Before the hill ends, can the bike stop?

Simplified constant-deceleration physics only. Protective gear does not change stopping distance but can reduce injury severity. This is not route, equipment, medical, or legal safety advice.

SPEED · REACTION · DOWNHILL GRADE · BRAKING · RUNOUT · RESIDUAL SPEED · SURFACE AND EQUIPMENT STILL MATTER ·
KM/H
S
M/S²
%
M

Assumes constant braking after reaction and no steering intervention.

Reaction first.
Braking second.

ENGINES NOT RUN

—EFFECTIVE DECELERATION
—REACTION DISTANCE
—TOTAL STOP DISTANCE
—RESIDUAL AT RUNOUT

GRADE SENSITIVITY

——

NO STOP CALCULATED

A helmet cannot shorten the runout. It also does not make an avoidable impact acceptable.

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