Review on Thread Kits 1221 M1010 Repair Kit by Seth Damain

I also bought this set to replace the standard Cannondale left-hand hairspring. I have used this tool in conjunction with genuine Cannondale coils which I purchased separately. I figured there might be slight differences as I had previously tried branded helix coils with no success (their OD seems larger). tap if your threads are intact. Overall, this tool made the process easier if you use the blue pre-roller properly.