mattyd1 Posted April 19, 2011 Report Share Posted April 19, 2011 (edited) hi people just wondering if anyone can tell me what these do http://www.tartybikes.co.uk/derailleur_hangers/mech_hanger_1_k_type/c66p71.html as i am just interested what they are used for thanks matty Edited April 19, 2011 by mattyd1 Quote Link to comment Share on other sites More sharing options...
Revolver Posted April 19, 2011 Report Share Posted April 19, 2011 (edited) On a vertical dropout frame, it screws to the frame at the dropout so it provides a sacrificial piece you can hang your derallieur or tensioner from, hence its name. Things hung from it are frequently caught when failing moves, which can cause breaking. If it was built into your frame, breaking it would break your dropout, which is the end of your frame. Breaking a seperate hanger is the end of that spare mech hanger you keep in your bag to bail you out if this happens. Edited April 19, 2011 by Revolver Quote Link to comment Share on other sites More sharing options...
Miles Mallinson Posted April 19, 2011 Report Share Posted April 19, 2011 This should be in the new members chat. They are for mounting chain tensioners on trials bike or derailleurs for mountain bikes. Its made out of weaker metal than your frame so that snaps before your frame if you knock it. Quote Link to comment Share on other sites More sharing options...
mattyd1 Posted April 19, 2011 Author Report Share Posted April 19, 2011 can you hang any sprung chain tensioner from it ?? Quote Link to comment Share on other sites More sharing options...
Revolver Posted April 19, 2011 Report Share Posted April 19, 2011 Yes. Quote Link to comment Share on other sites More sharing options...
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