Frame crack?

Discuss light weight issues concerning mountain bikes & parts.

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nikosthom
Posts: 19
Joined: Tue Jun 23, 2015 7:34 pm

by nikosthom

Hellow i was cleaning my mtb and i discovered this scary thing.It is in the mount of the shock to the seat tube.Looks like a crack.I inspected the inside of the seattube with a light but it looked ok.The frame is aluminium 10+years old.Is this repairable or it time for replace?ImageImage

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scant
Posts: 243
Joined: Fri Apr 30, 2004 2:05 pm
Location: S.Wales UK

by scant

alu needs heat treating after a repair. that said it could just be the lacquer. use a tiny amount of paint stripper to remove the paint in that area. dont scrape the paint away with anything metal. if there is a crack, it;ll be a lot more visible once the paint is removed.

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