Colle del Ranghetto cycling climb profile
Colle del Ranghetto is a category 1 climb in Italy that rewards discipline more than aggression. On paper, the numbers are clear: 20.2 km at an average gradient of 5.28%, starting at 218 m and finishing at 1283 m. That makes it a long aerobic climb rather than a short power test, with the main difficulty coming from how long you have to keep producing controlled power.
The net elevation gain is 1065 m, so this is not a climb to treat casually because the average gradient looks moderate. A 5.28% average over 20.2 km still means a sustained workload, and the maximum gradient of 10.21% tells you there are sections where the climb bites above its overall rhythm.
How the gradient unfolds
Without a detailed kilometre-by-kilometre profile, the most useful way to read Colle del Ranghetto is through the relationship between its average and maximum gradients. The average of 5.28% suggests a climb that spends much of its time in a manageable climbing range. The 10.21% maximum gradient shows that the road does not simply hold one steady tempo from bottom to summit.
That matters tactically. If you pace only for the average, the steeper ramps can force repeated accelerations above threshold. If you pace for the steepest number, you will ride too conservatively for too long. The correct approach sits between those two readings: ride the opening part as if the climb is longer than it feels, then use the easier gradients to settle rather than surge.
The altitude change also shapes the effort. Starting at 218 m and climbing to 1283 m means the road keeps asking for work all the way to the top. The psychological mistake is to think of this as a rolling ascent because the average is not extreme. The better read is that Colle del Ranghetto is a long, accumulating climb where small pacing errors compound.
Pacing and gearing notes
For most riders, this should be ridden below full threshold early, especially if it comes after prior climbing. Use /glossary/ftp as the reference point: the opening should feel controlled enough that the 10.21% pitches do not force a panic shift or a standing grind.
A compact or climbing-oriented setup makes sense here. The average gradient does not demand extreme gearing, but the length and double-digit maximum make low cadence grinding a poor trade. You want a gear that lets you stay seated and keep cadence stable when the road ramps up, then return smoothly to tempo when it eases.
Practical approach:
- Start conservatively because 20.2 km is long enough to punish early overpacing.
- Keep effort smooth through the moderate sections rather than chasing speed.
- Save standing efforts for the steepest pitches, not for closing small gaps.
- If using power, avoid repeated spikes above sustainable climbing pace.
- If unsure of pacing, estimate your sustainable range with /tools/ftp-estimator before targeting the climb.
Colle del Ranghetto is not defined by one savage wall. It is defined by duration, vertical gain, and the need to absorb steeper ramps without breaking rhythm. Ride it like a category 1 climb from the bottom, not like a moderate hill that happens to be long.