Haibike Crank Bolt 4-square M8x1 – Panasonic, Yamaha

Universal crank bolt suitable for all eBikes with square crank or square bearing shafts.

Crank bolt 4-square

– suitable for all 4-sided crank arms
– 8mm hexagon socket screw head
– M8x1 thread
– 2 pieces in polybag

Compatibility

Suitable for all Panasonic mid-engines until 2016. Also Yamaha PW engines of the first generation. However, later these were partially exchanged for ISIS motor shafts.

Please unscrew your old crank bolt for security and check if it is indeed a square axle with corresponding M8x1 bolt.