cyclocross rear mech

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watersj

New Member
Hi everybody Did my first season last yr at cross loved every minuite, changed my frame for next yr with a columbus. Had one problem last yr which was my rear mech, running a 11-32 cassette with a short tiagra mech and 48/36 chain set. roblem is the top pully wheel on rear mech keeps hitting the rear mech . Will this problem be solved ifI get a long mech or do I need a mtb long cage rear mech. Please help as I am waitng to finish it of.
Cheers Justin.
 

RedBike

New Member
Location
Beside the road
You need a MTB rear mech.
As far as I know a Tiagra rear mech isn't designed to cope with anything over 27teeth.
 
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