Why? I have sora equipped bike with TT bars and friction shifter on the bars for right shifting only - left is sora sti - In order to convert to 10 spd I have swapped sora parts for 10spd chain,10 spd chainrings, 10spd cassette, 105 rear mech but sora front mech - front shifting is poor - so can I swap the sora front mech for a 105 and use my left sora shifter or will I need to get the 105 front mech and use friction shifter for front mech as well. Bike is used for TT Training...
Blake
Can I use a left sora shifter with 105 front mech?
Moderator: robbosmans
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