Broken bike bits
Some bike failures
Repairs while riding
Chain wear measuring tools
Center-clamp cranks
Side-pull brakes
Crank bearings
Broken bits from Open University
V-brakes
Broken bike bits
from
Gerritsen & Meijers, Ingenieurs
(aka "m-gineeering").
Pictures
from
The Yellow Jersey
including many broken bike bits.
Positech brake.
Failed part pictures courtesey Mark Bulgier.
Failed Spinergy 4-spoke and 5-spoke wheels.
Gipiemme Colrut Crank
UCI Wheel Testing
SunTour Superbe Pro brake CB-3600 bearing failures
Historical hub designs that have disappeared.
Topolino spokes.
Freehub cassette lockring tools.
Pontoon cleats jam in some SPD pedals.