The left shifter on a Campag Chorus 11 speed groupset is being funny. It will shift up fine but then you can't shift down. It's like the thumb lever is stuck on something, but if you pull the brake lever slightly at the same time then it shifts down. Any ideas?
The left shifter on a Campag Chorus 11 speed groupset is being funny. It will shift up fine but then you can't shift down. It's like the thumb lever is stuck on something, but if you pull the brake lever slightly at the same time then it shifts down. Any ideas?