Broken Bike Bits
See also also bike pic
for other bike-related technical discussions and more failed parts.
Axle —
Bottom Bracket —
Brake —
Cable, Housing, and Stop —
Chain —
Chainring —
Clamps & Brackets —
Crank —
Fork —
Frame —
Handlebar —
Headset —
Hub —
Nipple —
Pedal —
Rim —
Seat —
Seatpost —
Spoke —
Sprocket —
Stem —
Wheel —
- From the collection of Ric Hjertberg.
- Welded tubular steel failure, Bullseye
- Welded steel failure, Tioga Revolver
- Split along square taper, Campagnolo
- Non-failed Sweet Wings crank
- Carbon crank fails parallel to chain line, Colnago
- Vintage crank failures, aluminum Campagnolo
- Failure away from features, Dura-Ace
- Race Face arm failure away from features
- Failure at pedal eye, newer Campagnolo Super Record
- Crack at spider/arm transition, Cannondale Coda ``Magic''
- Arm failure at pedal eye, older Campagnolo
- Arm failure at pedal eye,
older Shimano Dura-Ace, replacement with Jobst Brandt collet
- Arm failure at square taper, late 1990's Topline
- Square taper failure, Grafton Joystix
- Separation at glue line, hollow CODA/Magic
- Middle of arm, Campagnolo c. 2002
- Hollow crank failure at end of hollow section
- Pedal eye failure despite use of pedal
washer, Specialites T.A. Pro 5 vis.
- Arm failure at square taper, Topline
- Arm failure at end of
groove, partial failure both arm/spider transitions; 1970's
Campagnolo
- Failed Sweet Wings spider
- 1970's crank failures: T.A., Stronglight, 2x Campagnolo.
- CODA Magic hollow crank separation at glue line
- Tubular steel crank failure at pedal eye, Bullseye
- Two crank failures,
one rider: Race Face Isis Turbine LP,
Race Face Next LP
- Crank failure,
C-section arm
- Crank failure, hollow arm
- Crank failure, left-side square taper, away from crank
- Crank failure, at pedal eye
- Truvative Stylo Team, near spider
- Failure at spider/crank transition
- Presumed failure at spider/crank transition
- Bontrager aluminum crank failure in rounded section
- Failures of three "vintage" cranks of unknown history
- Campagnolo "Grand Sport" failed near pedal eye
- T.A. crank failed on vanity groove near spindle
- Bontrager crank failed on vanity groove
- Campagnolo crank failure at pedal eye
- Four crank failures for one rider
- Crank fails mid-section
- Hollow Dura-Ace fails mid-section
- Cast SR fails at lettering in vanity groove
- Truvative Elita crank separates from spindle
- Shimano Dura-Ace 7900 spindle failure, possibly after bearing failure.
- Shimano/SRM spindle failure along "vanity ridge"
- Shimano XT crank axle snapped
- Shimano XT crank axle torn
- Shimano Hone crank axle torn
- Shimano SLX crank arm failed
- Shimano Deore pedal eye stripped
- Shimano Deore spindle split
- Shimano Ultegra crank, mid-section
- Anodized no-brand crank, at pedal eye
- Sugino XD crank failure on "vanity ridge"
- Down tube buckles at center while braking
- Failure at weld
- Failure in a crash
- Failure long
seatpost/short insertion
- Seat stay failure, steel frame
- Dropout/stay failure, steel frame
- Dropout/stay failure, aluminum frame
- Four dropout/stay failures,
one rider, steel frames
- Dropout failure, aluminum frame
- Seat tube/bottom bracket
failure, steel frame.
- Dropout failure, steel frame;
seat tube/bottom bracket failure, aluminum frame.
- Bottom bracket seat/down
tube failure, titainum frame.
- Down tube failure near
head tube, steel frame.
- Removable derailleur hangar
failure.
- Head tube separation
after a crash.
- Swingarm separation at weld
- Frame break at dropout, then bottom bracket
- Right chainstay failed at dropout, aluminum frame
- Plastic reflector pierces carbon-fiber frame's chainstay
- Left dropout failures with 700C wheels, Rohloff Speedub, and disk brakes
- Left eyelet broke --
off, probably from bent rack
- Titanium frame fails at bottom bracket and chainstay
- Erickson tandem fails at right rear dropout
- Seat tube break at bottom bracket –Ritchey Break-Away
- Seat lug break at top tube –Torelli/Alan
- Seat Tube Rust-Through and Crack
- Head and down tube failures after a crash — BMC
- Steel frame fails at seat tube/bottom bracket junction
- Titanium frame fails at seat/top tube junction
- Lynskey Ridgeline 29SL fails at seat cluster
- Assorted frame failures
- Redline Conquest fails at seat tube/bottom bracket junction
- Aluminum frame rust-through
- Multiple frame failures, one rider
- Frame Rust-Through — Ritchey Annapurna
- Steel Frame Break At Seat Cluster
- Steel Frame Break At Top Head Tube Lug
- Flange failure, radial lacing
- Flange failure, radial lacing -- Tune
- Flange failure, radial lacing — SunTour Superbe
- Flange failure, radial and 2-cross laced Tune hubs
- Flange failures, straight-pull spokes
- Freehub failure, Mavic Ksyrium
- Flange failure at bearing, Nuke-Proof
- Chris King ISO at dropout
- Phil Wood ratchet ring
- Shimano XT 775 ratchet
- Flange failure, World Class 48H
- Flange failure, DT Swiss
- Flange failures, 2x Rohloff Speedhub 500/14.
- Flange failures, Rohloff Speedhubs — 500/14.
- Flange failure, Sturmey-Archer 1950's(?) aluminum shell
- Shimano Cassette Hub Flange Failure — Undercut Support