compact chainset - short or long cage rear mech?

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e-rider

crappy member
Location
South West
assuming a 34/50 compact chainset and 12-27 cassette (105 5600 groupset)

will this work with a short cage rear mech or will it require a med/long cage?

Looking at bikes with compacts, most have short cage but some have long cage rear mechs. I guess this depends on the cassette size and the design of the rear mech.
 

ianrauk

Tattooed Beat Messiah
Location
Rides Ti2
Short cage will work fine.
 

Andy_R

Hard of hearing..I said Herd of Herring..oh FFS..
Location
County Durham
Long cages tend to be used on mountain bikes with small granny rings, to take up the slack, so no need for one on a road bike with a compact chainset.
 
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