Rear mech hanger

trohos · 2017-05-08T11:47:43+01:00

I need your lights please! Yesterday i realize that i lost the screw of the rear hanger (that who secures the hanger in the frame). The hanger is like this: https://www.paligap.cc/MEKK-Gear-Hanger-No-05-(AL-MODELS)_8501_p and the screw+nut look like these: http://soshanger.com/Nut-and-Bolt-for-derailleur-hanger-and-frame-attachment. The problem is i have found many like this but i don't know if all are the same and what exactly to ask. I contacted with the wiggle who i bought it, but they can help me. Thanks in advance.

This topic has 4 replies, 3 voices, and was last updated 9 years, 1 month ago by sergius.

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May 8, 2017 at 11:47 am #27092

trohos

I need your lights please!

Yesterday i realize that i lost the screw of the rear hanger (that who secures the hanger in the frame). The hanger is like this: https://www.paligap.cc/MEKK-Gear-Hanger-No-05-(AL-MODELS)_8501_p and the screw+nut look like these: http://soshanger.com/Nut-and-Bolt-for-derailleur-hanger-and-frame-attachment. The problem is i have found many like this but i don’t know if all are the same and what exactly to ask. I contacted with the wiggle who i bought it, but they can help me.

Thanks in advance.
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May 8, 2017 at 4:08 pm #892665
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sergius

That happened to my Rose,

That happened to my Rose, Rose were more than happy to sell me a new hanger plus fittings – but weren’t able to confirm what sort of machine screw it was (at least on both of my bikes the rear hangers are fitted with “M” screws).

I popped into my LBS and the workshop had hundreds of spare lying around, I did a quick comparison against the remaining screw and they gave me an appropriate screw. I had looked around online, but it’s fairly hard to buy them in small quantities from my limited experience – certainly a problem if you aren’t sure exactly what sort you need. Likewise B&Q didn’t have the right ones available either.

As I understand it there are three dimensions to machine screws; width, length and thread spacing (whatever the correct term for this is), so it’s fairly easy to buy the wrong thing.

May 8, 2017 at 3:36 pm #892663
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peted76

I’m sorry I don’t know. Again

I’m sorry I don’t know. Again my advice is to give your LBS a call or drop in, this is the sort of knowledge which they’ll know straight away and probably stock too.

May 8, 2017 at 2:40 pm #892661
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trohos

I have a feedback from wiggle

I have a feedback from wiggle that says “you can use a standard chainring bolt” but what size (length)? i saw 5mm, 8mm, 13mm chainring bolts.

May 8, 2017 at 2:22 pm #892659
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peted76

I don’t know, BUT I’d imagine

I don’t know, BUT I’d imagine that these are all of a standard. For a quid I think you can risk it.

However it’ll be quicker and nicer to nip down to your LBS or bike mechanic who will have these knocking about.
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