Simplify things with an 8mm fitting and add a splash of your favourite anodised colour. FC-E8000 (EBike).
Bike Cranks Fixing Bolt for Shimano HollowTech II Simple and Efficient
MTB M20x8mm RISK Titanium Ti Crank Arm Fixing Bolt For shimano Hollowtech II
Bike CRANK CAP / BOLT Tension Install Tool For Shimano HollowTech II 2 TL-FC16
Shimano - FCM580 Security Plate for Shimano Hollowtech II left hand crank arms.
Bottom Bracket Tool Install Spanner for Shimano Hollowtech II 2 Crankset Wrench
Bottom Bracket Threaded BSA 68-73mm For Shimano Hollowtech II BB 24mm Bearing UK
