Package Including: You will receive 5pcs black chainring bolts and a installation tool, Nut Shaft Diameter: 9.9mm. Nut Shaft Length: 4.9mm. Bolt Head Diameter: 7.7mm. Bolt Head Length: 7.6mm.
Premium 7075 Aluminum Alloy Material: These chainring bolts feature aerospace-grade 7075 aluminum construction, offering exceptional strength-to-weight ratio. The lightweight design reduces overall bike weight while maintaining structural integrity for demanding road and mountain riding conditions.
Precision CNC Machined Threading: Each single chain ring bolt undergoes computer-controlled machining. This manufacturing process ensures smooth installation and secure fitment with standard chainrings, eliminating cross-threading issues common with lower-quality alternatives.
Complete Installation Solution: Package includes specialized installation tool designed specifically for these crankset screws. The ergonomic wrench allows proper torque application without damaging bolt heads, making DIY maintenance straightforward for home mechanics and professional bike shops.
Universal Bike Compatibility: Engineered to fit most road, mountain, BMX, and MTB bikes with single chainring setups. These versatile bolts work seamlessly with popular crankset brands, providing reliable performance across different cycling disciplines and riding styles.