Genuine Shimano SPD Pedal Axle Removal Bike Tools Grey TL-PD40. This tool is designed for the installation and removal of Shimano pedal axle units with 10-tooth plastic lock bolts. It is suitable for many older and mid to low-level Shimano pedals such as PD-M737, M525, A525, 1056, 6402, and 7410. The tool is made from glass-reinforced resin and is grey in color. It requires a 36mm wrench drive for operation. This handy tool removes the locking collar from Shimano SPD pedals and its plastic construction ensures that you cannot damage or over-tighten the spindle locknut.