Pack of 3 Bicycle Crank Arm Screws, M15 Crank Screws for E-Bike Bosch, Piece Bicycle Crank Arm Screws with Sealing Ring, Bottom Bracket Screws with Screw Locking, Crank Screw Bicycle

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• High-quality replacement for reliable hold: our set of 3 bicycle crank arm screws is made of stainless steel and guarantees maximum strength and corrosion resistance. The M15 crank bolts are specially designed for use on Bosch electric bike systems and provide the necessary precision and resilience to permanently and securely connect your crank arm to the bottom bracket - for worry-free riding.
• Perfect fit and easy installation: thanks to the precise M15 thread and the included sealing rings, each bicycle crank screw fits perfectly. The assembly is done quickly with a standard Allen key, no special tools required. So you can change or tighten your bottom bracket screws independently and save valuable workshop costs.
• ️ Integrated screw lock for maximum safety: these bicycle crank arm screws with sealing ring have a reliable screw locking. This prevents unwanted loosening even with the strong vibrations and loads of a powerful electric bike Bosch drive. Your crank arm always remains firmly and securely connected to the bottom bracket.
• MULTIPURPOSE FOR MAINTENANCE AND REPAIR - The M15 crank bolts are not only ideal for replacing Bosch e-bikes, but also for many other bicycle models. Whether as a pure bottom bracket screws or for securely attaching the chainring - this set of 3 is an indispensable helper for any bicycle workshop or home professional.