The OTOTEC 4-pack of M10x14 bicycle crank arm bolts offers a convenient and sturdy solution for your electric bicycle or motor scooter. These premium bolts are designed to provide an excellent fit and durable performance, ensuring optimal engagement with the crank arm shaft. With their UNF M10x14 metric thread, they are compatible with various BMX, mountain bike, and e-bike crank arm models, such as the BNI (Mini-ISIS) from TCH, as well as Bosch Gen.3. Their malleable and tempered steel construction makes them highly resistant to corrosion, ensuring long-lasting service in various weather conditions. To ensure a secure and precise installation, we recommend using the OTOTEC M20 torque wrench set, providing torque values for each bolt, ensuring compatibility with various crank arm manufacturers. By investing in these high-quality bicycle crank arm bolts, you can enjoy increased performance, enhanced durability, and enhanced safety while enjoying your electric transportation.