SHUIYUE 4 Pcs Bicycle Crank Arm Bolts, M15 Bottom Bracket Screws,with 1 Installation Wrench, for Bicycle Spline Cranks, Bicycle Spline Bottom Brackets

• Advantages of splined axle screws：At present, many bicycles use splined axles because splined axles provide higher bite force and better rigidity. Our Crank Bolt are mainly used to fix splined axles and can firmly fix splined axles
• Easy to install：You will receive 4 M15 Bottom Bracket Screws, and we provide 1 M8 wrench, which is a special screwdriver for M15 bicycle splined axle screws, making every replacement and maintenance easy and efficient
• Improve pedaling efficiency：Our Bicycle Crank Arm Bolts reduces weight while ensuring rigidity, thereby improving the rider's pedaling efficiency and providing better performance and riding experience
• Function of bicycle spline axle screw：The main function of bicycle spline axle screw is to fix the axle, ensure the connection between the axle and the crank is firm, so as to ensure the stability and safety during riding
• Main application：M15 bicycle spline axle is often used to fix the spline axle. Whether it is a mountain bike, road bike or folding bike, our spline axle screw can be perfectly adapted to meet different models and different riding needs (please check the size before placing an order to see if it is suitable)
• High-quality materials：Our bicycle spline bottom bracket screws are made of high-quality molybdenum steel, which has excellent durability and can be used for a long time without rusting

Description: Product Name: Splined Axis Screws Material: Lo-Molybdenum Steel Quantity: 4 Size: As shown in the picture Product List: 4 x M15 Splined Axis Screws 1 x 8mm Hexagon Wrench Galvanized 8mm 1 x Plastic Box