadence vs grade · how cadence shifts on climbs
Reveals whether you grind or spin as terrain steepens — informs saddle position and gearing recommendations.
Click Refresh AI above to generate AI-written brief sections from your ride data and questionnaire.