Ruined Ride.

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OP
OP
Slick

Slick

Guru
A cyclist with a broken chain appeared pushing his bike as we regrouped at the top of Ditchling Beacon on a forum ride.

I expect we could have mustered several chain breakers - I have one - but @ianrauk was the most organised and whipped his out first - so to speak.

The cyclist clearly knew what he was doing because he remade the chain in a couple of minutes.

Just as well he did it - both his hands were black afterwards.
Yeah, lesson learned.
 

Welsh wheels

Lycra king
Location
South Wales
Wow, that looks worse than mine. That's more as @User9609 described snagging the spokes?
It was bad, fortunately I was but a mile from home. Amazingly, that bike was repaired and is still riding today.
 

mustang1

Legendary Member
Location
London, UK
That's what's happening tomorrow. The Cannondale was serviced and lubed before being hung on the garage wall for the winter as you can't fit mud guards and doesn't have discs. I'm determined to get a few miles under my belt before going back to work on Monday so I'm going round Loch Katrine then over the Dukes Pass before heading back to Stirling with my brother. I had planned a much easier route today though.

I'm convincing myself that I need a backup bike. I'm getting closer to pulling the trigger.
 

Globalti

Legendary Member
Derailleur hangers are sacrificial and are designed to snap easily, saving the frame from damage. They are made from a brittle alloy, which work-hardens if you bend it. This means that if you drop the bike and bend the hanger slightly you can straighten it but you ought to replace it as soon as possible.

Damage caused to the chainstay by a broken-off derailleur can often be repaired.

A bike with a broken derailleur can easily be single-speeded to get you home.
 
[QUOTE 5064204, member: 9609"]I think some have sacrificial bits designed to shear off before the frame is damaged. When I done mine the hanger was well and truly jammed between the spokes and the frame was slightly bend where the deraileur bolts on, but being a steel bike I just braid it back into shape with a club hammer, not sure if this would be possible on an ally bike and a carbon frame would be land fill[/QUOTE]

I have snapped two hangers on my carbon bike and it has managed to avoid the land fill. Even if the carbon was damaged it can be repaired.

Had this happen to me a couple of years back, the dérailleur spun up and chipped the bottom of the stay on that side, that spread into a crack and carbon bike in bin was the result.

There are plenty of places that fix carbon frames pretty cheaply now. If it is done properly, it will be as good as the original design, in some cases even better.
 

Welsh wheels

Lycra king
Location
South Wales
Was it the spokes that did the damage?
I don't have a clue what happened then, tbh
 

ColinJ

Puzzle game procrastinator!
Derailleur hangers are sacrificial and are designed to snap easily, saving the frame from damage. They are made from a brittle alloy, which work-hardens if you bend it. This means that if you drop the bike and bend the hanger slightly you can straighten it but you ought to replace it as soon as possible.

Damage caused to the chainstay by a broken-off derailleur can often be repaired.

A bike with a broken derailleur can easily be single-speeded to get you home.
Perfectly illustrated in THIS INCIDENT! (The gear hanger had been bent by baggage handlers. The rider bent it back and set out with us, but it only lasted a few hours before snapping.)
 
Like to emphasise not using the levers. They serve multiple purposes: spoke wrench, and handle for the chain breaker. Apparently if you use them as tyre levers, they easily snap.
I've heard folk reporting that but I've not had that problem. For the last two-three months though I've been using separate levers as the multi tool ones are a bit of a pain to remove with gloves :-/
 
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