VGEBY1 Crank Arm Fixing Bolt Bicycle Crank Arm Crankset Bottom Bracket M1519mm Titanium Bicycle Bike BB Axis Screws-Black-

Features: HIGH QUALITY: High quality aluminum alloy, high hardness, wear resistance, corrosion resistance, anti-rust. MAIN ADVANCE: Finely crafted, colorful, light weight. Smooth surface, waterproof and dust proof, no fading and durable in using. COMPATIBLE WITH: M15*19 bottom bracket bolt with washer, suitable for MTB bike. EASY TO INSTALL: Using 10mm internal hexagonal wrench, 30-50N.M force, much conveniently. Specification: Optional color: Black, Red Material: aluminum alloy Size: M15*19 Weight: Approx. 20g Package List:  2 x Splined Bottom Bracket Bolt