Originally Posted by
HillRider
If it's a square taper bottom bracket, you need an M8x1.0 bolt 40 to 50 mm long to secure the bottom bracket tool, not a 10 mm. It is a fine thread since the more common 8 mm bolt is M8x1.25.
Thank your for the correction. Yes, it's an 8mm x 1.0 (fine thread).